1. What is the speed of the Earth moving through space?

Answer: The Earth moves around the Sun at a speed of about 30 kilometers per second (67,000 miles per hour).

2. Why do stars twinkle?

Answer: Stars twinkle because of the Earth’s atmosphere. As light passes through the atmosphere, it is refracted and bent, causing the star’s brightness to fluctuate.

3. What causes an eclipse?

Answer: An eclipse occurs when one celestial body passes in front of another. A solar eclipse happens when the Moon blocks the Sun, and a lunar eclipse occurs when the Earth casts a shadow on the Moon.

4. What is the difference between a comet and an asteroid?

Answer: A comet is made of ice, dust, and rocky material, often developing a tail when it nears the Sun. An asteroid is a rocky, airless object that orbits the Sun, primarily found in the asteroid belt.

5. What is the Milky Way’s central black hole?

Answer: The Milky Way has a supermassive black hole at its center, known as Sagittarius A*, with a mass about 4 million times that of the Sun.