Four satellites, or moons, orbit Jupiter. Planets are circular disks, not just points of light. Venus has phases just like the moon. The moon’s surface is not smooth. The sun has sunspots, or dark regions.
Four satellites, or moons, orbit Jupiter. Planets are circular disks, not just points of light. Venus has phases just like the moon. The moon’s surface is not smooth. The sun has sunspots, or dark regions.