| absurd |
of, showing, or having to do with the belief that there is no meaning or order in life or in the universe. [1/2 definitions] |
| astronomer |
a scientist who studies the universe beyond the earth. |
| astronomy |
the branch of science that studies the universe beyond the earth. |
| atom |
the smallest possible unit of a chemical element. The major parts of atoms contain protons, neutrons, and electrons. They are the basis of all matter in the universe. [1/2 definitions] |
| carbon |
Carbon is one of the chemical elements found on Earth, and it is a very common element on this planet. It is also found all over the universe. Carbon atoms often combine with atoms of other elements, such as oxygen and hydrogen. Diamonds are an example of something made only of carbon atoms. [1/2 definitions] |
| cosmic |
of or relating to the universe. |
| cosmos |
the universe considered as a whole. |
| creation |
the universe or the creatures in it. [1/3 definitions] |
| galaxy |
A galaxy is a collection of billions of stars, planets, and other objects in space. Earth is located in one tiny part of a galaxy called the Milky Way, but there are many, many other galaxies in the universe. |
| god |
(capitalized) the supreme being that is worshipped by Christians, Jews, and Muslims as the maker and ruler of the universe. [1/2 definitions] |
| gravity |
the force by which all objects in the universe are attracted to each other. [1/2 definitions] |
| greenhouse effect |
the warming of the earth's surface and lower atmosphere that is caused by reflected sunlight being trapped by certain gasses that are emitted on earth. Light from the sun travels through space and enters earth's atmosphere, naturally warming the planet and making it possible for humans to live on it. Once sunlight hits the earth, though, it bounces back into space. If it did not go back into space, the earth would be too hot to live on. Gases such as carbon dioxide and methane that are sent into the air from earth are capable of trapping sunlight that should return to space. The warmth created by the trapped sunlight is called the greenhouse effect. The greenhouse effect can be seen on other planets in the universe if gases emitted from the planet trap light from a star. |
| hydrogen |
a very light gas that burns easily and is one of the chemical elements. Hydrogen is the most abundant element in the universe. It combines with oxygen to make water, and it is found in all living things. Hydrogen combines with many substances and has many uses. (symbol: H) |
| region |
A region is a large area of land or space. Sometimes a region is one part of a country. Sometimes a region is one part of the whole world. A region can also be a part of outer space or the universe. [1/2 definitions] |
| religion |
a set of beliefs about how the universe was made and what its purpose is. Religion usually involves worship of a god or gods, and the belief in certain ideas about right and wrong behavior. [1/3 definitions] |
| space |
the area that contains the entire material world and its events. [1/7 definitions] |
| superhero |
a character in cartoons or movies who has special powers, such as very great strength or the ability to fly, and uses these powers to help humans and fight against evil in the universe. |
| universe |
The universe is everything that exists, including the earth, the solar system, and all the stars in space. |
| world |
the universe; everything that exists. [1/6 definitions] |