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 ...
Forbes2y
The Most Distant Stars In Our Galaxy Are Halfway To Andromeda, Say Scientists
Also called M31—and our closest giant neighboring galaxy ... the most distant of which is more than a million light-years from Earth. That’s almost half the distance to Andromeda.
Hosted on MSN2mon
Extremely rare 'failed supernova' may have erased a star from the night sky without a trace
before it burned up in Earth's atmosphere on Nov. 1, 2024. After spotting M31-2014-DS1, the astronomers saw it dim from 2016 to 2019, with follow-up observations in 2023 showing that it had ...
PBS3mon
The Andromeda Galaxy
By the 1920's, M31 was clearly understood to be a grouping ... the Andromeda Nebula was over a million light years away from Earth. It was the largest distance ever measured, and its announcement ...
Phys.org23d
One large Milky Way galaxy or many galaxies? 100 years ago, Edwin Hubble settled astronomy's 'Great Debate'
He calculated M31's distance as a prodigious 900,000 light ... the faster it was moving away from Earth. Hubble got the lion's share of the credit for this discovery, but Lowell Observatory ...
Times Union25d
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’
He calculated M31’s distance as a prodigious 900,000 light ... the faster it was moving away from Earth. Hubble got the lion’s share of the credit for this discovery, but Lowell Observatory ...