(PhysOrg.com) -- ESA's gravity mission GOCE has achieved a first in the history of satellite technology. The sophisticated electric propulsion system has shown that it is able to keep the satellite completely free from drag ...
Space Exploration
May 26, 2009
11
0
University of Warwick astronomers are warning that orbital debris posing a threat to operational satellites is not being monitored closely enough, as they publish a new survey finding that over 75% of the orbital debris they ...
Space Exploration
Sep 24, 2020
0
42
After studying Ceres for more than eight months from its low-altitude science orbit, NASA's Dawn spacecraft will move higher up for different views of the dwarf planet.
Space Exploration
Aug 31, 2016
1
314
(Phys.org)—A trio of researchers affiliated with Delft University in The Netherlands, has come up with a new way to provide propulsion for CubSats—use frozen water as fuel. In their paper published in Acta Astronautica, ...
(PhysOrg.com) -- The Dawn spacecraft has completed a graceful spiral into the first of four planned science orbits during the spacecraft's yearlong visit to Vesta. The spacecraft started taking detailed observations on Aug. ...
Space Exploration
Aug 12, 2011
5
0
Throughout the year, there are different meteor showers that all have different properties and can be more or less easy to spot.
Astronomy
Oct 23, 2023
0
7
A Russian KOSMOS 2499 satellite broke up last month—for a second time—according to the Space Force's 18th Space Defense Squadron. In a recent tweet, the Space Force said they are currently tracking 85 individual pieces ...
Space Exploration
Feb 9, 2023
0
40
ESA's EnVision mission to Venus will perform optical, spectral and radar mapping of Earth's sister planet. But before getting down to work the van-sized spacecraft needs to "aerobrake"—lowering its orbit with thousands ...
Space Exploration
Jul 28, 2022
0
23
NASA will supply the upcoming European Space Agency (ESA) Lunar Pathfinder satellite with an array of laser retroreflectors, mirrored devices that reflect light back at its source. The retroreflectors will validate navigation ...
Space Exploration
Jul 8, 2022
0
4
Two companies, OneWeb and SpaceX, are racing to put fleets of thousands of communication satellites into orbit. In March, they had their first near miss. Avoidance maneuvers were successful, but how many more close calls ...
Space Exploration
May 12, 2021
2
19
