Diabytes
TRAPPIST-1 News
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The Selfies app and Exoplanet Excursions virtual reality app also provides information about the science behind these stunning images.
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The form that water would take on TRAPPIST-1 planets would depend on the amount of heat they receive from their star, which is a mere nine percent as massive as our Sun.
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The planets studied are referred to by letter, planets b through h, in order of their distance from the star.
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To estimate whether there might be water on the seven earth-sized planets orbiting TRAPPIST-1, the astronomers used observations from the Hubble Space Telescope – a project of international cooperation between European Space Agency and NASA.
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It is unclear what this older age means for the planets' habitability.
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They were detected by observing the wobbles in the movement of tau Ceti.
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Astronomers studying NASA's Kepler Space Telescope identified a regular pattern in the orbits of the planets in the TRAPPIST-1 system, confirming suspected details about the orbit of its outermost and least understood planet, TRAPPIST-1h.
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Triggering a new research into this path-breaking finding of TRAPPIST-1 planets, researchers led by Sebastiaan Krijt, a postdoctoral scholar at the University of Chicago, analysed whether life forms from one planet can seed life in other planets, owing to their closeness.
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Kepler has managed to detect a change in brightness when a planet passes in front of a star from the vantage point of the telescope.
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Scientists believe the release of the raw, uncalibrated data collected will aid astronomers in preparing proposals due this month to use telescopes on Earth next winter to further investigate TRAPPIST-1.
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The idea that hydrogen can warm a planet is not new, but an Earth-like planet cannot hold onto its hydrogen for more than a few million years.
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The first known system of seven Earth-sized planets around a single star was made using the US space agency NASA's Spitzer Space Telescope.
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The star hosting the seven exoplanets isn't being talked about much, but holds equal importance since it is the body the new planets are orbiting.
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Fascinatingly, at least three of the seven rocky worlds represent the “holy grail for planet-hunting astronomers” as they are firmly located in the 'habitable zone'.
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The US space agency NASA has discovered another 'solar system' - seven Earth-like planets orbiting a small star in a galaxy 40 light years away.
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