1 au astronomical unit - Study guides, Class notes & Summaries

Astronomy Exam 1 Questions With Explanations astronomical unit (AU) - ANS the average mean distance between the Earth and Sun speed of light - ANS 186,000 mi/sec light year - ANS 6,000,000,000,000 miles; the distance that lights travels in 1 year through a vacuum celestial sphere - ANS an imaginary sphere of large radius which the ancient's believed the whole heavens were plastered onto constellations - ANS in modern astronomy, 88 non-overlapping sky regions, cove...

WGU C894 Unit 1 Intro to Astronomy, Exam Review Questions and answers, 100% Accurate. What is planet Earth's diameter? - -nearly 13,000km What is our moon's diameter compared to Earth's? - -our moon is 1/4 size diameter of our Earth scientific notation - -system of recording very large or very small numbers using powers of 10 ex: 380,000=3.8 x 10⁵ planet - -non self-luminous body orbiting the Sun or another star that has strong enough gravity to compress it into a spheroidal...

EAPS 105 Exam 1 - Spring 2024/ exam Review Questions and answers, rated A+ The percent of the Solar System's mass contained in the Sun. 99.9% The percent of the mass of our Solar System's planets contained in Jupiter. 70% What is an astronomical unit (AU). The distance from the Sun to the Earth The distance from the Sun that Jupiter is compared to Earth (in AU). Jupiter is about 5 AU from the Sun. Whether the distance from the Earth to the Moon is changing. True Why Uranus and Nep...

GIZMOS STUDENT EXPLORATION THE BIG BANG THEORY MATHS CALCULATION WITH REFERENCING QUESTIONS AND ANSWERS EXAM The distance between Earth and Mars is 225 million km. When converted using the conversion factor 1 AU = 1.5 × 108 km, the distance between the planets is [0.2 AU/1.5 AU/2.0 AU]. The astronomical unit (AU) is [shorter than/longer than/the same as] a light-year. - 1.5 AU SHORTER THAN Drag each ti...

Mttc Integrated Science 094 Earth and Space Sciences Study Guide Exam astronomy - CORRECT ANSWER-The study of the moon, stars, and other objects in space layers of the sun - CORRECT ANSWER-photosphere, chromosphere, corona the moons gravitational pull is responsible for - CORRECT ANSWER-earths tides Equinox - CORRECT ANSWER-The two days of the year on which neither hemisphere is tilted toward or away from the sun; september and march Solstice - CORRECT ANSWER-Either of the two times o...

A solar system contains - the sun and the non luminous objects that orbit it, including the planets, comets, and asteroids field of view - the region you can see in an image planet - non luminous object, larger than a comet or asteroid, that orbits a star star - celestial object composed of gas held together by its own gravity and supported by nuclear fusion occurring in its interior AU - astronomical unit that is the average distance from the Earth to the sun light year - distance ligh...

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 (c...

Astronomy 101 Practice Test Questions with All Correct Answers Solar System Characteristics: orbits, what do inner planets do compared to outer, and what about spin - ANSWER Counter Clockwise Orbits, Inner planets move faster, Each planet has individual spin Number of planets and names - ANSWER 8: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune Gravity - ANSWER Attractive force, holds everything together, requires 2 objects pull on each other Gravity on Ea...

Earth Space Exam Review 2023 GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved) 1. Occurs when the Moon passes directly between the Sun and Earth and casts a shadow over part of Earth Answer: solar eclipse 2. an eclipse in which the moon appears darkened as it passes into the earth's shadow. Answer: lunar eclipse 3. the average distance between the earth and the sun; useful for measuringdistances within the solar system Answer: astronomical unit (AU) 4. the distance light trave...

AST 101 EXAM 1 QUESTIONS AND ANSWERS 100% PASS the average distance from the earth to the sun is what unit? 1 astronomical unit the distance light travels in a year 1 light year the andromeda galaxy is how many light years away 2,000,000 ly the stars that appear to lie on a dome above us is the ____ _______ the celestial sphere the stars appear to be ____ on the celestial sphere fixed the earth is what in the celestial sphere model? the center of the universe what part of the celestial sph...