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Science

test

Termsquestions
electromagnetic spectrum arrangement of electromagnetic radiation- radio waves, microwaves, infrared, visible light, Ultraviolet, x-rays, gamma rays
refracting telescope an optical magnifying instrument in which light from and object passes through a double convex lens and is bent to form an image at the focal point
reflecting telescope an optical magnifying instrument that uses a concave mirror in the base of the telescope to focus light from an object and form a image at the focal point
radio telescope an instrument that collects and records radio waves traveling through space
satellite any natural or artificial object that revolves around another object in space
orbit curved path of a satellite that results from a combination of the satellites forward movement and the gravitational pull
space probe an instrument that carries data-gathering equipment deep into space and sends info back to earth
space shuttle A reusable spacecraft designed to make many trips and that carries astronauts, satellites, and other cargo to and from space
space station Structure with living quarters, work and exercise areas, and equipment to support systems for humans to live and work in space
sphere Three dimensional object whose surface is the same distance from its Center at all points
tilt a sloping position or movement earths tilt is 23.5 degrees
rotation Spinning of Earth on its imaginary axis, which takes about 24 hours to complete, and causes day and night to occur
revolution Earth's year Long elliptical orbit around the sun
ellispe Elongated, Closed curve that describes Earth's yearly orbit around the sun
solstice Twice yearly Point at which the Sun reaches its greatest distance north or south of the Equator
equinox twice yearly Time, Each spring and fall, when the sun is directly over the equator and the number of daylight and nighttime are equal worldwide
moon phases Change in appearance of the Moon as if viewed from Earth, due to the relative positions of the Moon Earth and Sun
new moon Moon phase that occurs when the moon is between Earth and the Sun at which point the moon cannot be seen
waxing following a new moon as more of the moons lighted side becomes visible
waning occurs after full moon, as the visible lighted side of the moon becomes less
full moon phase that occurs when all of the moons surface facing earth is lit
solar eclipse occurs when the moon passes directly between the sun and earth and casts a shadow on part of earth
lunar eclipse occurs when earths shadow falls on the moon
comet a mass that travels through space made up of rock and dust mixed with ice that tends to evaporite after passing the sun too many times
meteor a meteoroid that burns up in earths atmosphere
meteoroid a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere.
meteorite a meteoroid that does not completely burn up in the atmosphere and strikes the surface of a moon or planet
asteroid a piece of rock similar to the material that formed into planets
difference in natural and artificial satellites natural is a planet or something naturally put there and artificial is man made and put there manually
satellite vs space probes satellite orbits while probes are shot out and travel in a straight line forever
first object in space and country Ussr satellite sputnik
first person in space and country Ussr, Yuri Gagarin
first person to land on moon, date, country Neil Armstrong, July 20, 1969, USA
rotation vs revolution revolution is year long orbit while rotation is the earth spinning around its axis
equinox dates spring march 20-21 fall September 22-23
solstice dates summer=June 21-22 winter=December 21-22
phases of moon new moon, waxing crescent, first quarter phase, waxing gibbous, full moon, waning gibbous, third quarter phase, waning crescent
Created by: 2022mstu
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