Astronomers have found hydrogen contamination in the atmospheres of helium white dwarfs – but where in the world/universe is it coming from?! The authors of today’s astrobite perform statistical tests to see if the source of this pesky hydrogen could be water-bearing rocky bodies out in space.
Abundance analysis, or chemical tagging, is widely use to identify stars with a common birth. But is a similar abundance alone enough to identify siblings? Can’t stars have doppelgangers?
A star that spins fast enough to throw off its atmosphere, and a hint at how it got that way.
Clever data analysis reveals the existence of water on the first planet ever discovered orbiting a Sun-like star.
A Happy New Year from everyone at Astrobites! Read on to find out about our fun events, collaborations and top-read articles in the last 12 months!
Today’s paper presents new observations of the central star of the Kepler-11 system, which, despite having a planetary system utterly unlike the Solar system, is nearly identical to the Sun.