Engineering
NASA's first two-way laser relay system completed its first year of experiments on June 28—a milestone for a game-changing technology that could be the future for sending and receiving data from space.
Jun 29, 2023
0
1
Other
On May 11, 2020, a deadly threat flew from Los Angeles to New York City in under nine minutes. It was a 20-ton Chinese Long March 5B rocket body passing around 60 miles overhead.
Mar 30, 2023
0
24
Electronics & Semiconductors
On-chip distributed radiation sensors and current-sharing techniques can be used to reduce the impact of radiation on the radio and power consumption of small satellites, respectively, as shown by scientists from Tokyo Tech. ...
Feb 21, 2023
0
7
Engineering
The US military has now shot down four high-altitude objects that had entered American and Canadian airspace, raising questions about their purpose and origin.
Feb 15, 2023
0
31
Business
Carlsbad, California's Viasat said Tuesday that it expects to begin launching its next-generation broadband Internet satellite constellation early next year—marking another delay in getting the terabyte-class satellites ...
Nov 9, 2022
0
22
Energy & Green Tech
Solar power gathered far away in space, is seen here being transmitted wirelessly down to Earth to wherever it is needed. ESA plans to investigate key technologies needed to make Space-Based Solar Power a working reality ...
Nov 9, 2022
0
5
Telecom
An advanced broadband satellite that can offer high-speed internet connectivity anywhere on Earth is ready to enter its final assembly ahead of launch.
Nov 9, 2022
0
41
Telecom
A team of Western Australian researchers have found a way to avoid the need to use radio transmitters in critical communications, using new technology featuring super-fast optical lasers.
Nov 9, 2022
0
669
Hardware
Most space satellites are powered by photovoltaic cells that convert sunlight to electricity. Exposure to certain types of radiation present in orbit can damage the devices, degrading their performance and limiting their ...
Nov 8, 2022
0
70
Telecom
The first satellite to be built under ESA's Eurostar Neo program has launched.
Oct 17, 2022
0
7
In physics, an orbit is the gravitationally curved path of one object around a point or another body, for example the gravitational orbit of a planet around a star.
Historically, the apparent motion of the planets were first understood in terms of epicycles, which are the sums of numerous circular motions. This predicted the path of the planets quite well, until Johannes Kepler was able to show that the motion of the planets were in fact elliptical motions.[citation needed] Isaac Newton was able to prove that this was equivalent to an inverse square, instantaneously propagating force he called gravitation.[citation needed] Albert Einstein later was able to show that gravity is due to curvature of space-time, and that orbits lie upon geodesics. This is the current understanding.
This text uses material from Wikipedia, licensed under CC BY-SA
