Introduction to Astronomy: Crash Course Astronomy #1
Welcome to the first episode of
Welcome to the first episode of Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING! Knowing that the universe is...
Welcome to the first episode of
Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING! Knowing that the universe is expanding ...
https://www.youtube.com/watch?v=0rHUDWjR5gg (Original Video Link) Yes I tried experimenting with a different background ...
Lecture on science and
The Milky Way is our neighborhood in the universe. It's a galaxy and there are many others out there. Galaxies contain gas, dust, ...
Thanks to the wonders of
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Today Phil's explaining the stars and how they can be categorized using their spectra. Together with their distance, this provides a ...
Introduction