Internet
In a move as rogue-ishly provocative as his moonshot, Elon Musk is inserting himself into the drama of international conflict by bolstering Ukraine's internet connection to the outside world.
Mar 16, 2022
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Security
Thousands of internet users across Europe have been thrown offline after what sources said Friday was a likely cyberattack at the beginning of Russia's offensive in Ukraine.
Mar 4, 2022
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Telecom
Elon Musk said Saturday his company SpaceX's Starlink satellite broadband service had been activated in Ukraine, after a Kyiv official urged the tech titan to provide his embattled country with stations.
Feb 27, 2022
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Internet
On Thursday, SpaceX launched 48 Starlink satellites into orbit off the coast of Florida. From Arizona to Alabama, people could spot glimmers in the sky as the satellites orbited the Earth's atmosphere.
Dec 6, 2021
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Energy & Green Tech
Air passengers will soon be able to cut their carbon footprint when traveling on flights that are routed using satellites.
Oct 27, 2021
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Telecom
Increasing the amount of trains on Europe's tracks to replace other modes of transport could help reduce CO2 emissions and air pollution. But fitting more trains requires a serious rethink of how trains brake and could move ...
Aug 10, 2021
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Telecom
Protected Satellite Communications (SatComs) exhibit specific characteristics such as security, intelligence, anti-jamming, and nuclear disaster survivability. They constitute one of the key research topics in modern communications. ...
Jun 22, 2021
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Business
Apple on Thursday announced a $200 million fund to invest in timber-producing commercial forestry projects, with the goal of removing carbon from the atmosphere while also generating profit.
Apr 16, 2021
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Business
Much like they did with cable in the 1980s and satellite television in the 1990s, the NFL on Thursday made another significant transition in the way its games are viewed.
Mar 19, 2021
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Computer Sciences
Skoltech scientists have developed an algorithm that can identify various tree species in satellite images. Their research was published in the IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing.
Jan 28, 2021
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In the context of spaceflight, a satellite is an object which has been placed into orbit by human endeavor. Such objects are sometimes called artificial satellites to distinguish them from natural satellites such as the Moon.
The first artificial satellite, Sputnik 1, was launched by the Soviet Union in 1957. By 2009 thousands of satellites have been launched into orbit around the Earth. These originate from more than 50 countries and have used the satellite launching capabilities of ten nations. A few hundred satellites are currently operational, whereas thousands of unused satellites and satellite fragments orbit the Earth as space debris. A few space probes have been placed into orbit around other bodies and become artificial satellites to the Moon, Venus, Mars, Jupiter and Saturn.
Satellites are used for a large number of purposes. Common types include military (spy) and civilian Earth observation satellites, communication satellites, navigation satellites, weather satellites, and research satellites. Space stations and human spacecraft in orbit are also satellites. Satellite orbits vary greatly, depending on the purpose of the satellite, and are classified in a number of ways. Well-known (overlapping) classes include low Earth orbit, polar orbit, and geostationary orbit.
Satellites are usually semi-independent computer controlled systems. Satellite subsystems attend many tasks, such as power generation, thermal control, telemetry, attitude control and orbit control.
This text uses material from Wikipedia, licensed under CC BY-SA
