Tagged With satellites

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The rarity of solar eclipses — around one every 18 months — provides a small window for scientists to research the phenomena, especially when you have to be in the right place at the right time to study them at all. The European Space Agency has come up with an ingenious way to get around this problem: launch a pair of satellites into orbit designed to create and analyse their own artificial eclipses.

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Two tiny cube satellites orbiting out of contact and out of control around the Earth since May have been rescued by a team of UNSW engineers. NASA, CSIRO, Optus and the Defence Department weren't able to help, but a Dutch sound technician with access to a satellite dish from the 1950s stepped in to save the day.

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The International Space Station will receive three Australian-designed cubesats today, with the launch scheduled for a little after 1pm AEST. Part of the QB50 project, the one-kilogram satellites will eventually make their way to Earth's lower thermosphere to conduct research that could impact everything from weather prediction to communications. Best of all, NASA will be livestreaming the launch from Cape Canaveral in Florida, starting from 12:45pm.

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To help celebrate the school's 200-year anniversary, students at the University of Michigan have decided to build a time capsule. Boring, right? Not exactly. Instead of burying it, which would inevitably lead to its contents rotting away, the students want to blast it into space where it will orbit the earth for 100 years, potentially giving it a better chance at surviving.

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Video: Nano-satellites are really cool. Like their name implies, though, they're not especially big; this one, despite being headed for a role as part of a planet-spanning global communications network, is barely longer than the arm of the person putting it together.

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Today, a four-stage Polar Satellite Launch Vehicle will blast off from India's southern spaceport with 104 satellites on board. Should all go well, the Indian Space Research Organisation will establish a new satellite delivery record for a single mission — and by a long shot.

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Optus owns and maintains the largest fleet of satellites across Australia, but at the same time the number-two telco can't rival its larger competitor Telstra for mobile network coverage in rural and remote parts of Australia. It makes sense, then, for Optus to boost its coverage in black spots using a series of small cells — lower-powered portable radio nodes that are much easier to install than a full mobile tower — that connect to its satellite network. And that's exactly what the company is doing.

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Earlier this autumn, Russian billionaire Yuri Milner casually announced his intention to develop spacecraft that can travel at up to 20 per cent the speed of light and reach Alpha Centauri within 20 years. From the outset, it was clear that no humans would be making the warp jump — the mission will involve extremely lightweight robotic spacecraft. A new fleet of tiny satellites hints at what those future interstellar voyagers will look like and be capable of.

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NBN's broadband satellite service, Sky Muster, is now being sold to customers via ISPs, and boasts an average end user speed of 25/5Mbps as part of its goal to bring high speed internet to regional Australia. The satellite launched in October last year, and has since been trialled by over 200 households in regional and remote areas — who now have access to better connection speeds than many Australian city-dwellers.