This is roughly as close to Earth as today’s geosynchronous communications and weather satellites, and about 10 times closer than the Moon is today. Because the force of gravity is stronger at ...
This is where it leaves a tangible imprint, evidence that there exists a force more powerful than gravity at work within the Earth whose influence extends very far. Way back in the earliest ...
Exiting Earth's gravity takes an enormous amount of fuel and power. Due to this, spacecraft strapped to rockets are limited in their carry capacity and every gram must be accounted for.
The #LucyMission will perform its 2nd Earth-gravity assist on Dec. 12, putting it on a new course toward its first Trojan asteroid encounter in 2027. On the way, Lucy will pass through the main ...