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Space terms - SMS

QuestionAnswer
gravity a force that causes objects to be drawn to each other
moon a natural satellite that revolves around a planet
quasar very old, starlike object with a huge amount of energy in the form of light or radio waves
blackhole created by a large star collapsing
planet an object in definite orbit around the sun, which usually has an atmosphere
ozone form of oxygen with a pale blue color and sharp odor
atmosphere mass of gasses that surround the earth or other heavenly body
comet clestial object compsoed of ice and rocks that orbits the sun (dirty snowball)
galaxy one of millions of star systems that contain stars, planets, gasses, etc...
gamma electro-magnetic radiation with wavelength of 10 cm or less
constellation a recognizable pattern that is easily recognized
astronaut a person who travels in space
meteor small chunks of stony or metallic matter that enter the earth's atmosphere and usually brun up
astronomer person who studies the stars, planets, and how they move in space
light year unit of distance used for space travel calculations
solar winds stream of ionized gas particles constantly emitted from the sun in all directions
universe all that exists - planets, stars, galaxies
ultra-violet electo-magnetic waves with wavelengths from c.5 to c.400 nanometers
sunspots visible places on the sun up to 1000s of miles wide
asteroids planetoids that move around a background of stars (no atmosphere, made of rock)
satellite small body that revolves around another
milky way our home galaxy
orbit the curved path used by a satellite, planet, comet, etc...
star large luminous body in space made of hot glowing gases such as the sun (it makes its own light by nuclear fusion)
nebula area of gus or dust usually formed by an exploding star or supernova
Created by: SimardRR
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