For centuries, scientists imagined objects so heavy and dense that their gravity might be strong enough to pull anything in - including light. They would be, quite literally, a black hole in space.
But it's only in the past few decades that astronomers have conclusively proved their existence.
Today, Hubble lets scientists measure the effects of black holes, make images of their surroundings and glean fascinating insights into the evolution of our cosmos.
You can download this episode in various formats from: http://www.spacetelescope.org/videos/hubblecast43a/
@korbindallis she says doctor not doppler, pretty clearly.
zythepsarian 4 months ago
@zythepsarian
She was saying Doppler Effect
korbindallis 4 months ago
911
berzu21 6 months ago
4:19 sounds like she says doctor effect not doppler effect...hope she isnt that stupid
zythepsarian 10 months ago
блин перевевели бы на Русский
TRANSLATE TO RUSSIAN PLEASE
djvergon 10 months ago
Why isn't this taut in high schools and colleges? You would think by 2011, that Astronomy and Astrophysics would be one of the main focuses in education.. Especially how the US is behind in Math and Science....
Bodywrecker 11 months ago
I love the schematic of the Hubble Telescope that is shown beginning 02:56 and ending 03:11. Is this available as a poster or as a wallpaper that can be downloaded?
LsBaba 11 months ago