Spacewalking astronauts installed a high-speed data link outside the International Space Station's European lab on Wednesday and tackled other improvements.
Space Exploration
Jan 27, 2021
1
202
Chinese scientists have established the world's first integrated quantum communication network, combining over 700 optical fibers on the ground with two ground-to-satellite links to achieve quantum key distribution over a ...
Quantum Physics
Jan 6, 2021
3
6955
Solar Orbiter is getting ready for the first of many gravity assist flybys of Venus on 27 December, to start bringing it closer to the sun and tilting its orbit in order to observe our star from different perspectives.
Space Exploration
Dec 18, 2020
1
336
RADAR satellites can collect massive amounts of remote sensing data that can detect ground movements—surface defomations—at volcanoes in near real time. These ground movements could signal impending volcanic activity ...
Earth Sciences
Oct 14, 2020
0
232
The exchange of a secret key for encrypting and decrypting messages over a distance of 1,120 kilometers is reported in Nature this week. This achievement is made using entanglement-based quantum key distribution, a theoretically ...
General Physics
Jun 16, 2020
0
155
Researchers from Duke University have devised a method for estimating the air quality over a small patch of land using nothing but satellite imagery and weather conditions. Such information could help researchers identify ...
Environment
Apr 22, 2020
1
84
SpaceX said Friday that the first 60 satellites in its "Starlink" constellation, which is intended to provide internet from space, will be less and less visible from Earth as they reach their final orbit.
Space Exploration
May 31, 2019
24
265
Researchers in Italy have demonstrated the feasibility of quantum communications between high-orbiting global navigation satellites and a ground station, with an exchange at the single photon level over a distance of 20,000km.
Quantum Physics
Dec 19, 2018
0
1759
A joint China-Austria team has performed quantum key distribution between the quantum-science satellite Micius and multiple ground stations located in Xinglong (near Beijing), Nanshan (near Urumqi), and Graz (near Vienna). ...
Quantum Physics
Jan 19, 2018
1
1597
NASA called, and the Webb telescope responded. NASA's James Webb Space Telescope recently completed its Ground Segment Test Number 1 (GSEG-1), for the first time confirming successful end-to-end communication between the ...
Space Exploration
Jul 31, 2017
0
36
