Space
Stars can start shining at a smaller mass than we thought
Objects with only 6.7 per cent of the sun’s mass can be stars, according to a fresh measurement of how massive an object must be to achieve nuclear fusion
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Space
Watch Cassini’s first two dives between Saturn and its rings
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Space
Marvel at the images from Cassini’s first Grand Finale orbit
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Space
First look at images from Cassini’s dive between Saturn’s rings
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Space
Melting moons could support liveable atmospheres for aeons
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Space
Joint mission to Europa could seek life under the ice
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Space
Icy Enceladus’s tiger stripes are a window on its watery depths
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Space
Quickest we could visit another star is 69 years – here’s how
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Space
Satellite swarms could increase space junk risk by 50 per cent
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Physics
Many tiny galaxies could host mammoth black holes
The discovery of the second and third known ultra-compact dwarf galaxies with gargantuan black holes at their cores suggests such a mass mismatch may be common
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Space
Saturn’s flying saucer moon Atlas has a smooth fluffy edge
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Space
Mars’s atmosphere hosts metal layers that shouldn’t exist
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Space
Water telescope uses gamma rays to track new kind of pulsar
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Space
NASA funds radical Pluto hopper and cosmic echolocation concepts
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