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A small star is eating a brown dwarf so slowly that the meal could last billions of years, and the two orbit each other every 87 minutes inside a space that would fit within the Sun
In an impossibly tight orbit, a brown dwarf is slowly feeding a small red star, in a meal that could last hundreds of millions of years or more. The post A small star is eating a brown dwarf so slowly that the meal could last billions of years, and the two orbit each other every…
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The coastwide Atlantic sturgeon abundance index has risen steadily since 2013, while the Hudson’s own Atlantic juvenile index has declined in recent years.
ASMFC's 2024 update finds the coastwide Atlantic sturgeon index rising since 2013, while New York's Hudson juvenile index has declined in recent years. The post The coastwide Atlantic sturgeon abundance index has risen steadily since 2013, while the Hudson’s own Atlantic…
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Astronauts on the Moon could shelter from radiation, micrometeoroids and extreme temperatures inside a lava tube, and NASA is sending a suite called GIMLI to scan beneath the Marius Hills Pit to see whether the pit opens into one
Underground caverns could offer lunar explorers their first true shelter, if a buried tunnel system actually exists beneath the volcanic landscape where NASA is about to look. The post Astronauts on the Moon could shelter from radiation, micrometeoroids and extreme temperatures…
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In 1965 an astronaut smuggled a corned beef sandwich into orbit, and NASA’s chief asked if he should be disciplined
John Young's hidden corned beef sandwich on Gemini III reached NASA's budget hearings, where James Webb called it an inadequate performance and Robert Gilruth defended the crew. The post In 1965 an astronaut smuggled a corned beef sandwich into orbit, and NASA’s chief asked if…
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A buried crater under the town of Ames, Oklahoma, that produces oil and gas was dated to the wrong era by about 100 million years, and its new age of about 370 million years puts it close to a mass extinction that wiped out much of the sea’s life
Zircon dating moves the buried Ames impact in Oklahoma to about 370 million years ago, close in time to the Late Devonian mass extinction, UT Austin researchers report. The post A buried crater under the town of Ames, Oklahoma, that produces oil and gas was dated to the wrong…
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Nobody can agree where space starts, and the 20 kilometres in dispute now matter to astronaut wings, space tourism and hypersonic weapons
The 100 km Kármán line is a 1960 convention, the physics gives different answers depending on the question, and the band in dispute now has customers and weapons in it. The post Nobody can agree where space starts, and the 20 kilometres in dispute now matter to astronaut wings,…
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In 1967 the Americans had a spare rocket at Woomera, and Australia built a 45-kilogram satellite to fly on it in eleven months
A Cold War castoff and eleven months of improvisation launched Australia into the space age—and almost didn't. The post In 1967 the Americans had a spare rocket at Woomera, and Australia built a 45-kilogram satellite to fly on it in eleven months appeared first on Space Daily .
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MIT built a ring of copper wire around Earth in 1963, and more than 20 clumps of it are still in orbit
The loose copper hairs of Project West Ford fell back within a few years. The clumps that never came apart are another story: two public satellite catalogues still list about three dozen in orbit. The post MIT built a ring of copper wire around Earth in 1963, and more than 20…
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A Dutch schoolteacher clicking through galaxy images on a volunteer website in 2007 flagged a green smudge she couldn’t identify and asked what it was. It turned out to be a cloud of gas lit by a quasar that had already switched off, and astronomers named the object after her.
An amateur astronomer's casual observation became a cosmic mystery that still puzzles scientists today. The post A Dutch schoolteacher clicking through galaxy images on a volunteer website in 2007 flagged a green smudge she couldn’t identify and asked what it was. It turned out…
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To reach Jupiter, Juice took a detour past Venus, then returned to Earth on 28 September for a successful gravity boost while using our Moon to rehearse the navigation it will need around Jupiter’s icy moons.
Juice used Earth's gravity on 28 September to turn its path and add 3.5 kilometres per second, while Moon-limb images tested the optical-navigation technique intended for close flybys in the Jupiter system. The post To reach Jupiter, Juice took a detour past Venus, then returned…