News tagged with edwin hubble

How fast is the universe expanding?

The Universe is expanding, but how quickly is it expanding? How far away is everything getting from everything else? And how do we know any of this anyway?

Feb 10, 2015
4.3 / 5 (27) 13

Why is Andromeda coming toward us?

I don't want to alarm you, but there's a massive galaxy heading our way and will collide with us in a few billion years. But aren't most galaxies speeding away? Why is Andromeda on a collision course with ...

Jan 23, 2015
3.4 / 5 (28) 27

Image: Hubble stirs up galactic soup

(Phys.org) —This new NASA/ESA Hubble Space Telescope image shows a whole host of colorful and differently shaped galaxies; some bright and nearby, some fuzzy, and some so far from us they appear as small ...

Aug 25, 2014
4.7 / 5 (9) 1

Mysterious red galaxies

(PhysOrg.com) -- Perhaps the most astonishing and revolutionary discovery in cosmology was Edwin Hubble's observation that galaxies are moving away from us with velocities that are proportional to their distances. ...

Dec 12, 2011
4.8 / 5 (12) 36

Hubble views the star that changed the universe

(PhysOrg.com) -- Though the universe is filled with billions upon billions of stars, the discovery of a single variable star in 1923 altered the course of modern astronomy. And, at least one famous astronomer ...

May 23, 2011
4.3 / 5 (6) 51