To test the physical properties of the soil. To warm up its motor. Comets are usually dust and ice. Comets are usually dust and ice. Venus is the brightest object in the night sky after the moon.
Comets are usually dust and ice.
Though farther away that Mars, It's much bigger and reflects more sunlight. On Mars, mountains and plains have classical names such as Olympus. Valleys are often named for Earth rivers. Comets are usually dust and ice. Albany, Annapolis and Charleston are a few examples.