An enormous number of near-Earth asteroids (NEAs) orbit around the sun, and among them, 2,072 NEAs are recorded in the Minor Planet Center (MPC) database as potential hazardous near-Earth asteroids (PHAs). These PHAs frequently ...
Astronomy
Oct 17, 2022
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17
It is often argued that the UK is the most surveilled country on the planet. This may or may not have been the case in the past but there are certainly now millions of surveillance cameras in public spaces—not to mention ...
Security
Jun 18, 2019
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San Francisco supervisors will vote on surveillance oversight legislation Tuesday that includes a ban on the use of facial recognition technology by police and other city departments.
Security
May 14, 2019
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The RemoveDEBRIS satellite has successfully used its on-board net technology in orbit – the first demonstration in human history of active debris removal (ADR) technology.
Space Exploration
Sep 19, 2018
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An uncontrolled Chinese space station weighing at least seven tonnes is set to break up as it hurtles to Earth on or around April 1, the European Space Agency has forecast.
Space Exploration
Mar 27, 2018
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169
ESA operates its Optical Ground Station (OGS) at the Teide Observatory on Tenerife, Spain, where a Zeiss 1 m-diameter telescope is used to survey and characterise objects near the 'geostationary ring' some 36 000 km above ...
Space Exploration
Apr 14, 2017
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7
Radar images of asteroid 2017 BQ6 were obtained on Feb. 6 and 7 with NASA's 70-meter (230-foot) antenna at the Goldstone Deep Space Communications Complex in California. They reveal an irregular, angular-appearing asteroid ...
Space Exploration
Feb 13, 2017
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76
Space debris poses a growing threat to satellites and other spacecraft, which could be damaged in the event of a collision. A new German space surveillance system, schedu- led to go into operation in 2018, will help to prevent ...
Space Exploration
Jul 1, 2015
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27
Space surveillance is inherently challenging when compared to other tracking environments due to various reasons, not least of which is the long time gap between surveillance updates. "Unlike the air and missile defense environments ...
Mathematics
Sep 22, 2014
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0
A team of Lawrence Livermore National Laboratory scientists are using mini-satellites that work as "space cops" to help control traffic in space.
Space Exploration
Jan 22, 2014
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