How did we discover the universe?
In the 1920s, astronomer Edwin Hubble made a revolutionary discovery about the universe. Using a newly constructed telescope at the Mount Wilson Observatory in Los Angeles, Hubble observed that the universe is not static, but rather is expanding.
Who discovered the galaxy?
The first galaxies were identified in the 17th Century by the French astronomer Charles Messier, although at the time he did not know what they were. Messier, who was a keen observer of comets, spotted a number of other fuzzy objects in the sky which he knew were not comets.
Who discovered how old the universe is?
Early estimates of the Age of the Universe
In the 1920’s Edwin Hubble discovered the expansion of the universe. He found that galaxies which are further away are moving at a higher speed following the law, v=Hod, where v is the velocity in km/s, d is the distance in Mpc, and Ho is the Hubble constant in km/s/Mpc.
- How did we discover the universe?
- Who discovered the galaxy?
- Who discovered how old the universe is?
- What is older than the universe?
- How many universes are there?
- Do we know how old the universe is?
- How do we know that the universe is 13.8 billion years old?
- How old is the universe really?
- Can the universe be older than 14 billion years?
- How cold is space?
- What is the oldest planet?
- How old is the youngest star?
- How old is the Sun?
- What is the rarest star in the universe?
- How old is the oldest galaxy?
- What is beyond the universe?
- Is the universe infinite?
- How old is a star?
- What happens if a star dies?
- Why do stars twinkle?