Scale of Earth, Sun, Galaxy, and Universe - Page 11
Questions
- On average, how many planets are in one galaxy?
- A parsec is the distance that light travels in 3.26 years. How many years does light takes to travel travel 3.0 parsecs?How many kilometers make 3.0 parsecs?
- At what scale is the universe expanding?
- How far apart are all of the galaxies in the Local Group?
- How can orbital semimajor axis, eccentricity, and period be calculated if perihelion and aphelion are known?
- If the universe is always expanding, what is causing it to do so?
- How many light years away is the constellation cancer?
- What is the function of the universe?
- What is the order from largest to smallest: galaxy, universe, star, asteroids, planets, moons, solar system?
- How would the distance from the earth to the sun be expressed in parsecs and in light years?
- How do astronomers estimate the size of the universe?
- What is the closest hypergiant to Earth?
- How does redshift change the universe?
- How many stars are in the visible universe?
- What stars or planets are bigger than the Sun?
- Proxima Centauri is 4.3 light-years away from the Sun. How many miles away is it from the Sun?
- What is the farthest galaxy or star from the Earth?
- What is the size of the earth in comparison to the sun?
- A star with a parallax of 1 second of arc is at what distance?
- How does chemistry affect the universe?