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| + | anything does crawl or grow on these worlds, it bathes in mostly infrared light. The innermost planets receive several times as much energy from their star as Earth does from our sun,<a href=" " target="_blank">cheap air jordans< a>, which technically puts them outside the star’s habitable zone (<em>SN: 4 30 16, p. 36< em>). But the planets are huddled up so close to the star that gravity might keep them from spinning, creating a temperate zone along the line where day turns to night, the researchers suggest.< p><p>Faint red stars such as this one are the best place to look for warm rocky planets, says Nicolas Cowan, an astronomer at McGill University in Montreal. Planets, even small ones, are easier to see around these dim bulbs rather than sunlike stars. NASA’s planet-hunting Kepler space telescope has already shown that planets exist around similar stars,<a href=" " target="_blank">cheap jordans online< a>, but those are too far away to investigate further. “This [study] finds a nearby example,” says Cowan.< p><p>Being nearby is important for studying the atmospheres of such worlds, or learning whether they have atmospheres at all. They may not. Red dwarf stars take a long time to form; planets arise while their sun is still a puffy, temperamental ball of contracting gas. “That might bake off all the water and the atmosphere,” Cowan says. Astronomers won’t know,<a href=" " target="_blank">cheap retro jordans< a>, though, until they point some big telescopes toward these worlds.< p><p>The Hubble Space Telescope might be able to get<ul> | ||
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