Imagine the biggest thing you can think of--now imagine something bigger that hasn't even stopped growing. That is the universe. Our own galaxy, the Milky Way, though enormous, is a tiny speck among the 100 billion galaxies containing nebulas, planets, "space pods,"...
Have you ever tried to imagine the vastness of the universe? There are as many stars in the universe as there are grains of sand on all the beaches of the world. The universe is everything that exists, now and in the past. Once again, noted science writer Seymour Simon takes...
Imagine the biggest thing you can think of--now imagine something bigger that hasn't even stopped growing. That is the universe. Our own galaxy, the Milky Way, though enormous, is a tiny speck among the 100 billion galaxies containing nebulas, planets, "space pods,"...