Astronomy Videos

Our full collection of all Deep Astronomy videos. Here you'll find everything from live astronomy hangouts to regular space news episodes and short space documentaries. You can browse by keyword, specific categories or just have poke around and see what you can find. There's definitely something for everyone!

Behind the Mysterious Fog Surrounding the Milky Way

12th Nov, 2010 - 64.7k views

On November 9th, 2010, a group of scientists at NASA's Fermi Gamma-Ray Space Telescope announced the discovery of two bubbles of energy erupting from the center of our galaxy. The structure spans more than half of the visible sky, from the constella

How Do We Know the Universe is Flat?

28th Oct, 2010 - 744.4k views

Special thanks to space fan ! Your suggestion, while it didn't have the MOST votes, had enough to justify my doing this since I've been wanting to for a while. Thanks to everyone for participating, and keep vot

The Most Distant Galaxy Ever Measured

24th Oct, 2010 - 227.4k views

On Oct 19th, astronomers announced the measurement of a redshift of 8.6 for one of the galaxies in the Ultra Deep Field. Here's the news release from ESO's website: Music used:

The Importance of Gliese 581g

13th Oct, 2010 - 435.4k views

Get astronomy tweets here:!/DeepAstronomy The fact that we've found a habitable planet candidate so soon after starting our search has important implications for the number of habitable planets that may exist in our galaxy -

Space Bound #1: The Consequences of Star Travel

6th Oct, 2010 - 119.9k views

Thank you space fans! This video is the first in a new series inspired by you. Special thanks to Space Fan Malekhit86, your suggestion had the most votes. All music used:

Gliese 581g: First Earth-sized planet discovered around a star's habitable zone

2nd Oct, 2010 - 27.3k views

Earlier this week, astronomers from University of California in Santa Cruz announced the discovery of an Earth-sized world in a very promising spot around the red-dwarf star known as Gliese 581. It seems to be orbiting in that star's habitable zone.