SpaceX, OneWeb, Amazon and more have plans to launch tens of thousands of internet satellites in the next decade.
Category: satellites – Page 145
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Posted in satellites, solar power, sustainability
Calling all radio amateurs! Weâre challenging anyone with amateur radio equipment to catch the first signals from #OPS âSAT, ESAâs brand new space software lab. On 17 December, OPS-SAT will be launched into space with ESAâs #Cheops exoplanet satellite.
Once launched, the satellite will deploy its solar panels and ultra-high frequency antenna, and then start to send signals back home. Could you be the first on Earth to catch them? ESAâs mission control team in Darmstadt are asking for your help to find the fledgling #CubeSat đ http://www.esa.int/Enabling_Support/Operations/Calling_radioâŠnd_OPS-SAT
China launched the Gaofen-7 imaging satellite in November, and the country has just shared the first of its high-resolution, 3D shots. The satellite is sensitive enough to height that it should be able to spot a single person from 500 kilometers up.
Gaofen-7 is the latest in a planned series of 14 satellites intended to overhaul Chinaâs orbital imaging capabilities. Companies like Planet are lofting hundreds of satellites to provide terrestrial businesses with up-to-date imagery, so itâs natural that China, among other countries, would want to have their own.
Already the Gaofen project has led to a huge reduction in reliance on foreign sources for this critical data, which as frictions in other areas of technology have shown, may not always be possible to rely on.
SpaceX has said it is taking measures to tackle some of the concerns raised by astronomers about its Starlink constellation, as it gears up to launch more than a thousand satellites in the next 12 months.
The companyâs Starlink mega constellation, which will add up to 42,000 satellites to orbit (only 2,000 active satellites in total orbit Earth today) to beam high-speed internet around the globe, has been taking shape in 2019. The company launched its first 60 satellites in May, followed by a second launch in November.
A third launch is planned in late December, and a fourth in January â with 24 in total planned by the end of 2020. The company hopes to launch 60 Starlink satellites roughly once every two weeks, adding more than 1,500 satellites to orbit by the end of next year alone.
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The case for creating a United States Space Force is compelling. The United States militaryâs ability to wage war has become increasingly reliant on satellites. Navigation, reconnaissance, and communications are all handled by space assets. The world economy has become dependent on space satellites. The Internet consists of servers throughout the world linked by satellite constellations. Knock out those satellites and commercial companiesâ ability to do business becomes seriously compromised. The space version of Pearl Harbor could reduce the United States to developing-world status in a single blow.
China and Russia, the main enemies of the United States in a potential conflict, are busily developing weapons systems to destroy Americaâs space infrastructure. Indeed, remote jamming may well do the job without resorting to a direct strike. The potential for jamming is a reason why Pence mentioned the development of jam-proof satellites in his speech. In all, Pence proposed an investment of $8 billion in new space systems during the next five years. The money is likely to be just a down payment for creating a new military branch that would achieve President Trumpâs dream of achieving American space dominance.
The idea of a United States Space Force brings science fiction visions of American military personnel doing battle against an enemy in space. Indeed, the joke that has become common on social media is that President Trump is proposing to create nothing less than Star Fleet, the organization made famous in the Star Trek franchise of movies and TV shows.
COLORADO SPRINGS, CO. â Itâs not easy to get into the GPS room. A security cocoon typical of U.S. military installations protects Schriever Air Force Base in Colorado, but the windowless home of the 2nd Space Operations Squadron (2SOPS) lies within the baseâs ârestricted access area.â A gatehouse, extra vehicle barriers, armed guards, monitored communication channels, and a total ban on smartphones stand between the outside world and the place where the U.S. Air Force operates the GPS satellite constellation.
Inside youâll find a hallway lined with keypad-controlled doors. Behind each is a room with 10-person teams who fly satellites. The rooms are staffed around the clock. The 2SOP squadron not only runs the constellation that provides global navigation and precise time data to civilian and military users.
âWhether itâs the public or our other military users, they tend to think of space as a magic box that you turn on and everything just works,â says 1st Lt. Morgan Herman, Assistant Weapons & Tactics Flight Commander. âThey donât always realize how actively we have to manage the constellation.â
As the number of satellites and space junk in orbit continues to increase, so do the chances of these human-made objects colliding with one another, potentially creating more debris that could threaten other healthy spacecraft. Now, a new tool shows just how crowded Earth orbit is by tracking space objects through their close calls every couple of seconds.
Called the âConjunction Streaming Service Demo,â the graph tool illustrates in real time the sheer number of space objects â out of an assortment of 1,500 items in low Earth orbit â that get uncomfortably close to one another in a period of 20 minutes. While the X-axis keeps track of the time, the Y-axis shows the short distance between two approaching space objects, ranging from five kilometers to the dreaded zero kilometers. On the graph is a series of arcs demonstrating when two pieces of debris rapidly move toward one another, make their closest approach, and then speed away.
Using Balloons to Launch Rockets
Posted in satellites
LEO Aerospace is developing a âRockoonâ system that will provide commercial launch services for microsatellites, as well as a platforms for conducting everything from scientific research to emergency rescues.
Thousands of âdeadâ satellites are floating in space and pose a âvery big dangerâ to humanity, the head of the European Space Agency (Esa) has warned.
Speaking at the agencyâs ministerial council in Seville, Jan Worner said that of almost 4,500 satellites in orbit, only 1,500 are active.
Space scientists are concerned that defunct satellites could hit other satellites or the International Space Station (ISS), which would then cause more debris, setting off a catastrophic chain reaction that could wipe out telecommunications systems â a phenomenon known as Kessler Syndrome.