All meteors are differnt colors. Such as blue, green, yellow, and red. Green might be a sign of oxygen. Millions of meteors are fuond in Earth's atmosphere. The size of meteors are greatly numberd.
Meteors seem to be fast moving streaks of light.
Asteroids are the smallest particles that orbit the Sun. Some are the size of rice, others are the size of trucks. They become visible once in Earth's atmosphere. Then they are called meteors. Manmade space crafts have been known to have great dents in them.