This is the "How Far Away Is It" video book channel.
It is a video book of Hubble and other Space and ground based Telescope pictures together with an illustrated explanation of how we know how far away these objects are - from your back yard to the most distant galaxies.
See how: Triangulation can take us across the globe Parallax can take us across the solar system Standard candles can take us across the Milky Way Red-shift can take us across the universe.
The video book contains three chapters: The Solar System; The Milky Way; and Galaxies.
A Distance Ladder foundation is built in segments 2 (The Earth) through 6 (Distant Stars).
The amazing celestial object photography begins with segment 7 ( Planetary Nebula). Many viewers may want to start there. Students, new to Astronomy, should start from the beginning.
There is also a preface and a segment on credits with websites identified that can be used for further research by interested viewers.
My question: What does someone ON Probe B see? Would they say they notice any wobble/movement, or from that perspective, does everything "look" aligned as intended?
When galaxies collide the chances of collisions between individual star are vanishingly small. But has such a collision ever been seen? Would it be like a supernova?
i have seen the results that prove light does have a small amount of mass, but i thought nothing that has mass can reach 1c.. how can light move at the speed of light if it has mass??? i thought it should require light to be massless.. please? i really don't understand this
This has been by far, the best channel on RU-vid. I love all of your video books, how you edit it, your narrating and always perfect mix of music. That's just the cherry on top. The great knowledge coming through these videos I'd already so much. Love it great work!!
So hard to believe that a major accident like two planets colliding is the only reason why life is on earth and is so naturally balanced that if any little thing changes all life on earth will cease to exist
Incidentally, the edge of the Andromeda galaxy is millions of light years nearer to earth than the far edge, yet it still looks like a spinning disk without any distortion; I could never understand why.
This is by far one of the greatest shows on RU-vid and should deserve it's own RU-vid space on the front page. If you ever see this David, keep going with this style. We keep returning to this and many of your older ones so much. Maybe create space travel simulations from us to more and more distant spaces! That would be insanely good!
Thank you for your answer. So, do subatomic particles exchange hypercharges by absorbing and emitting the z boson when they were singular before the atom was formed? After the hypercharge exchange ends, will the z boson remain in the particles that come together and form the atom?
Mr. Butter So, do subatomic particles exchange hypercharges by absorbing and emitting the z boson when they were singular before the atom was formed? After the hypercharge exchange ends, will the z boson remain in the particles that come together and form the atom?
I simply expect these two great devices to be shred to pieces by the cloud of particules that did'nt contributed to the solar system formation and simply been pushed away at sun fusion ignition way back at birth of the system.
So, gravity means big objects like Planets stretch "empty" space causing it to bend? why do big objects bend "empty" space? good that you have no background music.
First, thank thank you for a wonderful combination of a beautiful music and very interesting presentation. Now a question, I read that even though Bernard star will come closer to Sun than the present position of the Proxima star, however, at that point Proxima will also move closer to our Sun, therefore Bernard Starr will never be the closest to our Sun. could you please comment on that? Thank you very much Anna.
