You might think of asteroids as just rocks of various sizes floating around in space. But they’re vastly more complex than that: they show an incredible diversity in size, shape, composition and even the way they change over time.

It won't be there forever, but Earth will have a second moon when a small asteroid begins to orbit the planet later this month, space researchers have announced.

Tiny asteroid will be pulled in by gravity between Sep. 29 and Nov. 25, however will not be discernible via basic telescopes; celestial object expected to return only in 2055 The post Asteroid set to temporarily become Earth’s ‘second moon’ appeared first on The Times of Israel.