A solid body orbiting the Sun that consists of metal and rock. Most are only a few miles in diameter and are found between the orbits of Mars and Jupiter, too small and far away to be seen easily in a small telescope. A few venture closer to the Sun and cross Earth’s orbit.
NASA Scientists Gear Up for Solar Storms at Mars
NASA Scientists Gear Up for Solar Storms at Mars by Nancy Neal Jones for GSFC News Greenbelt MD (SPX) Apr...