Mercury Orbited Tomorrow
• arcleinMercury is going so much faster than Earth that a spacecraft must gain about 65,000 mph to catch it. And once you get there, you're face to face with the searing heat of the sun."
Mercury is going so much faster than Earth that a spacecraft must gain about 65,000 mph to catch it. And once you get there, you're face to face with the searing heat of the sun."
