Telescopes: Crash Course Astronomy #6

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Today Phil explains how telescopes work and offers up some astronomical shopping advice.
Check out the Crash Course Astronomy solar system poster here: store.dftba.com/products/crash...
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Chapters:
Introduction 00:00
How do Telescopes Work? 0:47
Refraction 2:50
Magnification 3:48
Resolution 4:28
Reflectors 5:19
What Kind of Telescope Should You Buy? 6:19
Technology and the Light Spectrum 7:45
Review 11:14
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Follow Phil on Twitter: / badastronomer
Crash Course is on Patreon! You can support us directly by signing up at / crashcourse
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PHOTOS/VIDEOS
en.wikipedia.org/wiki/Galileo_...
en.wikipedia.org/wiki/Human_ey...
en.wikipedia.org/wiki/Refracti...
commons.wikimedia.org/wiki/Fil...
www.eso.org/public/images/yb_v...
en.wikipedia.org/wiki/Jupiter#...
en.wikipedia.org/wiki/Wide_Fie...
commons.wikimedia.org/wiki/Fil...
commons.wikimedia.org/wiki/Fil...
• NASA Star Party Helps ...
en.wikipedia.org/wiki/William_...
commons.wikimedia.org/wiki/Fil...
commons.wikimedia.org/wiki/Fil...
• Beyond the Visible: Th...
pprc.qmul.ac.uk/~still/wordpre...
en.wikipedia.org/wiki/VERITAS#...
en.wikipedia.org/wiki/Astropho...
en.wikipedia.org/wiki/Astropho...
en.wikipedia.org/wiki/File:PIA...
en.wikipedia.org/wiki/File:NAS...
upload.wikimedia.org/wikipedia...
upload.wikimedia.org/wikipedia...
upload.wikimedia.org/wikipedia...
hubblesite.org/newscenter/arch...

Опубликовано:

12 июл 2024

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Комментарии : 805

@yahyakebbe1205 7 лет назад

I like how passionate he is about Astronomy

@burieddreamer 4 года назад

Yes, and the best teachers are those who are passionate.

@BigDaddy-yp4mi 4 года назад

You've confused passion with terrible interpersonal skills. He's condescending as hell with a MY-GOD-YOU-SHOULD-ALREADY-KNOW-THIS attitude in documentaries, and only SLIGHTLY less so here. Sagan was passionate, with subpar interpersonal skills as well, except he was EXTREMELY respectful, even in odd situations, like his Johnny Carson interview (final interview before his death). I'm NOT saying Phil is dumb....because he's most certainly NOT. He is one of the smartest individuals around, his delivery just.....sucks. Badly.

@juanitaw156 4 года назад

@Absolute Zero rude. Rude rude rude (growl

@PyroOfMalice 4 года назад

Well he did say the problem with astronomers isn’t getting them to talk, it’s getting them to shut up.

@matlebaliahmed8270 4 года назад

And u are passionate to write passions!...😂

@TheFireflyGrave 9 лет назад

'It's like a jigsaw with an infinite number of pieces. The fun never ends.' That's an awesome way to put it.

@jrex0522 5 лет назад

@@ziquaftynny9285 ... i just like the subject

@gesellearchie8363 4 года назад

good

@maximumoftwenty8882 9 лет назад

I hate living in a city and not being able to just walk outside and see stars.

@MrCapNunes 6 лет назад

Maximum Of Twenty I feel your feelings lol

@maheshk1465 4 года назад

And the light pollution in villages make it difficult to see stars at night

@randomvids6546 4 года назад

I don’t think light pollution affects you viewing planets so you got that for yo

@benjaminbutz9745 4 года назад

hey its 2020 are you still there

@ratnam7728 4 года назад

Same here

@badastronomy 9 лет назад

Secret behind-the-scenes info: I shot the picture of the bent spoon at 3:10. Also, at 3:50, the painting of Jupiter used to demonstrate magnification was done by my daughter.

@Timocracy 9 лет назад

Thanks for doing this. You're a great 'explainer', CC Astronomy is now my favorite.

@badastronomy 9 лет назад

Timothy Chernyak Thanks!

@Graype07 9 лет назад

You rock!

@queenhaleye7270 9 лет назад

Dude, that's awesome. Really?

@IstasPumaNevada 9 лет назад

My brain didn't even think to check for what it was, just assumed it was some really neat slice of rock like petrified wood. Now I see a moon shadow. Very neat painting. :)

@Oioioioioioi- Год назад

That audio in the intro One giant leap for mankind by Neil Armstrong always gives me chills

@AbuZahi 8 лет назад

I cannot stress enough how much I love this series and the way you present your ideas, Phil. Amazing work. Thank you very much.

@AnthonyBatistanator 9 лет назад

This has to be my favorite CrashCourse. Keep up the great work.

@NyAppyMiku22 9 лет назад

Agree!!

@badastronomy 9 лет назад

Thanks!

@marianniezayas1531 9 лет назад

Me too!

@castrocafe8049 9 лет назад

You need a picture so people will recognize who you are

@headrockbeats 9 лет назад

I'm a historian - and yet this Crash Course is even better than CC:History in my view. I think Phil is just amazing.

@metavarse4928 4 года назад

Gotta love his passion; it's inspirational and allows me to momentarily take comfort in the escape from humanity's petty trivialities. I've rewatched this series countless times. Thanks, Phil.

@ViciousViscount 9 лет назад

The best CC series so far. I love the Green brothers but Phil kind of explains everything in a more straightforward manner, easier to process. I love astronomy, too.

@BosonCollider 9 лет назад

I couldn't agree more with the "get decent binoculars first" advice. Even though I own a telescope, I use my binoculars all the time. They have a much larger field of view which makes finding things a lot easier. If you do get a telescope, you will still be using your bionculars to find stuff. They are also very nice for looking at large star clusters like the Pleiades.

@circathefuture2235 4 года назад

I spent almost an hour reading articles on how telescopes work and just couldn't wrap my head around it, and then this guy swoops in and I immediately understand it. His passion for astronomy is wonderful and the way he speaks and articulates ideas is perfect.

@robertandersson1128 7 лет назад

Thank you very much for making these videos, Phil Plait and the others at _CrashCourse’_ astronomy department. It was really interesting to learn about different telescopes. I should really go out more at night to look at the stars, but I live in a city so I can’t see so many due to light pollution and in a pretty unsafe part of town so if I go out (at night), there is a chance that someone will rob me or something. I have to convince my family to get away from town, to the country side, so that I can see all those stars.

@DefaultFonts 5 лет назад

He literally got me more excited about telescopes than my astronomy prof has ever been able to get me. He's so enthusiastic!

@Beryllahawk 6 лет назад

Coming back to watch this series again, and two years later, still I adore how much Phil loves his field. Best series

@syafiqp 9 лет назад

Love how passionate he is about astronomy. Thank you for sharing such beauty with us all, I'm sure you have inspired many & helped them chase their dreams.

@rosecityandbeyond 9 лет назад

"Aggressive self-marketing sometimes pays off." I paused for a second then laughed, and was like 'wait, for Gallileo?' didn't exactly 'pay off'.

@tootz1950 9 лет назад

As in Galileo will forever be connected to astronomy. Eternal famousness.

@rosecityandbeyond 9 лет назад

Well yeah, but at the time it might not have felt like it paid off.

@tootz1950 9 лет назад

Drake Christmas House arrest can make you feel unloved.

@calocaerus 9 лет назад

His work on telescopes got him a nice job at the university of Padua. It is his theory of heliocentrism that got him in trouble.

@sandydelgado5489 9 лет назад

The Galilean Moons .. I think it paid off!

@eddyjay83 9 лет назад

6:18 - I almost choked with the "...most common question besides "Hey, who does your hair?" ... " Seriously, I have OJ all over my computer now!

@RainAngel111 9 лет назад

love this guy. "The fun, never ends!"

@mist8201 4 года назад

I remember watching this whole series as a 11 or 12 year old and now I’m 15 and I still love it.

@isis5888 9 лет назад

Super glad an episode on telescopes came out! I'm buying a new one after getting re-interested in astronomy.

@badastronomy 9 лет назад

Oh, that's fantastic! Well, read this first: www.slate.com/blogs/bad_astronomy/2014/12/01/telescopes_how_do_i_buy_a_telescope.html

@IstasPumaNevada 9 лет назад

Same! Woot!

@isis5888 9 лет назад

***** That was a really informative read, so thanks! I'm getting the Celestron AstroMaster 114 EQ Reflector.

@IstasPumaNevada 9 лет назад

IsisVlogs Nice! :)

@ScottyP5947 9 лет назад

Super exciting! My first was an XT8 and wow what an instrument. Have fun!

@EricaShand 9 лет назад

It's cool to see him unwind and geek out more and more in each episode. SCIENCE!!!

@olie8045 6 лет назад

Mr. Phil Plait loves what he's doing . Well done sir!

@nikkievanson2279 Год назад

OMG This is my FAV crash course playlist!

@angelinelundeberg9905 9 лет назад

I love how you have your own personality and your voice is really nice to listen to. I can tell that you love what you're talking about and that you actually care about the topic. This series is amazing and super informative. Keep up the good work :) hugs from Canada

@GinnyNReviews 9 лет назад

I have a friend who works at the ALMA radioscope and, for some time, he worked on the New Mexico University in Socorro, because at the beginning, ALMA was receiving a lot of support and advice from the VLA. I was in the US at the time and I went to visit him, and we toured the VLA. The best part was he explaining me how everything works, because he really likes what he does. They also have a museum, a gift shop and some antennas near for people to take photos, so, if somebody is around there, you totally should go there!

@danegonzales5651 7 лет назад

I've always loved looking up at the sky at night. Especially now that I'm learning Astronomy thanks to you guys. I now make it a habit to walk my way home so I can look up and see the stars and the moon while listening to my favorite tunes. One of the best feelings in the world.

@ffliz217 9 лет назад

This is such a great series. I wish it had started before I got into amateur astronomy. As it is, I don't get a lot of new information out of the videos but I love the way they are presented and I appreciate how helpful it could be to somebody who didn't know much about it. Hopefully it inspires a lot of people to get out there and look at the skies! Looking forward to the next video.

@iamkybaldwin 9 лет назад

Who does do your hair?? :)

@ziquaftynny9285 8 лет назад

+Ky Baldwin Is that grammar correct? Someone get a linguistic over here!

@hyrowy8800 6 лет назад

Take out "do" sorry Grammer Police had to come

@leor6597 6 лет назад

Actually, it is grammatically correct. Try saying it but stressing "does" more. There's nothing wrong with the sentence except the two question marks, but what can you expect, this isn't an essay.

@masterofktulu 9 лет назад

I always give love to the Green brothers, but you are such a great host, too. Your passion is contagious.

@MindlessLittlePony 9 лет назад

Phil, you always put a smile on my face with you enthousiasm. When I was a child I used to watch the stars and moon with binoculars and I even got a cheap telescope. Now that I'm watching this, I realise how much I miss those evenings. I'm going to buy a new and better telescope and take up on my old pass-time!

@kevinmm20 7 лет назад

Phil, I must say that you are one of the funnest teachers I've heard! These episodes have been inspiring and make me excited to learn more about astronomy!

@m.fajrilafkaaralimuchtar2470 4 года назад

Your videos had given me amazing knowledges and experiences. Started watching this back then, now a medalist of IOAA (International Competition for Astronomy). All started from your videos. Thank you Phil, PBS, and teams.

@hiteshgupta8474 6 лет назад

The best series of crash course so far !! THNX A LOT !

@MuslimAmericanGirlz 9 лет назад

This is incredible and an amazing series. I love Phil, his passion for astronomy ignites my own! I wanna get my own telescope or binoculars now ;)

@timotg91 9 лет назад

I really love the host's enunciation and enthusiasm. Great series, CrashCourse folks! :)

@euscieu4246 5 лет назад

Thank you for making this series! I absolutely love it

@Qladstone 8 лет назад

You gave me a much greater appreciation of telescopes. Thank you for the great explanation and excitement!

@Coastfog 9 лет назад

I really enjoy this series. Most things you talk about aren't exactly new to me, but you present them in such an entertaining way and there's always something new for me to think about. Keep up the good work!

@WildRiverTom1 9 лет назад

Wonderful advice in a great series. You are spot on with the telescope buying question too. This series will get people excited about astronomy for sure.

@doctorshuckle8394 9 лет назад

I absolutely love this series.

@vivektripathi5847 6 лет назад

awesome series !!..I find this very very helpful in understanding the basics of astronomy.

@AiryFairyAlly 7 лет назад

Amazing work, love these videos/lessons

@CherryGloves 9 лет назад

I think I've memorized about three quarters of the credits dialogue now. I'm proud of that for multiple reasons, but most importantly it just shows how much I watch Crash Course.

@INeverUseThisLol 7 лет назад

I know every single thing in this whole series but it's still fun to watch

@xsauce3858 7 лет назад

Me too

@Metalkiko 9 лет назад

Your videos are awesome! My favorite in CrashCourse up to now! Seriously! Congrats!

@kevinwright7617 9 лет назад

Great. Thankyou for your time and knowledge.

@Warhawk666 9 лет назад

This is my favorite series. Thank you!

@edenchandler7775 9 лет назад

Thank you for your passion. It is clear that you love the what you are teaching about.

@NyAppyMiku22 9 лет назад

Thought Café just keeps getting better and better! Awesome video! Keep it up!! 💙💙💙💙

@OGjimbo 9 лет назад

Ok so, this is one of my favorite series' of all the things I watch online right now. These are so good, so fun to watch, Phil's enthusiasm for astronomy is so infectious it makes me wanna run outside and check some stars out at the end of every episode. Keep up the good work guys, I love these videos.

@Taks214 9 лет назад

This is quickly becoming my favourite Crash Course show. I love it! :)

@IdaHolmNygaard 9 лет назад

Think I could talk with Phil for a lifetime without getting bored.

@PikeTJ 9 лет назад

I just bought a reflector telescope from Orion because of this video. I've always had it in the back of my head to get one someday, and at 31 I am so super stoked for it to get here. Fantastic crash course series. Thanks bunches.

@Galakyllz 9 лет назад

I love how awesome these videos are!

@Trinilove25 9 лет назад

Thank you for sharing your knowledge and enthusiasm 🌟

@AndreaTani 9 лет назад

I LOVE this series!!

@fabiofranco109 9 лет назад

Crash course was great, with this new series and especially this new educator its now just plain awesome. Great work.

@LucasHaither 9 лет назад

I watch all his videos. The passion is remarkable.

@Mohamed-jv6nv 5 лет назад

Aahhh! feels so good listening to this guy.

@kyleb209 4 года назад

This was a well constructed and informative video. Thank you for making it.

@yasminceleste3844 8 лет назад

We can just see your passion when you compare the universe to jigsaw pieces, but it's great! I'm loving the series!!!

@Kayzedful 9 лет назад

Great content that is very well presented!

@cherrybomb0388 9 лет назад

Thank you for this, it was very informative. After watching videos from this channel, Scishow, and Vsause, I'd recently gotten more interested in astronomy, as others have said before, and this was very welcome information, as I am looking at getting a decent telescope.

@hrivers228 5 лет назад

The fun NEVER ENDS! 😂😂 LOVE the vids! Keep up the great work! Thank you!

@DrDeeDot 9 лет назад

When asked to list space telescopes, most people will be able to name only one: Hubble Space Telescope (HST). While HST has done wonders, there have been literally dozens of space telescopes launched since then, many of which were crucial to cutting edge astronomical and astrophysical discoveries. Here's to Spitzer, Kepler, Planck, and so many other under-appreciated space telescopes.

@nnataliered 5 лет назад

I'm just watching this for fun and I love it

@danielbelayneh8823 4 года назад

Wow! I don't think it can be made any better understandable than this! What an astute instructor! Thank you very much!

@bebekrill 9 лет назад

i find myself looking up the skies a lot more often now thanks to your videos!:D hope i get a chance to do stargazing out of city someday

@sharven417 6 лет назад

really helped.. and was very useful.. thanks Crash Course

@IstasPumaNevada 9 лет назад

Interesting, useful, and well put together, as always. Thanks! :)

@MrDoob-xo3sm 8 лет назад

This stuff is cool! GREAT WORK PIL PLAIT! Keep this amazing work up!

@eggsous8858 9 лет назад

Yay! I have a test coming up that has stuff about telescopes and this really helped me! Thank you so much! Can you also talk about constellations and stars? I need help in that topic please.

@JorgePicco 9 лет назад

This was a fantastic episode!

@ArcadianHitMan 9 лет назад

I really like the remix of the Crash Course intro music! Also, this is my favorite topic :)

@KingJus414 9 лет назад

Great video. Very informative.

@shannonreonazalma3275 7 лет назад

Thanks for your videos!

@himanshushekhardas1730 6 лет назад

I am love with your crash course !!!

@fernmoreno484 7 лет назад

"Look at your eyes... well, that's tough, so let's think about our eyes for a moment." this is why I love this series

@aaronodonovan3193 7 лет назад

getting my first telescope for christmas so i thought id learn a bit about astronomy. these videos are great!

@sunset2365 5 лет назад

Super interesting. Love this channel.

@IudiciumInfernalum 9 лет назад

I love this series, the best crash course yet if you ask me.

@OregonAirgunner 9 месяцев назад

Love this channel

@KiddsockTV 9 лет назад

I have always love your passion for the stars and universe.

@patryklau 8 лет назад

I'm getting a telescope just because of this episode. Keep up the great work guys!

@erikziak1249 9 лет назад

Great episode, this is how I imagine CrashCourse. I look forward to a video about the equatorial telescope mount.

@divicool72 9 лет назад

Yeah I gotta say that so far the clarity of the writing, pace, and delivery have been the best out of any crash course series so far, IMO. It's easy to listen to, which is good!

@sheepwshotguns 9 лет назад

now this series is picking up :) great episode!

@iTiffanyi 9 лет назад

I've really been getting more and more interested in looking up at the night sky. Just last night, I was able to see Venus, Mars and the new moon right from my bedroom window! Every time I have to go anywhere at night, I always end up looking up at the night sky. Seeing all of those stars is just such a beautiful thing. I really do want to get a stronger pair of binoculars, or at least a tabletop telescope eventually, to make it easier to see fainter stars. I'm gonna go with whatever is in my price range and start from there. Unfortunately, I don't think there's an observatory near where I live so I have to make do without the night viewing parties. I bet those are loads of fun. I look forward to these new videos every week!! They're so informative. Keep up the good work! :)

@jeremeyricketts6074 9 лет назад

You Sir have the best CC intro and intro music! Hope this series is as long as the world history series.

@sharaesha 9 лет назад

I literally got choked up and teary eyed at 4:27. lol :)

@thisiselkomy 9 лет назад

I love this guy.I love this series.I love this channel. GO Crash Course :)

@TwasADream22 9 лет назад

Great episode!

@jamiesonpowell6007 4 года назад

Excellent video!

@Splurgendii 9 лет назад

My favorite crash course Love it.

@colepruitt2268 6 лет назад

Phenomenal video so helpful and useful taking my new baby out tonight if its clear enough. Thank you!!!

@trixiegtan 4 года назад

His passion is contagious ❤️

@ayushiiiikang 9 лет назад

THANK U so much CRASH COURSE you always help n gives us more info!!! well so glad to know that telescopes are so AWWWESUM...AND glad to see astronomy on crashc. as I really love it. well u three are always awsm john, hank n Phil! XD...