Scale of Earth, Sun, Galaxy, and Universe - Page 8
Questions
- Does the density of the universe change over time?
- How many shapes of galaxies exist?
- How is the distance between stars and the earth calculated?
- If the earth was the size of a golf ball how big would the universe be?
- How far away are we from the stars we see at night and do they have their own solar systems?
- What is the largest planet in our solar system?
- How big was the universe one second after the Big Bang?
- What is distance from Uranus to Neptune in km?
- How much light years is Venus far from the earth?
- How close is the nearest star with planets?
- How big is the universe? is it infinite? if not, how does it end?
- What are the odds of there being another 'Earth' in Space?
- How many stars and galaxies are in the non-visible universe?
- Will the universe come to an end one day and die out like the stars? Or, will the universe go on forever?
- How many parsecs are in a megaparsec?
- Why are parsecs used rather than A.U.?
- What is the approximate diameter of a white dwarf star with the Sun's mass?
- How would you calculate the size of the universe?
- Is there a distance where a parsec could be equal to a light year?
- How many nebulae are there in total?