Determining the Milky Way’s size is challenging because we’re inside it. Estimates have varied greatly, from 100,000 to 1.9 million light years in diameter. Studying the Milky Way involves accounting for dark matter’s gravitational effects since it comprises most of the galaxy’s mass but remains invisible.
Related Posts
Perseverance’s MOXIE Generates Oxygen on Mars
It seems the list of “firsts” for NASA’s Perseverance rover keeps scooping up more and more achievements. After…
AI is helping astronomers make new discoveries and learn about the universe faster than ever before
The sky is big and full of information that AI tools can help astronomers unlock. Yuga Kurita/Moment via…
Comets Could Deliver Building Blocks for Life to Exoplanets, Study Finds
At a Glance Researchers from the University of Cambridge have investigated the potential of cometary impacts to deliver…
This Black Hole Is Close (But Not Too Close)
The closest confirmed black hole, Gaia BH1, is located about 1,500 light-years away. It was independently discovered by…