THE UNIVERSE Information regarding the appearance of the universe as a whole, its origins, and how it evolved is limited, but by measuring the radiation coming from celestial bodies in combination with knowledge about the physical laws, scientists are able to create models of the universe, which are assessed by how well they match observational … Read more
Discovery Space: ASTRONOMY The magnificent, starry sky has always inspired the human imagination. A growing understanding of geography, mathematics, and physics over the millennia has ensured that astronomy has never lost its ability to help us explore new realms of the unknown. Today, modern technology continues to drive this age-old cosmic search. From the beginnings … Read more
Discovery Space: Universe And Galaxies Just by looking at the stars, one can get an idea of how infinitely large the universe must be. Countless stars and galaxies are scattered all over this enormously vast space, with immense distances between one another. Today’s scientists use radiation emitted from space, as well as state-of-the-art telescopes to … Read more
Facts At Your Fingertips: Matter and materials – Changing states A substance may not always remain in the same state of matter. It can change state when it is at different temperatures. For example, a solid can become a liquid if it becomes hot enough and a liquid may become a solid if it is … Read more
Did You Know: Space – Will we go back to the moon? People haven’t visited the moon since 1972. However, since then we have sent spacecraft there and learned a lot more about the moon. There are plans for astronauts to return to the moon in the future and build a base, where they could … Read more
Did You Know: Space – Can you go on vacation to space? So far, fewer than 600 people have traveled into space. Of those, only a few have not been scientists. At the moment, lots of companies are developing new ways to send us on space vacations. Wish you were there… One day you could … Read more
Did You Know: Space – What is space mining? Space is full of things that could be useful to humans. Asteroids, for example, have the ingredients that we could use to make rocket fuel. In the future, humans may mine, or dig, on asteroids to find these ingredients and help us explore farther into space. … Read more
Did You Know: Space – Is there anyone else out there? So far we have only found life on Earth, but the universe could be full of life we haven’t yet discovered. An organization called SETI (Search for Extra-Terrestrial Intelligence) is trying to find out if there is anyone else out there. Allen Telescope Array … Read more
Did You Know: Space – What is space junk? Everywhere humans go, they leave garbage—and that includes space! Space junk is the garbage left over from things we have sent into space. These things are either broken or no longer needed. There are millions of pieces of space junk orbiting our planet. Parts of rockets … Read more
Did You Know: Space – How far have we traveled in space? Humans have sent spacecraft to visit every planet in the solar system, as well as the dwarf planet, Pluto. We have also visited the asteroid belt, landed on a comet, and seen the moons of other planets up close. Jupiter Several spacecraft have … Read more
