Space.com2 小时
Mars could have an ocean's worth of water beneath its surface, seismic data suggest
Seismic readings of the interior of Mars strongly suggest large quantities of water buried 6 to 12 miles underground.
Space.com20 小时
This butterfly-shaped nebula owes its structure to 2 chaotic young stars
Powerful jets and radiation winds from two protostars are slamming into the nebulosity around them, sculpting the nebula.