One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate.’
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...
CBC.ca25d
Stunning photo mosaic of neighbouring Andromeda Galaxy captures the glow of 200 million stars
Astronomers have released the most detailed image of the Andromeda galaxy with new clues about its evolutionary history to celebrate the 100th anniversary of Edwin Hubble's discovery that our ...
Salon8d
One large Milky Way galaxy or many galaxies?
Edwin Hubble was young and ambitious ... Measuring a galaxy’s brightness or apparent size is not a good guide to its distance. Hubble leveraged a discovery made by Henrietta Swan Leavitt 10 years ...
The Conversation28d
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’
Edwin Hubble was young and ambitious ... or apparent size is not a good guide to its distance. Hubble leveraged a discovery made by Henrietta Swan Leavitt 10 years earlier. She worked at the ...
Gazi Abbas Shahid
From the iconic 'one small step', to the spectacular 'Earthrise', check out these 10 stunning Moon photos shared by NASA.
Connecticut Post29d
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’
Hubble leveraged a discovery made by Henrietta Swan Leavitt ... when the universe was 20 times smaller than it is now. Edwin Hubble would be amazed to see such progress.