by In their hunt for elusive exomoon candidates, astronomers have looked at 70 cool gas giants found by NASA’s Kepler space telescope.
They’ve found only one signal that could indicate an exomoon, about 2.6 times larger than Earth, orbiting a Jupiter-sized exoplanet called Kepler-1708b.
Named Kepler-1708b-i, it joins Kepler-1625b-i as another example of an unexpectedly large exomoon candidate — echoing the surprise that hot-Jupiter discoveries elicited in the mid-1990s.
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They’ve found only one signal that could indicate an exomoon, about 2.6 times larger than Earth, orbiting a Jupiter-sized exoplanet called Kepler-1708b.
Named Kepler-1708b-i, it joins Kepler-1625b-i as another example of an unexpectedly large exomoon candidate — echoing the surprise that hot-Jupiter discoveries elicited in the mid-1990s.
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