Scale of Earth, Sun, Galaxy, and Universe - Page 12
Questions
- From the Sun, what is the name of the nearest star?
- What is the full scale of the universe? Will it ever be known?
- How many light years away is the sun from pluto?
- Is there a name for the space between galaxies?
- How far away, in kilometers, is Proxima Centauri from the sun?
- What is the size of the Earth compared to the moon?
- How often do stars explode in the universe? Are there so many stars that there are millions exploding all of the time?
- How many galaxies are there in the universe? How were they discovered? How many have been discovered?
- What is the distance from Earth to Mars in kilometers?
- Which galaxy is closest to earth?
- How is the size of the universe determined?
- Is the universe in orbit?
- When a comet is at perihelion does it have a brighter tail?
- Why did Einstein and others assume that the universe had no beginning?
- How many AU is the nearest Galaxy from the milkyway?
- Is the earth and our solar system contained entirely in one galaxy?
- Is the brightest star in the sky the one which is closest to us?
- How old is the universe?
- What is how does universe differ from a galaxy?
- Are there any theories to explain what the Universe is expanding into?