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Chapter 27 Vocab

vocab

QuestionAnswer
all types of electromagnetic radiation arranged according to wave length and frequency electromagnetic spectrum
telescope that uses lenses to focus visible light refracting telescope
telescope that uses mirrors to focus visible light reflecting telescope
process that links separate telescopes so they act as one telescope producing more detailed images as the distance between the increases interferometry
percentage of sunlight that is reflected by the surface of a planet or a satellite such as the moon albedo
light colored mountainous heavily cratered area of the moon composed mostly of lunar beccias highland
dark colored smooth plains of the moons surface maria
crater formed when space material impacted the moons surface impact crater
material that falls back to the lunar surface after being blasted out by the impact of a space object ejecta
long trail of ejecta that radiates outward from a moon crater ray
valleylike structure that meanders across some regions of the moons maria rille
layer of loose ground up rock on the lunar surface regolith
plane of earths orbit around the sun ecliptic plane
period when the sun is overhead at its farthest distance either north or south of the equator solstice
time of the year during which earths axis is at a 90 degree angle to the sun both hemispheres receive exactly 12 hours of light and the sun is directly overhead at the equator equinox
state at which the moons orbital and rotational periods are equal synchronous rotation
when the moon passes between earth and the sun and the moon casts a shadow on earth blocking earths view of the sun can be partial or total solar eclipse
closest point in the moons elliptical orbit to earth perigee
farthest point in the moons elliptical orbit to earth apogee
when earth passes between the sun and the moon and earth shadow falls on the moon occurs only during full moon lunar eclipse
Created by: Katie Jones
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