Ty 1) This is really a simple puzzle. Are thereother types of life out there in the universe?possible to travel to the other universe toFrank Drake, an astrophysicist, thinks thatyour favourite singer's concert, 4) How did the universe begin? The uni-it only one in billion planets has living verse includes everything that we know, things, then there must/may be over 6 including time. But what was there beforebillion planets with living things on them. the beginning of the universe? DifferentEnrico Fermi, however, says that if life is studies talk about the "Big Bang", whichthat usual, then why we have not had any started the universe from a single point. Itsigns of other kinds of life in the universe. happened around 13.8 billion years ago2) Astrophysics knows a lot about what But it did not simply appear from nothing.our universe consists of. But in fact, we can There was the Big Bang not in space but ofonly see about 4% of the universe. The space. The Big Bang created the universe.models of the universe show there must/ What started the Big Bang? Where did allmight be a lot of matter which we do not the energy and matter come from?see or "dark matter". This word means that 5) There are several opinions about howwe have no idea of what it is. It is made of the universe will die. There are several ways.different type of matter and it reacts with According to the first idea, the universe willlight and other matter in a different way. continue growing and, in the end, it will3) The astrophysicists think there could/ become a cloud of thin dust. Another way ismust be many universes, which are in the that the universe will fall back into a singlesame space and time as our universe. These point, which may start another big bang. Inuniverses may/must have their own history general, nothing will happen to the universeand laws of physics. This is not a fact for for more than 20 billion years from now.the moment, but some day it may/must beWritten by Glen Taylor​