![]() Scientists believe that our solar system was formed over 4.6 billion years ago.Venus has temperatures over 450 degrees C and is listed as the hottest planet in our solar system.The last time it was visible from Earth was in 1986 and the next time will be in 2061. Halley’s Comet only enters our inner solar system every 75 years.Our sun is over 300,000 times bigger than the Earth.As we continue to explore we will find that space and the universe brings exciting concepts that astound the imagination. We began sending rockets into space in the 1960s and here we are, only sixty years later, watching images sent back from space missions to Mars, asteroids, and comets, and astronauts living in the space station that orbits our Earth.Īlong the way, we have learned a lot about space that changed previous ideas and gave us entirely new ones. In the last number of years we have learned more about space than at any other time in history. Many cultures have created stories, myths, and songs about space, imagining creatures of all types from angry to friendly. As long as human beings have been looking into the night sky, we have been wondering what is out there.
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