Orbit
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Space flight requires quite a lot of single-use machinery, and that gets expensive and wasteful. Now ESA has outlined its reusable Space Rider capsule, which would carry scientific equipment to the edge of space and back several times over.
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Hungarian astronomers have spotted two new pseudo-satellites – in the form of clouds of dust – caught in the gravitational tug-of-war between the Earth and the Moon.
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With dozens of moons whizzing around Jupiter, it makes sense that a few have slipped under the radar, but the latest discovery is still a surprisingly large haul. Astronomers have announced the detection of 12 new moons orbiting Jupiter, including one particularly reckless “oddball.”
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‘Oumuamua is the first interstellar visitor ever detected passing through our Solar System, and while it was originally classed as an asteroid after its discovery, astronomers have now updated the label. ‘Oumuamua, it turns out, is a comet after all, but it’s unlike any other known comet.
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An international team of astronomers has discovered an asteroid sharing Jupiter's orbit, that appears to have originated from another solar system. The imaginatively named asteroid 2015 BZ509 could have immigrated to our system at a time when our Sun was still embedded in a colossal star cluster.
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Models have long suggested that Earth's orbit shifts from circular to elliptical and back again over hundreds of thousands of years, which plays a part in natural climate swings. Now, scientists have found the first physical evidence for the cycle, and traced it back to before the dinosaurs.
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Space tourism has been long touted as 'coming soon', but the only opportunity to buy your way into space were rare private trips to the International Space Station with price tags of US$20 million. Now Orion Span has revealed Aurora Station space hotel, promising an ambitious 2022 opening date.
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The gargantuan Stratolaunch dual-fuselage aircraft, with a wingspan of 385 ft (117 m), is one step closer to reaching the skies after it recently completed a second taxi test that saw it hit a speed of 46 mph (74 km/h) as it stormed down a runway in Mojave, California.
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On this day 60 years ago, America became the second country to send a human-made object into low-Earth orbit, with the successful launch of its first satellite – Explorer 1.
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Four years ago, the Dream Chaser's first glide and landing test ended in a crash after its landing gear failed to deploy correctly. Since then, the reusable spaceplane has undergone a complete refurbishment and finally achieved its first successful flight and landing on Saturday.
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Thousands of exoplanets have been spotted by looking for “transits” as light from the host star dips when a planet passes in front of it. Now scientists have examined whether Earth could be detected by other civilizations using the same technique, and 68 known exoplanets are in prime positions.
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Supermassive black holes lie at the center of most galaxies, but 750 million light-years away, 0402+379 boasts two of them – and one appears to be orbiting the other. The discovery is the result of 12 years of observation, marking the first time the phenomenon has been directly seen.
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