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Phases and Motions of the Moon 

Launch Pad Astronomy
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We take a look at how the Moon appears to go through phases over the course of about a month. Portions of this video were made possible through the use of Stellarium (www.stellarium.org/) and animations from NASA's Science Vizualization Studio (svs.gsfc.nasa.gov/)
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Watch next: Solar Orbiter Discovers Surprising new Phenomenon in the Sun
• Solar Orbiter Discover...
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15 фев 2018

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Комментарии : 294   
@roypeaslee1305
@roypeaslee1305 Год назад
The appearance and disappearance of the moon has boggled my mind for years and in just 15 minutes you have clarified for me everything about the phases of the moon. Thank you.
@ShineMetallicaDown
@ShineMetallicaDown 4 года назад
This is mind-blowing! Thank you for this presentation. I am watching it over and over again.
@XloH911
@XloH911 7 месяцев назад
Wow this is an incredible video. Thank you so much for explaining and visualising all the phases, especially the synodic vs sidereal.
@azevedojeff
@azevedojeff 3 года назад
This seriously deserves an award. Many thanks sir.
@LaunchPadAstronomy
@LaunchPadAstronomy 3 года назад
Thank you!
@lf8994
@lf8994 2 года назад
Another award from Greece 🙏🙏
@Pianist7137Gaming
@Pianist7137Gaming Год назад
That actual footage is priceless educational material! Was just curious about phases of the moon and searched it up, there is no clearer explanation out there! I like how at such a high speed timelapse it ACTUALLY looks like we're spinning instead of the sun going around the earth😂
@shannonestep5506
@shannonestep5506 6 месяцев назад
The visual storytelling in this video was truly exceptional. The attention to detail in showcasing the transitions from the waxing crescent to the full moon and then to the waning crescent was simply breathtaking.
@stevevonrock2416
@stevevonrock2416 2 года назад
awesome video, i will have to save and watch a few more times to get a full grip on your explanation. well done .thanks for some quality education
@WillDanceAlone2U
@WillDanceAlone2U Месяц назад
You did a fantastic job explaining something I have always wanted to understand. Thank you so very much!!!
@MarkCoatesKwadrin
@MarkCoatesKwadrin 5 месяцев назад
Wonderful, thank you. Really helped our daughter ahead of a test later in the week.
@ahotdj07
@ahotdj07 8 месяцев назад
This video was so helpful in understanding the moon phases. Excellent work.
@user-be5jr3cx8r
@user-be5jr3cx8r 3 месяца назад
This was an excellent video showing and explaining the phases of the moon and what we are seeing...thank you for this content!❤
@everyonesview
@everyonesview 5 дней назад
Awesome! Thank you for the time and effort put into this.
@devildoc492
@devildoc492 5 месяцев назад
Excellent...thank you for making this process easier to understand.!!
@williamramey1959
@williamramey1959 Год назад
A great explanation of the movement of our bright and wonderful Moon. I tell people that if you were on the Moon, you would see a "night and day" (one axial rotation) on the Moon in about 27.3 Earth days, whereas on Earth, a "night and day" (one axial rotation) is within 24 hours. Thank you again for your clear explanations.
@33goldengirl
@33goldengirl 3 года назад
This video is amazing! Thank you so much!
@dmbsaxboyz
@dmbsaxboyz 3 года назад
Exactly what I was hoping to find!
@trishka1966
@trishka1966 4 года назад
I’m in love with this video! Thank you for your clear and full explanation AND the great models and videos of the sun and moon. I understand so much more!
@LaunchPadAstronomy
@LaunchPadAstronomy 4 года назад
I'm so happy you enjoyed it, and thank you for the kind comment!
@MyChoiceTV_tv
@MyChoiceTV_tv 10 месяцев назад
Wow!!! I have been curious and watched a lot of documentation but did not how moon revolve nor rotate around the earth but this explained it more and more for ...kudos bro. I commend you.. Thanks so much I got a better understanding of it now...
@teeyox
@teeyox 2 года назад
very clear explanation, thanks for the video!
@YuikoYui
@YuikoYui 3 года назад
the sun-set was so pretty and all this info is really good for my class its cool and fun to watch.
@LaunchPadAstronomy
@LaunchPadAstronomy 3 года назад
Thanks, I’m glad you found it helpful.
@abdullahalmosalami2373
@abdullahalmosalami2373 3 месяца назад
Extremely helpful visualizations. Wonderful talk. Thank you sir!
@crockerrange147
@crockerrange147 2 года назад
Many thanks, very helpful to understand the phases of the Moon
@HenryLascelles
@HenryLascelles 3 года назад
FINALLY I fully understand! Now I see why I only observe crescent moons near the horizon at night and why the moon is often visible in the day. Awesome, thanks!!!
@LaunchPadAstronomy
@LaunchPadAstronomy 3 года назад
Excellent, I'm glad it helped!
@whatabouttheearth
@whatabouttheearth 4 месяца назад
6/12/6/12 .........Midnight 18/6pm 🜨 06/6am .............Noon (Give or take 3 hrs) 1: Rise 2: Zenith 3: Set New moon 🌑 3🜨1 .. 2 Waxing quarter 🌓D ...3 2🜨 ...1 Full moon 🌕 ...2 1🜨3 Waning quarter 🌗C 1 🜨2 3
@raoulantheunis9179
@raoulantheunis9179 4 месяца назад
you explained it very simply and clearly, thanks
@eenayeah
@eenayeah 10 месяцев назад
Excellent video!! Brilliant explanation! Thank you!
@janmangu399
@janmangu399 2 месяца назад
Thank you so much for your work. This question was bugging me for a week now how moon transition between phases and you explained it nicely with animations.
@zack_120
@zack_120 2 года назад
The best demonstration of moon phases graphically 👍👍 By the way, it is this simple, roughly: the 1st half of the lunar cycle is when the moon chases the sun (closer and closer), whereas the 2nd half is the opposite: the sun chases the moon. When the sun catch up the moon, then a new cycle begins ... Wondering how it is different millions of years ago.
@diganta2329
@diganta2329 5 месяцев назад
Excellent demonstration!
@mauricio9226
@mauricio9226 Месяц назад
Great video, it's more than I expected 👏💯
@-o-1793
@-o-1793 Год назад
This is what I call quality content. "No Gibberish", "No none sense word play to sound smart" but approaching the entire situation with careful analytical perspective and dissecting it properly. Superb !!!
@WillDanceAlone2U
@WillDanceAlone2U Месяц назад
You should get an award for this!
@jagadeeshpadi1482
@jagadeeshpadi1482 4 года назад
Such a nice presentation.... Keep posting these kind of informative stuff.....Thank you!!
@LaunchPadAstronomy
@LaunchPadAstronomy 4 года назад
Thanks!
@Mesa3077Boogie
@Mesa3077Boogie 2 года назад
The best most understandable demonstration yet! Thanks
@esminson
@esminson 4 месяца назад
Thank you. I’ve never seen this so clearly. Sort of blew my mind I didn’t know this. 😞😊
@devp2008
@devp2008 Год назад
Wonderful ! Very educational for both adults and kids :) thank you 🙏 ❤
@XanderBudnick
@XanderBudnick 2 года назад
Thank you. This was so helpful and exactly what I was looking for
@khadijadhroliashakir1863
@khadijadhroliashakir1863 3 месяца назад
Amazing explanation of the topic 👍
@freemanbill4851
@freemanbill4851 3 года назад
it is cartwheeling clockwise in the N Hemi
@amunyemme
@amunyemme 3 года назад
💯💯
@whatabouttheearth
@whatabouttheearth 4 месяца назад
It's moving counter clockwise to everyone on earth, it's only because of earths rotation towards the east that makes it seem like it is moving from east to west.
@alejandrobernalperdomo9118
@alejandrobernalperdomo9118 4 года назад
That was a really good explanation about the phases of the moon, i didn’t know we always look at the same side of the moon. So that was something new, the use of the animations were so good to understand better what’s is really going on, thank you sr, and it could be a nice theme of conversation. Keep doing well.
@luisa.torres8333
@luisa.torres8333 3 года назад
Dude where were you at not knowing the moon was always facing one side?
@yogeshkapila1179
@yogeshkapila1179 3 года назад
A superb video! Thank you so much for putting it through :)
@navneet3650
@navneet3650 4 года назад
one of the best videos/explanations available online, too less views and likes for such a great quality video!
@davidhaupt1
@davidhaupt1 4 года назад
navneet Kumar I totally agree with you
@stewie_
@stewie_ 2 года назад
Amazing explained. I suppose the waxing and waning angle is influenced by seasons.
@jandunn169
@jandunn169 6 месяцев назад
Wow finally someone, YOU, explained this with images so I can understand what is actually going on. I am very curious what differences there are in the Southern hemisphere and how the light of the moon at different phases may or may not affect the growth of plants.
@MariaMartinez-researcher
@MariaMartinez-researcher Месяц назад
Greetings. Chilean here. I cannot tell anything about plants, but the Moon phases here are both the same and different. They are the same as they happen in the exact same way and at the exact same time, but they look different. You see the phases in this order: 🌑🌒🌓🌕🌗🌘🌑 Whereas we see them like this: 🌑🌘🌗🌕🌓🌒🌑 Because we see the Moon from the other side. We both watch the Sun and the Moon rising in the East and setting in the West. But you look to the South to see them, and watch them going from left to right. We look to the North, and watch them going from right to left. Thinking tridimensionally is hard! 😄
@chryscollins5933
@chryscollins5933 3 года назад
Oh my god this video is so freakin good
@LaunchPadAstronomy
@LaunchPadAstronomy 3 года назад
Glad you enjoyed it!
@jimmyispromo
@jimmyispromo 3 месяца назад
Finally! The answers i was looking for
@sandyk3128
@sandyk3128 Год назад
Excellent presentation
@awwalborodo9062
@awwalborodo9062 9 месяцев назад
Superb and educating video
@igreeuropa
@igreeuropa Год назад
i love learning about moon
@daviamurray
@daviamurray 2 года назад
Very informative thank you!
@LaunchPadAstronomy
@LaunchPadAstronomy 2 года назад
Glad you found it helpful!
@user-cl7gn8th7x
@user-cl7gn8th7x Год назад
Thanks for your help and support for the best way to get the best way
@user-cl7gn8th7x
@user-cl7gn8th7x Год назад
Thanks again
@Dm5messerly
@Dm5messerly Год назад
Amazing video!
@user-jm8no6fl6s
@user-jm8no6fl6s Год назад
Nice explanation
@MA4TU2
@MA4TU2 3 года назад
Great teacher!
@LaunchPadAstronomy
@LaunchPadAstronomy 3 года назад
Wow, thank you!
@Azn_flame
@Azn_flame 2 года назад
Hello there! I have a quick question, im making a video for a school project and i want to use a clip from your video. I won't post this video on youtube or anything like that and i will give you full credit, would this be ok?
@bradjolly7078
@bradjolly7078 3 года назад
I’m 44 years old and as I saw the crescent moon tonight I began to question again what I thought I understood as to why the moon has its phases. Thank you for your video as it has clarified a lot for me.
@sahibabegum8464
@sahibabegum8464 Год назад
Soooo fascinating
@nasirabbasj
@nasirabbasj 3 года назад
Excellent
@petegriffin8149
@petegriffin8149 Год назад
I thought the graphics/animate models you used very helpful and easy to follow. This all helps make astronomy fun and easily digested, which is paramount to making folks realise that EVERYONE is or can be excited about space and astronomy..👍😃👍
@antares3097
@antares3097 7 месяцев назад
...👍 ' great video.
@theultimatefactchannel6444
@theultimatefactchannel6444 2 года назад
this really needed for my school project im from allen
@lindayu6585
@lindayu6585 Год назад
This video should be used in science classes. Awesome job!
@chaybag
@chaybag 2 года назад
Can anyone explain to me at 13:53 before sunrise why the dark side of the moon is in the bottom right. Shouldn’t it be in the top right as the sun is still under the horizon. I noticed the exact same thing this morning before sunrise. Same question at 12:38. Seems the dark side of the moon is not where it should be based on where the sun is?
@sailorman8668
@sailorman8668 Год назад
And clearly, your interpretation of what you're observing is wrong.
@whatabouttheearth
@whatabouttheearth 4 месяца назад
Because it's a waning gibbous after full moon. Remember xDOCx, x is new moon, waxing quarter is a D 🌓, waning quarter is a C 🌗 which before hand is 🌖 and before that is 🌕. Because the sunny side is shifting away from our view. x D O C x 🌑 🌓 🌕 🌗 🌑 So what you're referring to is the first one to the right of the full moon here: 🌑🌒🌓🌔🌕🌖🌗🌘🌑 🌑 🌒 🌓 🌔 🌕 🌖 🌗 🌘 🌑 Full moon sets around sunrise and rises around sunset. 6/12/6/12 .........Midnight 18/6pm 🜨 06/6am .............Noon (Give or take 3 hrs) 1: Rise 2: Zenith 3: Set New moon 🌑 3🜨1 .. 2 Waxing quarter 🌓D ...3 2🜨 ...1 Full moon 🌕 ...2 1🜨3 Waning quarter 🌗C 1 🜨2 3
@rdlv3385
@rdlv3385 Год назад
Great Video!
@LaunchPadAstronomy
@LaunchPadAstronomy Год назад
Thanks!
@urgarbagekid9589
@urgarbagekid9589 4 года назад
there are near and far sides of the moon, the near sides have dark spots on the moon while the far sides have highland regions the moon also has a synchronus rotation the far side is hidden from our view from earth we can also only see a portion of the moon. Moon phases depend on where the moon is with respect to the sun in space. The moon takes about a month to orbit the Earth. Although the moon rises in the east and sets in the west each day (due to Earth’s spin), it’s also moving on the sky’s dome each day due to its own motion in orbit around Earth. The moon’s orbital motion is toward the east. Each day, as the moon moves another 12 to 13 degrees toward the east on the sky’s dome, Earth has to rotate a little longer to bring you around to where the moon is in space.
@sailorman8668
@sailorman8668 Год назад
If a half moon should actually be referred to as a 'quarter moon', then why isn't a full moon actually referred to as a 'half moon'?
@clightning300mi
@clightning300mi Год назад
To confuse the sheeple
@michael.forkert
@michael.forkert 10 месяцев назад
@@clightning300mi_Exactly!_
@michael.forkert
@michael.forkert 10 месяцев назад
@@clightning300mi _the only living being affected by man made pseudoscientific laws is mankind itself._ _nature doesn’t bother herself with perverted man made theories about the phases of the moon, and everything else._ _nature simply ignores all those pseudoscientific self anointed intellectuals, and continues her path as it always has been, and as it always will be._
@sailorman8668
@sailorman8668 8 месяцев назад
@@michael.forkert Speaking of gullible 'sheeple', that would be all these naive and easily fooled flat earth believing clowns, right?
@kombuchakorral1575
@kombuchakorral1575 2 дня назад
Things that make you go hmm....
@yuyo350
@yuyo350 4 года назад
Well done. You just did a great job at teaching there, really appreciate it. Thanks, I'm kind of mind blown right now...
@LaunchPadAstronomy
@LaunchPadAstronomy 4 года назад
Thanks!
@Babayaga-pf5dt
@Babayaga-pf5dt 5 месяцев назад
The best. ‘Nuff said.
@davidhaupt1
@davidhaupt1 4 года назад
Excellent illustration and easily understood. Very informative
@LaunchPadAstronomy
@LaunchPadAstronomy 4 года назад
Thank you!
@ShortsStockton
@ShortsStockton 3 года назад
Hometown of Baltimore 🔥🔥🔥
@Mr45Rabbit
@Mr45Rabbit 4 года назад
Oooooooo good job I need this for meh exam tom and u good at explaining at this and Tysm :>
@robertjan002
@robertjan002 4 месяца назад
Is “light gradually be added to the face of the moon” or do we just see “snapshots” without a gradual increase of light area?
@ikarishinjifrfr
@ikarishinjifrfr 2 года назад
thanks for letting me know i had to figure why the moon does that and in animal crossing the moon does that
@Jimmy_Johns
@Jimmy_Johns 2 месяца назад
You have finally solved a question I had since I was a kid: Why sometimes can I see the moon during the day? My parents used to say that it was just an ilusion haha that the light somehow bounced or something 😂 Thank you so much!
@sailorman8668
@sailorman8668 Месяц назад
Isn't it amazing how many people have ignorant fools for parents.
@adfr909
@adfr909 11 месяцев назад
Makes it very clear why we see only one side.
@the3brownis
@the3brownis 3 года назад
brilliant explanation along with nice graphics/footage for visualisation!
@kanchankumari540
@kanchankumari540 3 года назад
One of the best knowledgeable video... I have ever seen...Thanks a lot for making this and try to make another also related universe system...please
@KDCMK22
@KDCMK22 2 года назад
Anyone noticed over the course of a month the dark "pac man" shape on the moon actually faces the opposite way?
@swhitham
@swhitham 2 года назад
Yes!!! unfortunately, he doesn't address this though.
@charlesgagne8638
@charlesgagne8638 2 года назад
Shalom! Thanks for the video...
@DenaTheDoula
@DenaTheDoula 2 года назад
At about 4 minutes into the video, you show two sets of moons; one set small inside and one larger set out the outside. The inside set are highlighted with yellow. What does this set represent? It is confusing to me. Thanks!
@LaunchPadAstronomy
@LaunchPadAstronomy 2 года назад
The inside set shows how the far side (which I colored gold) always faces away from Earth while the near side (which I left uncolored) always faces Earth at all times in its orbit. The outer set shows the phases of the Moon as seen from Earth.
@rochellesumeray4213
@rochellesumeray4213 3 года назад
Thank you for this wonderful video presentation which took some designing. Fab.
@mason7028
@mason7028 3 года назад
I still cant figure out why you put East at left and West at the right?
@LaunchPadAstronomy
@LaunchPadAstronomy 3 года назад
Yeah, it's a little confusing at first, but try this out: Go outside and face south. North is behind you, East is to your left and West is to your right. Now look up at the sky. Which way is East?
@mason7028
@mason7028 3 года назад
@@LaunchPadAstronomy makes sense, thanks for your reply.
@whatabouttheearth
@whatabouttheearth 4 месяца назад
Because in the northern hemisphere the ecliptic, and so therefore the sun, is always more south, especially in the winter when the north pole is titled away from the sun (so therefore the ecliptic and sun is lower on thr north hemisphere horizon). Look for Orions feet to find south. Facing south, west is right and east is left.
@abhisheksingh-yp7zh
@abhisheksingh-yp7zh 4 года назад
Really great sir
@CarsynKimrey
@CarsynKimrey 3 года назад
This helps whit my school thanks
@LaunchPadAstronomy
@LaunchPadAstronomy 3 года назад
cool.
@user-xb1eb9ji8t
@user-xb1eb9ji8t 5 месяцев назад
If I was standing on the moon would it be true that during the 27.3 day orbit around the earth i would be in almost complete darkness for approximately 6.8 days and in almost complete light for the same time for each of the orbits around earth
@mrsargemeister
@mrsargemeister 3 месяца назад
Can someone kindly explain how is it that the earth does not block the moon from being illuminated on the full moon phase? On the illustrations it appears that the moon should be in Earth's shadow during the full moon phase. Thanks for your help!
@kitcanyon658
@kitcanyon658 2 месяца назад
Because the moons orbital plane is tilted about 5degrees.
@jurikurthambarskjelfir3533
@jurikurthambarskjelfir3533 2 года назад
The ancients used a lunisolar calendar. Whenever the full moon ended, a new month began. As I type this, the moon is no longer full, and December has ended in the lunarsolar calendar.
@user-be5jr3cx8r
@user-be5jr3cx8r 3 месяца назад
So what I'm seeing is there as an eclipse once a month during the new moon phase
@kitcanyon658
@kitcanyon658 2 месяца назад
No because the plane of the moons orbit is tilted. That’s why we don’t have an eclipse every month.
@scottfillius6979
@scottfillius6979 4 года назад
Thanks I need this for my test that’s tomorrow
@SaTaN-666-6
@SaTaN-666-6 Год назад
Bro same :D
@johnbremner4154
@johnbremner4154 3 года назад
Best explanation I’ve seen. But explain, please, why the full moon bring the highest tide? Because we know that the moon is always there, even when it’s got phases that we see, so it’s not as if the gravitational force on the seas changes.
@LaunchPadAstronomy
@LaunchPadAstronomy 3 года назад
Thanks! The tides are strongest at both full and new phases because the Sun's tidal forces add to the Moon's. I talk about that in a little more detail here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-1DqsvRrzL-c.html
@johnbremner4154
@johnbremner4154 3 года назад
@@LaunchPadAstronomy Thanks a lot for that. It’s something I’ve never understood and no other astronomers have been able or willing to attempt an answer...
@mateovera2831
@mateovera2831 4 года назад
In this video I learned that we only can see one side of the Moon from Earth. Also the near side is darker then the far side. I didn't know the same side of the moon faces the Earth the entire time it rotates. The illustration helped me have a better understanding of the Moon rotating around Earth.
@clightning300mi
@clightning300mi Год назад
Why do we see the crescent moon in the darkness. Why do we see the full moon during the daytime
@MariaMartinez-researcher
@MariaMartinez-researcher Месяц назад
We see both crescent and waning moon both during daytime *and* night, at different hours and in different days of the month, depending on its phase. We *never* see the full moon during daytime. Only for a short time, when the Sun is just set, there is still some sunset light and the Moon is rising, only then you could say you see the Moon when still is daytime - but it is sunset, no broad daylight. If you see the Moon during daytime, look carefully, you'll see it is not full. Just wait until sunset, and you'll realize it is not actually full, but crescent. The Moon cannot change its phase in the course of a few hours. Watch the Moon every day and every night. The explanation in this video is correct, but accelerated. Everything that here takes seconds, in reality it takes days.
@stanleynaing3478
@stanleynaing3478 3 года назад
Wow best documentary video that ever seen and thanks for he good work........
@angeepogosian934
@angeepogosian934 4 года назад
So helpful! Thank you so much!
@LaunchPadAstronomy
@LaunchPadAstronomy 4 года назад
My pleasure!
@richardhowe4140
@richardhowe4140 3 года назад
I don't get it..I am going to try and find another video that I can understand..I know the moon completes some kind of 23 year cycle then another cycle every hundreds of thousands of years..
@clightning300mi
@clightning300mi Год назад
Why is the new moon invisible when we see the thin crescent . Earth should reflect off of the moon?
@whatabouttheearth
@whatabouttheearth 4 месяца назад
What? How can earth reflect it's shadow towards the sun if the sun is what casts the light? On a new moon/dark moon, the moon is in between the earth and sun. On a waxing crescent 🌒 (like a letter D. If x is new moon it goes xDOCx, so remember DOC), the moon slightly shifted so some of the sun light now shines on the part we see. It's still generally between us and the sun until it's at a 90° angle on quarter/half moons (hence neap tides). The earth shadow gets casted in the opposite direction of the sun, not towards the sun
@katelynn2002
@katelynn2002 4 года назад
During the phases of the moon we only see the same side which is the near side. The near side has dark spots and regions known as moiré and the far side is dominated with Highland regions. The rotation. Is exactly equal to its orbital period called Synchronous Rotation. When adding sunlight to the moon it’s called waxing (waxing crescent, first quarter and waxing gibbous). When removing sunlight from the moon it’s called waning (waning gibbous, third quarter and waning crescent). It takes about a “month” to orbit completely. A Sidereal month is 27.3 days and is one Full revolution with respect to the fixed stars. A Synodic (Solar) month is 29.5 days and is one form revolution with respect to the sun to return to the same phase. *This is my homework for my science class! *
@LaunchPadAstronomy
@LaunchPadAstronomy 4 года назад
Katelynn it looks like you did very well :)
@LAPCoins
@LAPCoins 3 года назад
GREAT video very helpful
@Peterpan2355
@Peterpan2355 Год назад
At first you show the Moon traveling the opposite to the stars and the Sun, then later on they all travel the same way. I find it very confusing.
@fortun8diamond
@fortun8diamond 3 года назад
Great demo. Misconceptions on the moon's tilt angle: from the hemispheres, the moon appears to be facing right or left when it is highest in the sky. Near the horizon, it seems to be facing towards the western horizon during waxing phases and towards the eastern horizon during the waning. At the equator, it doesn't; really matter the moon angle, just know that the lit side faces towards the sun, and facing the horizon depending on how close the moon is to the sun.
@izzzzzz6
@izzzzzz6 Год назад
If a half moon is actually 1/4 then we should call a full moon a half moon!
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