These included factors such as weaker lunar gravity resulting in faster clock ... project that measured orbital distances between the moon and Earth down to the millimeter. Breakthroughs ...
From exploring the Moon to revealing mysteries of the solar system, space agencies around the world are gearing up for an exciting year of launches and flybys.
This asteroid is a quasi-satellite of Earth, meaning it orbits the Sun ... is when a spacecraft passes close enough to a planet or moon to use its gravity for a speed boost. As the spacecraft ...