One large Milky Way galaxy or many galaxies? 100 years ago, Edwin Hubble settled astronomy's 'Great Debate'
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...
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Gemini’s 2 bright stars are hard to miss
Straight south in the early evening is the familiar constellation Orion. Above Orion, to the northeast, the constellation ...
One Large Milky Way Galaxy Or Many Galaxies? 100 Years Ago, A Young Edwin Hubble Settled Astronomy's 'Great Debate'
Toward the end of the 18th century, astronomer William Herschel used star counts to map out the Milky Way . He cataloged a ...
Impacts13d
The Evolution of Telescopes: From Galileo to Modern-Day Astronomy
The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...
James Webb Telescope unveils awe of the heavens
Scientists used NASA’s James Webb Space Telescope to examine select star-forming areas in the Extreme Outer Galaxy in near- ...
NASA Found a Black Hole Knocked Over on Its Side. That Probably Shouldn't Happen.
This suggests that NGC 5084 is host to a supermassive black hole tipped on its side, and scientists think it could be evidence of a galactic collision in NGC 5084’s recent past.