MTTC Integrated Science 094 Earth and Space Sciences Accurate 100%

astronomy - ANSWER The study of the moon, stars, and other objects in space layers of the sun - ANSWER photosphere, chromosphere, corona the moons gravitational pull is responsible for - ANSWER earths tides Equinox - ANSWER The two days of the year on which neither hemisphere is tilted toward or away from the sun; september and march Solstice - ANSWER Either of the two times of the year when the sun is at its greatest distance from the celestial equator Big Bang Theory - ANSWER (cosmology) the theory that the universe originated 20 billion years ago from the cataclysmic explosion of a small mass of matter at extremely high density and temperature Red Dwarf Star - ANSWER (longest lifespan): Stars that are smaller than our sun and have less mass. They burn their fuel very slowly They are not very hot compared to other stars. supergiant star - ANSWER star with a diameter up to 1000 times the diameter of the sun; largest of all stars Nebula - ANSWER A large cloud of dust and gas in space black hole - ANSWER An object in space whose gravity is so strong not even light can escape. solar day - ANSWER The amount of time that passes between successive appearances of the sun on the meridian Hertzsprung-Russell diagram - ANSWER a graph relating the surface temperatures and absolute brightness of stars Inner Terrestrial Planets + characteristics - ANSWER Mercury, Venus, Earth, Mars; small, dense, rocky Outer Jovian Planets + characterstics - ANSWER Jupiter, Saturn, Uranus, Neptune; large low density, have rings; gas giants