astronomy: The area of science that deals with celestial objects, space and the physical universe. People who work in this field are called astronomers.
behavior: The way something, often a person or other organism, acts towards others, or conducts itself.
binary star: A system of two stars in which one revolves around the other, or they both revolve around a common center.
cloud: A plume of molecules or particles, such as water droplets, that move under the action of an outside force, such as wind, radiation or water currents.
constellation: Patterns formed by prominent stars that appear to lie close to each other in the night sky. Modern astronomers divide the sky into 88 constellations, 12 of which (known as the zodiac) lie along the sun’s path through the sky over the course of a year. Cancri, the original Greek name for the constellation Cancer, is one of those 12 zodiac constellations.
cosmic: An adjective that refers to the cosmos — the universe and everything within it.
data: Facts and/or statistics collected together for analysis but not necessarily organized in a way that gives them meaning. For digital information (the type stored by computers), those data typically are numbers stored in a binary code, portrayed as strings of zeros and ones.
eject: To suddenly or forcefully push or jettison something from its position, container or housing.
environment: The sum of all of the things that exist around some organism or the process and the condition those things create. Environment may refer to the weather and ecosystem in which some animal lives, or, perhaps, the temperature and humidity (or even the placement of things in the vicinity of an item of interest).
gamma rays: High-energy radiation often generated by processes in and around exploding stars. Gamma rays are the most energetic form of light.
gravity: The force that attracts anything with mass, or bulk, toward any other thing with mass. The more mass…
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