Another 18 exoplanets have been added to the haul, but the difference this time is that all of them are roughly Earth-sized – much smaller than the Neptune-sized average found so far. The discovery was made in old data, using a new and more sensitive algorithm.
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Studies have shown that billions of years ago Venus might have been just as habitable as Earth. So what happened? New research has found that if ancient Venus was home to vast oceans, tidal drags may have slowed down the rotation of the planet and let it bake into the lifeless world we know today.
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According to research by planetologists at the University of Münster, the collision with a Mars-sized planetoid that formed the Moon 4.4 billion years ago brought with it almost all the water that makes our planet habitable.
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Members of the public can now sign up to have their name accompany NASA’s much anticipated Mars 2020 rover as it unravels the secrets of the Red Planet. The names will not be stored digitally within a chip, but instead etched upon one by scientists at NASA’s Jet Propulsion Laboratory in California.
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The cosmos is full of strange things, like planets made of diamond, mysterious radio bursts and quasars that shine like 600 trillion Suns. Now astronomers have spotted a bizarre star that may prove to be one of the rarest objects ever, with maybe as few as five or six of them in the galaxy.
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An examination of the tissues of rodents that orbited the Earth in a Russian spacecraft revealed that the reduced load on their joints caused the breakdown of cartilage and signs of arthritis-like degradation.
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Observations have shown that the “back” of the Moon has a thicker crust and an extra layer of material compared to the side that faces Earth. Now, simulations have revealed one possible, explosive explanation – an impact with a huge object early on in the Moon’s life.
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If there is a subsurface sea on Pluto, why hasn't it frozen solid? According to computer simulations devised by researchers from Japan’s Hokkaido University and elsewhere, it may be that the hypothetical Plutonian sea may remain liquid thanks to an insulating gas layer keeping in the heat.
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Fifty years ago and a quarter of a million miles away, three astronauts carried out the dress rehearsal for one of the greatest events in human history. On May 18, 1969, Apollo 10 lifted off. Its mission: to return to the Moon and pave the way for the Apollo 11 lunar landing two months later.
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Hubble has been photographing the cosmos for 30 years now, but it still manages to surprise us with some absolutely breathtaking shots. Case in point, the latest image shows the two-faced galaxy NGC 4485, which still bears the stunning scars of a close call with another galaxy millions of years ago.
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