Scale of Earth, Sun, Galaxy, and Universe - Page 10
Questions
- Is there anything in between the galaxies?
- What is the closest star we can see at night?
- How is the universe changing?
- How many particles are there in the universe?
- The distance from the Sun to the nearest star is about #4 x 10^16# m. The Milky Way galaxy is roughly a disk of diameter #~10^21# m and thickness #~10^19# m. How do you find the order of magnitude of the number of stars in the Milky Way?
- What is the ratio of the distance to Andromeda to the size of the observable universe?
- What is the closest star (other than the sun) to the earth?
- Which planets are smaller than earth?
- What is the volume of the universe?
- How long would it take to reach the far to edge of observable universe if going at 5 miles per second?
- How much bigger than the Earth is Saturn?
- What is the size of the universe?
- What evidence do we have for the change in size of the universe?
- If you were traveling at the speed of light, how long would it take you to travel to the nearest star outside of our solar system?
- What is the distance of the sun from earth?
- What is the closest Galaxy to the Solar System?
- Which constellation is the closest to Earth?
- What is the ratio to size of Earth to Jupiter? How many earth's would fit in Jupiter?
- How are parsecs converted to meters?
- How many earth years would it take to reach andromeda galaxy?