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Astronomy Quiz Questions and Answers: Asteroids, Comets, and Extrasolar Planets, Exams of Nursing

West Chester University of Pennsylvania (WCUPA)Nursing

A comprehensive set of multiple-choice questions and answers covering key concepts in astronomy, specifically focusing on asteroids, comets, and extrasolar planets. It explores the formation, composition, and characteristics of these celestial bodies, including their orbital dynamics, impact events, and the discovery of planets beyond our solar system. Suitable for students studying astronomy or related fields.

Typology: Exams

2024/2025

Available from 12/06/2024

Profhampton
Profhampton 🇺🇸

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AEA Quiz Questions and Answers
1. what do asteroids and comets have in common?
ANS most are unchanged since their formation in the solar nebula
2. why do asteroids and comets differ in composition
ANS asteroids formed inside the frost line, while comets formed outside
3. what is the size of the largest asteroid?
ANS 1,000 km
4. the combined mass of all the asteroids in the asteroid belt is
ANS less than that of any terrestrial planet
5. the large gaps in the asteroid belt (often called Kirkwood gaps) are caused by
ANS orbital resonances with Jupiter
6. if we know the size of an asteroid, we can determine its density by
ANS deter- mining its mass from its gravitational pull on a spacecraft,
satellite, or planet
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AEA Quiz Questions and Answers

1. what do asteroids and comets have in common? ANS most are unchanged sincetheir formation in the solar nebula 2. why do asteroids and comets differ in composition ANS asteroids formed insidethe frost line, while comets formed outside 3. what is the size of the largest asteroid? ANS 1,000 km 4. the combined mass of all the asteroids in the asteroid belt is ANS less than thatof any terrestrial planet 5. the large gaps in the asteroid belt (often called Kirkwood gaps) are causedby ANS orbital resonances with Jupiter 6. if we know the size of an asteroid, we can determine its density by ANS deter-mining its mass from its gravitational pull on a spacecraft, satellite, or planet

7. why aren't small asteroids spherical in shape ANS the strength of gravity on smallasteroids is less than the strength of the rock 8. a typical shooting star in the mentor shower is caused by a entering Earth;s atmosphere ANS pea-size particle from an asteroid 9. processed meteorites with high metal content probably are ANS chunks of alarger asteroid that was shattered by a collision 10. in order to have a comet named after you, you have to ANS be one of the firstthree discoverers who report it to the International Astronomical Union (IAU) 11. when do comets generally begin to form a tail? ANS Inside of Jupiter's orbit 12. why won't pluto collide with neptune? ANS the two planets have an orbital reso-nance that prevents them from colliding

19. the transit method of planet selection works best for ANS big planets in edge-on orbits around around small stars 20. the reason that most extrasolar planets are found so close to their parent stars is ANS the amount and frequency of the star's motion are both higher 21. which planet can we see occasionally transit across the fact of the sun?- ANS Mercury

22. a planet is detected via the Doppler technique. the repeating pattern of the stellar motion tells us ANS the orbital period of the planet 23. the depth of the dip in a star's brightness due to the transit of a planet depends most directly on ANS the planet's size 24. how do we think the "hot Jupiter's" around other stars were formed? ANS theyformed as a gas giants beyond the frost line and then migrated inwards 25. which of the following is a consequence of the discovery of hot Jupiters for understanding our own Solar System? ANS it shows that we do not fully understandthe formation of our Solar System 26. why are many of the newly detected extrasolar planets called "hot Jupiters" ANS their masses are similar to Jupiter but they are very close to the central star and therefore hot 27. approximately how many other planetary systems have been discovered to date? ANS a thousand 28. why do jovian planets bulge around the equator, that is, have a "squashed" appearance? ANS their rapid rotation flings the mass near the equator outward

39. planetary rings are ANS all of the above