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We don't know that we are. There could easily be other civilizations - thousands or millions of them - in our galaxy or in others, but space is so immensely huge that we might not EVER know about it.
Imagine a beach. Imagine that each grain of sand on the beach is a solar system. We've explored (imperfectly) our single grain of sand. There are billions of stars in THIS galaxy, and billions of other galaxies beyond.
What else can I help you with?
Why is a space program important to astronomy?
Astronomy is about space, and the only way people will know about space is by exploring it. space programs help people learn about it.
How and what did you eat in space?
You eat only space food in space. This food is maintained specifically for the people that are going to space.
Why do people eat space food?
People eat space food in space only. It is because they need energy to perform various tasks.
Has a horse gone to space?
I don't think so. As far as the public people know the only animals that have reached outer space are dogs, monkeys, insects, fish, and people. There has never been a horse in space...
What kind of food eat in space?
People eat food in space which is giving them energy. Nutritious food full of vitamin is only there.
Is there Another Earth in space?
people believe that there is another earth but no there is only one earth
Why Space Needle cannot topple over?
because it is the only good thing that seattle people have.
Is Neil arm strong heard any voice on moon?
Nope. None @ All. Only the space agency they are the only people.
How bad is the space?
How bad is the space? people have ejected garbage into space so i think its pretty bad yo yo my dawgs names pooie bear wow fagets only care
What are the types of space ships?
There are currently only two main types of space ships that people use. One is a small capsule that holds just a few people, such as those used in the Apollo and Gemini programs. These are used only once. The other type is a reusable craft that has wings and can carry more cargo, such as the space shuttle.
How many people have seen the the sun in outer space?
534-528 (definition of "space" vary) different people from 35 separate nations (only 11 have more then 1 traveler). Only 57 of them female. 332 (68.2%) are from the US, 113 from Russia (21.5%). Only 24 people have ever left earth.
How many people are up in space?
there are 60000000 people in space
