astronomy: The area of science that deals with celestial objects, space and the physical universe. People who work in this field are called astronomers.
astrophysicist: A scientist who works in an area of astronomy that deals with understanding the physical nature of stars and other objects in space.
astrophysics: An area of astronomy that deals with understanding the physical nature of stars and other objects in space. People who work in this field are known as astrophysicists.
atmosphere: The envelope of gases surrounding Earth, another planet or a moon.
Coriolis effect: An apparent force that’s due to a planet’s rotation on its axis. This movement shifts moving objects (such as airborne footballs or winds) to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.
current: A fluid — such as of water or air — that moves in a recognizable direction.
equator: An imaginary line around Earth that divides Earth into the Northern and Southern Hemispheres.
factor: Something that plays a role in a particular condition or event; a contributor.
filter: (in physics) A screen, plate or layer of a substance that absorbs light or other radiation or selectively prevents the transmission of some of its components.
force: Some outside influence that can change the motion of an object, hold objects close to one another, or produce motion or stress in a stationary object.
gas giant: A giant planet that is made mostly of helium and hydrogen, which on Earth are gases. Jupiter and Saturn are gas giants.
infrared: A type of electromagnetic radiation invisible to the human eye. The name incorporates a Latin term and means “below red.” Infrared light has wavelengths longer than those visible to humans. Other invisible wavelengths include X-rays, radio waves and microwaves. Infrared light tends to record the heat signature of an object or environment.
jet stream: A fast-flowing, high-altitude air current. On Earth, the major jet…
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