Case of the missing Nitrogen on Comet 67P
Ammonium salts have been discovered on Comet 67P! This discovery helps solve a big mystery about the nitrogen content on the comet, which was previously measured to be lower than expected.
Ammonium salts have been discovered on Comet 67P! This discovery helps solve a big mystery about the nitrogen content on the comet, which was previously measured to be lower than expected.
Using a spectrometer on the Hubble Space Telescope, astronomers have detected sodium chloride, a.k.a., table salt, on the surface of Europa!
Gas giant planets are most common around metal-rich stars. But are the planets themselves also metal-rich?
The planet K2-229 b surprises us with its unique abundances. While its composition is similar to that of Mercury, it is larger and closer to its star.
Artist’s impressions of exoplanets are often wrong!
A new model explains Mercury’s major density with magnetism.