Space


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One thousand years. That is the minimum length of time it would take us to get to the nearest star – Proxima Centauri – using current methods. But since we discovered that this star houses a potentially habitable planet, scientists have been more enthusiastic about the idea of interstellar travel than ever before.   “It’s
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Since we first spotted the TRAPPIST-1 system in February, scientists have been scrambling to learn more about these seven rocky planets circling around their red dwarf star – but research suggests the planets aren’t as hospitable as we’d hoped. Two more reports on TRAPPIST-1 again identify challenging conditions that would make it difficult for extraterrestrial
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Some 5,000 light-years from Earth, there’s a bizarre and mysterious nebula that clocks an average temperature of just 1 Kelvin (−272.15 °C or −457.87 °F), making it the coldest natural object in the known Universe. For decades, scientists have struggled to explain how this otherwise unremarkable cloud of gas maintains temperatures colder than empty space
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The effects of zero gravity on the human body are taxing, regardless of gender, and NASA has found no differences between men and women in terms of their psychological and behavioural responses to space flight. But sex does seem to have a role in how being in space for long periods of time affects astronauts’ bodies.   In June
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For the third time in two years, physicists have detected ripples in the fabric of spacetime, called gravitational waves, that Albert Einstein predicted the existence of more than 100 years ago with his theory of general relativity. “Einstein continues to rock, in the sense that we keep pushing the boundaries of his theory,” Vicky Kalogera, an astrophysicist at Northwestern
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Scientists have found new evidence to support the idea that matter vanishes completely when it falls into a supermassive black hole, suggesting Einstein was right about these unquenchable voids lurking throughout the Universe. The findings show that black hole event horizons – the invisible barriers beyond which nothing can escape the intense pull of gravitational
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Summer soon arrives, and the big planets Jupiter and Saturn will entertain evening onlookers, Venus will distract morning dog walkers and Mars starts a season-long hiatus. Catch a fattening, waxing moon as it approaches the bright Jupiter (-2.2 magnitude) in the southern sky on the evening of June 2 and then scooting past the planet June 3. Our lunar neighbour sails over the star Spica on