Are there more stars than grains of sand?
Are there more stars in the universe or grains of sand on earth?
Are all the stars in the sky, suns? How many stars are there in sky? Theoretical at best I'm aware, but are there more ants on Earth or Stars in the Sky? Do stars revolve around the sun in our solar system? How many stars in the sky? How many stars in the sky? Is the sun, and are other stars, in motion? Is there any planet in the universe that is bigger than our sun? How many stars are there in the universe? Since there are many moons, is it possible that there is more than one Sun in the universe? Astronomy: Are temperatures of stars measured from space? How big is our sun compared to other stars, our solar system compared to others and our galaxy to others? Is there any possibility of more than one sun? Are there any stars that are big enough to eventually go Nova and close enough to Earth to wipe out all life here in such a case? Is there a planet in the universe as big as our Sun? Is the sun a star? How big would the sun look on other planets? Why are all the stars so far away from the Sun? In the Milky Way Galaxy, relative to the Sun, how many stars are bigger or smaller? Is the sun bigger than Jupiter? What exactly are the tiny stars that we see in the sky at night? Are they same type of stars as our sun? How many stars are visible by the human eye from Earth? How many asteroids are in the solar system? Stars twinkle, planets don't. Why ? Why do the stars at night appear to be stationary when Earth is spinning so fast? Is every star as big as the moon? Given the trillions of objects orbiting the sun in the Asteroid, Kuiper-Edgeworth and Oort Belts, why haven't more coalesced to form planets? If Earth & Mars were the same distance from the Sun & about 4 months apart on their orbit, would we to see Mars as a planet or just a brighter star? How is the sun a star? Sometimes we see loads of stars in the sky. Sometimes we don't see any. Why so?