Scale of Earth, Sun, Galaxy, and Universe - Page 5
Questions
- With the repeating universe theory does it mean just the universe repeats itself or does time and specific events repeat as well?
- What is the size of one parsec?
- How many Earth like planets are there in the universe with existence of air water and life?
- If the span of the universe was converted from light years to miles, what would it measure?
- What is the nearest galaxy to our solar system?
- Are there more than four dimensions?
- What are the advantages of using parsecs over light years?
- What separates the galaxies from each other?
- How can they tell the size of universe without knowing where the center of big bang was?
- How big is the universe? How small are we?
- What is the size of the universe in feet?
- Is intergalactic travel possible or improbable? Why so?
- How many galaxies are in the universe?
- How did scientists determine the size of the universe?
- What exists in intergalactic space? Are there stars in these expanses?
- How large is the universe?
- What is the closest star to the earth?
- Is it true that it would take a life time to leave our galaxy?
- What is the closest galaxy to the Milky Way?
- How many light years across is the universe?