... Irregular Galaxy NGC 55 . ... Irregular galaxy NGC 55 is thought to be similar to the Large Magellanic Cloud (LMC). But while the LMC is about 180,000 light-years away and is a well known satellite of our own Milky Way Galaxy, NGC 55 is more like 6 million light-years distant and is a member of the Sculptor Galaxy Group. Inside Barringer Meteor Crater . ... What happens when a meteor hits the ground? ... Just as rainbows are lit by the Sun, moonbows are lit by the Moon. ...