Seen here is a caldera, a rare type of lunar crater. The caldera of Hyginus and the accompanying rilles (channels) on both sides are actually collapsed volcanic features! Continue reading “The collapsed crater of Hyginus”
Seen here are 23 small, similarly sized craters formed in a line! What caused this crater chain?
On the boundary of the mountainous highlands and the solidified lava plains of Oceanus Procellarum lies the lava-flooded Letronne crater. Continue reading “The lava-flooded crater of Letronne”
Seen here is the 86 km wide Tycho crater, with a central peak! Continue reading “Mountain in a crater! – Tycho”
On the Moon’s surface lie a set of bizarre looking features called Irregular Mare Patches, or IMPs. Here’s one, called Ina.