If you were hoping to see the “mini moon,” you’ve probably been disappointed. But experts say the asteroid was an important milestone in planetary defense research.

You may have heard by now about Earth getting a second moon starting next week. I am going to be honest with you right out of the gate - this is not going to be as exciting as it sounds. First, let's start with what is happening.

Though it can’t be seen with the naked eye or binoculars or a home telescope, but it can be visible to professional equipment because of its small size and made of dull rock.