IFLScience on MSN2 天
The First Comet We Ever Saw Slam Into Jupiter May Have Left It With A New Ring
The rings of Jupiter might not be as spectacular as Saturn’s (whose are?) but they are there. However, one of them may not ...
Astronomers discover more dark comets
The first dark comet—a celestial object that looks like an asteroid but moves through space like a comet—was reported less ...
Newsweek1 个月
Rosetta-Philae Probe: How Humans Touched Down on a Comet for the First Time
Tuesday marks the tenth anniversary of a huge astronomical milestone: the first and only time we have landed on a comet. The Rosetta probe's lander Philae landed on Comet 67P/Churyumov-Gerasimenko ...
TweakTown3 天
NASA discovers seven objects that look like asteroids but act like comets
NASA has announced the discovery of seven astronomical objects that come in two flavors; they look like asteroids but ...
Space on MSN4 个月
Saturn threw a comet out of the solar system at 6,700 mph. Here's how
The first was Comet C/1980 E1 (Bowell), which ... When the team behind this discovery first analyzed the icy space rock, they ...
NASA-Led Team Links Comet Water to Earth’s Oceans
Scientists say cometary dust affects interpretation of spacecraft measurements, reopening the case for comets as potential ...