开车去太阳
2020年10月3日 Driving to the Sun Image Credit: Solar Dynamics Observatory, NASA Explanation: How long would it take to drive to the Sun? Brittany age 7, and D.J. age 12, ponder this question over dinner one evening. James also age 7, suggests taking a really fast racing car while Christopher age 4, eagerly agrees. Jerry, a really old guy who is used to estimati...