Test Answers on Astrophysics Flashcards

Flashcards on ASTR 102 – TEST – MC01 & SA&TF

question What is the meaning of the word cosmos? A) the origin of Earth and life upon it B) the light from a distant astronomical object C) the Milky Way D) the sum total of all matter and energy, that is, everything within and between all galaxies E) the dark sky answer D) the sum […]

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ASTR 101 chp 2 concept quiz

question The \”celestial sphere\” is another name for our universe. answer Which of the following statements about the celestial sphere is NOT true? question We could not see it at all. answer The Andromeda Galaxy is faintly visible to the naked eye in the constellation Andromeda. Suppose instead it were located in the same direction […]

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ASTR 101 chp 3 reading quiz

question It helped them keep track of time and seasons, and it was used by some cultures for navigation. answer What practical value did astronomy offer to ancient civilizations? question based on everyday ideas of observation and trial-and-error experiments answer Scientific thinking is _________. question the seven naked-eye objects that appear to move among the […]

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La Hija del Sastre Info

question capítulo 1 answer Emilia (the main character) wakes up because she thinks she hears soldiers outside. Her father is Lorenzo Matamoros, a former captain of the republicans, and the current leader Franco was trying to capture those of the old regime. She was afraid and wanted to go to her parents’ room even though […]

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ASTR 1210 Homework 9

question Interaction with light? Visible light meets clear glass Cell phone signals pass through walls answer Transmission question Interaction with light? Visible light does not pass through a black wall Blue light hits a red sweatshirt answer Absorption question Interaction with light? Red light hits a red sweatshirt White light hits a white piece of […]

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Physics Option D, Astrophysics

question Critical Density answer Density for which the curvature of the universe is zero/at which it will expand forever but will reach zero/at which the universe will begin to contract after an infinite amount of time. question Stellar cluster answer Stars that are gravitationally bound forming an arrangement in space. question Constellation answer A collection […]

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Astrophysics PART 4

question Newton’s Model of the Universe answer The universe is infinite in both space and time. It is uniform and static. Meaning there are an infinite number of stars heading out in all directions to infinity (otherwise the universe would collapse under its own gravitational force) question Obler’s Paradox Question answer Why is the night […]

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Physics – Topic D: Astrophysics – D.1 Stellar Quantities

question Comets answer Comets are irregular objects a few kilometres across comprising of frozen gases, rock and dust. question Stars (Single & Binary) answer All stars initially form when gravity causes gas in a nebula to condense. As the atoms move towards one another, they lose gravitational potential energy that is converted into kinetic energy. […]

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Glossary (Nuclear, Thermal and Astrophysics) AQA Physics A Unit 5A

question Absolute magnitude (M) answer The apparent magnitude a star would have if it were placed at a standard distance of 10 pc from Earth. m – M = 5 log(d/10) where d is the distance in parsecs. question Activity (A) answer The number of emissions per second, measured in Becquerels. question Airy disc answer […]

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Astrophysics Questions And Answers

question Outline the likely evolution of the star Khad after it leaves the main sequence answer Since it has a mass greater than 1.3 Ms, it will go through a super red giant, onto a supernova to a neutron star or black hole. question Red supergiant star: answer • Large luminosity • Red color • […]

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Astrophysics Definitions

question What is the universe? answer a large collection of billions of galaxies question What is a galaxy? answer A large cluster of stars question What is a solar system? answer a star with orbiting planets question What is a planet? answer A large sphere of matter that orbits the sun question What is an […]

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Astrophysics IB PHYSICS HL

question Solar system answer Mercury, venus, earth, mars, jupiter, saturn, uranus and neptune. question Stellar clusters answer Groupings of a large number of stars bound by gravity. 1. Globular clusters: large number of mainly old stars. 2. Open clusters: small number of young stars that are farther apart. question Galaxy answer A huge assembly of […]

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Astrophysics for People in a Hurry

question Einstein’s General Theory of Relativity answer The presence of matter and energy curves the fabric of space and time around it. question Molecules answer A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction. question Atoms answer A unit of matter; […]

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Astrophysics Test

question Sun answer 99% of the mass of the solar system made mostly of H/He gas (plasma) converts 4 million tons question Mercury answer Made out of metal and rock, large iron core cratered, desolate, long, tall, steep cliffs question Venus answer Earth’s twin because size surface hidden by clouds 1 day Venus 243 days […]

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Astrophysics Questions

question When did Pluto become a dwarf planet? answer August 2006 question How many planets are in our solar system? answer 8 planets question What is our solar system called answer The Milky Way question How long does it take to get to the sun answer 19 years question Who was the first person to […]

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Astrophysics Study Guide Flashcard

question chapter 12 answer … question what dust is emitted into to create galaxies answer interstellar medium question giant molecular clouds which are cool and dense collapse into answer cluster of stars question if temp reaches 10,000,000K what happens answer nuclear fusion into a protostar question high mass stars have higher luminosity than low mass […]

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Astrophysics concepts study guide

question Outline general structure of solar system answer Order of planets: (including order in mass and radius; smallest to largest.) Mercury; 1, 1 Venus; 3, 3 Earth;4, 4 Mars; 2, 2 Jupiter; 8,8 Saturn; 7,7 Uranus; 5, 6 Neptune; 6, question Distinguish between stellar cluster and a constellation answer CONSTELLATIONS: Stars that look like they […]

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Astrophysics Test Questions

question Definition of a universe answer Collection of billions of galaxies question Definition of galaxy answer Large collection of stars question Planets answer Eight planets in our solar system that orbit a star, the sun. Mercury, venus, earth, mars, Jupiter, Saturn, Uranus, Neptune question Moons answer Orbit planets with circular orbits, they’re natural satellites question […]

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Final: Astrophysics

question RED GIANTS & WHITE DWARFS answer question Parsec answer a unit of distance used in astronomy, equal to about 3.26 light years 3.086 × 1013 kilometers question Star’s proper motion answer A proper motion of 1 arcsec per year at a distance of 1 light-year corresponds to a relative transverse speed of 1.45 km/s […]

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Astrophysics final

question milky way galaxy answer – one out of billions/trillions – named by the greeks; galaxies kuklos, milky circle – Romans; via lactea= milky way – andromeda (closest galaxy to us) 2.3 million LY away – 400 billion solar masses question galileo answer – 1st resolved milky way into stars – telescope question william and […]

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Astrophysics Flashcard

question The Universe answer A large collection of billions of galaxies question Galaxy answer Large collection of billions of stars question Our sun answer A star in the milky way galaxy question Planets answer Orbit a star question dwarf planet answer Small planets question Moons answer orbit planets question artificial satellite answer Orbit earth, built […]

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