Various technologies, networks and institutions benefit from or require accurate time keeping to synchronize their activities. Current ways of synchronizing time have some drawbacks that a new proposed method seeks to address. ...
General Physics
May 9, 2022
0
1200
The remnants of a collapsed neutron star, called a pulsar, are magnetically charged and spinning anywhere from one rotation per second to hundreds of rotations per second. These celestial bodies, each 12 to 15 miles in diameter, ...
Space Exploration
May 3, 2022
0
175
In 2022, NASA's Artemis I mission will send a spacecraft capable of supporting a human crew to the moon for the first time in almost 50 years. On this uncrewed test flight, it will be the twin measuring mannequins Helga and ...
Space Exploration
May 3, 2022
0
5
Fifty years after his Apollo 16 mission to the moon, retired NASA astronaut Charlie Duke says he's ready for the U.S. to get back to lunar exploration.
Space Exploration
Apr 30, 2022
1
73
Charlie Duke is part of a tiny fraternity that's getting even smaller: People who walked on the moon.
Space Exploration
Apr 21, 2022
2
63
The test version of a unique satellite navigation receiver has been delivered for integration testing on the Lunar Pathfinder spacecraft. The NaviMoon satnav receiver is designed to perform the farthest ever positioning fix ...
Space Exploration
Apr 20, 2022
0
17
When astronauts begin exploring Mars, they will face numerous challenges. Aside from the time and energy it takes to get there and all the health risks that come with long-duration missions in space, there are also the hazards ...
Space Exploration
Apr 13, 2022
0
10
An enormous comet—approximately 80 miles across, more than twice the width of Rhode Island—is heading our way at 22,000 miles per hour from the edge of the solar system. Fortunately, it will never get closer than 1 billion ...
Astronomy
Apr 12, 2022
7
1174
There's a powerful new member of NASA's family of giant antennas that enable engineers and scientists on Earth to communicate with the growing number of spacecraft exploring our solar system.
Space Exploration
Mar 16, 2022
0
75
In a Swiss cleanroom, this historic object has been taking shape. Made of carbon fiber reinforced polymer, this is the central core of ESA's Hera asteroid mission for planetary defense.
Space Exploration
Mar 10, 2022
0
5
