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Meteorites can excavate lunar water



(more on Power Words)

annually Adjective for something happening every year. (in botany) A plant that lives only a year, so it usually has a flashy flower and produces many seeds.

astronaut Anyone trained to enter space for research and exploration.

atmosphere envelope of gases surrounding the earth or another planet.

chemical A substance formed by two or more atoms that join (bond) in a fixed proportion and structure. For example, water is a chemical product when two hydrogen atoms bind to an oxygen atom. Its chemical formula is H 2 O. Chemical may also be an adjective to describe properties of materials that result from different reactions between different compounds.

colleague Someone working with another; a colleague

cosmic An adjective that refers to the cosmos universe and everything inside it.

crater A large bowl-shaped cavity in the ground or on the surface of a planet or moon. They are typically caused by an explosion or the action of a meteorite or other celestial body. Such an influence is sometimes called a crater incident.

exosphere The very thin outer reach of the Earth's atmosphere or the gas deck of some celestial bodies (like the moon) that is so thin is almost as if it does not exist.

geoscience Any of a number of sciences, such as geology or atmospheric science, dealing with better understanding of the earth. People working in this area are known as geoscientists.

The moon Of or related to Earth's moon.

meteor A clump of stones or metal from the space that hits the Earth's atmosphere. In the room it is known as a meteoroid. When you see it in the sky, it's a meteor. And when it hits the ground it is called a meteorite .

molecule An electrically neutral group of atoms representing the smallest possible amount of a chemical compound. Molecules can be made of individual types of atoms or of different types. For example, the oxygen in the air is made from two oxygen atoms (O ), but water is made from two hydrogen atoms and an oxygen atom (H 2 0). 1

9659003] moon The natural satellite on any planet.

NASA Map of the National Aeronautics and Space Administration. Created in 1958, this American agency has become a leader in space research and in stimulating public interest in space research. It was through NASA that the United States sent people in orbit and ultimately to the moon. It has also sent research vessels to study planets and other celestial objects in our solar system.

poles (in earth science and astronomy) The cold sources on the planet that exist furthest from the equator; the upper and lower ends of the virtual axis about which a celestial body rotates.

randomly Something that happens randomly or without reason, based on no purpose or purpose.

spectrometer An instrument that measures a spectrum, such as light, energy or atomic mass. Typically, chemists use these instruments to measure and report the wavelengths of light as they observe. The collection of data using this instrument, a process known as spectrometry, can help identify the elements or molecules found in an unknown sample.

Uncertainty (in statistics) A number of how much measurements of something will vary about an already measured value.


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