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EAPS 105 Exam 4: Questions and Verified Answers on Planetary Science, Exams of English Language

Abilene Christian University (ACU)English Language

A compilation of questions and verified answers from eaps 105 exam 4, focusing on planetary science. It covers topics such as moon formation theories, characteristics of various moons in our solar system, exoplanet detection methods, and the conditions for habitability. The questions delve into the unique features of celestial bodies like jupiter's moons, saturn's rings, and exoplanets, providing a comprehensive overview of key concepts in planetary science. It also addresses the challenges and dangers of space exploration, including radiation exposure and the effects of weightlessness.

Typology: Exams

2024/2025

Available from 08/29/2025

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EAPS 105 Exam 4 questions with
verified answers A+ rated
Which planets have moons - correct answer โœ”โœ”
The giant impact theory of moon formation and the characteristics of a moon
that would suggest it formed in this manner - correct answer โœ”โœ”
Current observations that conflict with impact theory of formation of our
Moon - correct answer โœ”โœ”
How Mars acquired its moons Phobos and Deimos - correct answer โœ”โœ”
The co-accretion theory of moon formation and the characteristics of a moon
that would suggest it formed in this manner - correct answer โœ”โœ”
How Jupiter acquired its major moons - correct answer โœ”โœ”
The main factor that controls the percentage of ice to rock in the mineralogy
of Jupiter's major moons - correct answer โœ”โœ”
The capture theory of moon formation and the characteristics of a moon that
would suggest it formed in this manner - correct answer โœ”โœ”
How Jupiter acquired its small moons that orbit far from the planet - correct
answer โœ”โœ”
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Download EAPS 105 Exam 4: Questions and Verified Answers on Planetary Science and more Exams English Language in PDF only on Docsity!

EAPS 105 Exam 4 questions with

verified answers A+ rated

Which planets have moons - correct answer โœ”โœ” The giant impact theory of moon formation and the characteristics of a moon that would suggest it formed in this manner - correct answer โœ”โœ” Current observations that conflict with impact theory of formation of our Moon - correct answer โœ”โœ” How Mars acquired its moons Phobos and Deimos - correct answer โœ”โœ” The co-accretion theory of moon formation and the characteristics of a moon that would suggest it formed in this manner - correct answer โœ”โœ” How Jupiter acquired its major moons - correct answer โœ”โœ” The main factor that controls the percentage of ice to rock in the mineralogy of Jupiter's major moons - correct answer โœ”โœ” The capture theory of moon formation and the characteristics of a moon that would suggest it formed in this manner - correct answer โœ”โœ” How Jupiter acquired its small moons that orbit far from the planet - correct answer โœ”โœ”

Pluto's moon Charon's likely origin - correct answer โœ”โœ” Neptune's moon Triton's likely origin - correct answer โœ”โœ” What is unique about Neptune's moon Triton - correct answer โœ”โœ” Saturn's moon Enceladus' likely origin - correct answer โœ”โœ” Evidence that our Moon formed from a giant impact - correct answer โœ”โœ” What the lunar dichotomy is - correct answer โœ”โœ” What the Late Heavy Bombardment was - correct answer โœ”โœ” Why the South Pole-Aitken basin on the Moon is unique - correct answer โœ”โœ” The discoverer of the Galilean moons - correct answer โœ”โœ” What is unique about Jupiter's moon Io - correct answer โœ”โœ” What is unique about Jupiter's moon Ganymede - correct answer โœ”โœ” What is unique about Jupiter's moon Callisto - correct answer โœ”โœ” How a radar return signal is interpreted - correct answer โœ”โœ” What is unique about Saturn's moon Titan - correct answer โœ”โœ”

The cause of gaps in Saturn's rings - correct answer โœ”โœ” The average thickness of Saturn's rings - correct answer โœ”โœ” Which planets have rings - correct answer โœ”โœ” What the Roche limit is - correct answer โœ”โœ” What happens to a moon if it migrates inside the Roche limit - correct answer โœ”โœ” Where the Roche limit is located around Saturn - correct answer โœ”โœ” The fate of Neptune's moon Triton - correct answer โœ”โœ” Why Saturn's moon Iapetus has a bulge around its equator - correct answer โœ”โœ” How the transit detection method works - correct answer โœ”โœ” The method of detection used by the Kepler Spacecraft - correct answer โœ”โœ” What the time between observed exoplanet transits represents - correct answer โœ”โœ” What a bigger drop in brightness mean for an exoplanet transit - correct answer โœ”โœ”

Which types of planets the transit method detects most easily - correct answer โœ”โœ” How the radial velocity detection method works - correct answer โœ”โœ” How the Doppler Effect works - correct answer โœ”โœ” What the radial velocity method can provide that the transit method cannot - correct answer โœ”โœ” What the mass and volume of an exoplanet enable us to determine - correct answer โœ”โœ” How the gravitational microlensing detection method works - correct answer โœ”โœ” The types of planets the gravitational microlensing method detects better than other methods - correct answer โœ”โœ” How the direct imaging detection method works - correct answer โœ”โœ” Which types of planets the direct imaging method detects better than other methods - correct answer โœ”โœ” How we can infer the chemistry of an exoplanet's atmosphere - correct answer โœ”โœ” What the absorption spectrum of sunlight passing through our atmosphere reveals about the chemistry of our atmosphere - correct answer โœ”โœ”

How we potentially detected a moon orbiting an exoplanet - correct answer โœ”โœ” How the relative mass of the stars in a binary system influence planet orbits

  • correct answer โœ”โœ” What a rogue planet is - correct answer โœ”โœ” Whether it is possible to view a double sunset from a planet surface - correct answer โœ”โœ” About how many stars are estimated to be in our Milky Way galaxy - correct answer โœ”โœ” How many galaxies are estimated to exist - correct answer โœ”โœ” How many potentially habitable Earth-like planets are out there - correct answer โœ”โœ” What the Drake equation calculates - correct answer โœ”โœ” Possible solutions to the Fermi Paradox - correct answer โœ”โœ” What killed the Apollo 1 astronauts - correct answer โœ”โœ” What killed the Apollo 13 astronauts - correct answer โœ”โœ” Why the Space Shuttle Challenger exploded - correct answer โœ”โœ”

What killed the Space Shuttle Columbia astronauts - correct answer โœ”โœ” The dangers of micrometeroids - correct answer โœ”โœ” What spacesuits are able to protect astronauts from - correct answer โœ”โœ” What the solar wind is - correct answer โœ”โœ” What a solar flare is and whether it is capable of setting the Earth on fire - correct answer โœ”โœ” How planets are protected from radiation - correct answer โœ”โœ” Where most cosmic rays originate from - correct answer โœ”โœ” The greatest danger to humans wishing to colonize Mars - correct answer โœ”โœ” How one could live on the Moon or Mars and be protected from radiation - correct answer โœ”โœ” What the Kessler Syndrome is - correct answer โœ”โœ” The consequences of prolonged weightlessness on the human body - correct answer โœ”โœ” How one can simulate the force of gravity on a spacecraft - correct answer โœ”โœ”

What can only be determined by combining observations from the radial velocity method with observations from the transit detection method? - correct answer โœ”โœ”The mass of the exoplanet To find exoplanets, how does the gravitational microlensing detection method work? - correct answer โœ”โœ”The gravitational field of a star acts like a lens, magnifying the light of a distant background star. If a planet is orbiting the foreground lensing star, it will make a detectable contribution to the lensing effect. What is the notable disadvantage of the gravitational microlensing method? - correct answer โœ”โœ”The lensing observation cannot be repeated To find exoplanets, how does the direct imaging detection method work? - correct answer โœ”โœ”Blocking the light of a star reveals the reflected light of orbiting planets. The James Webb Space Telescope to succeeds the Hubble Space Telescope. In what ways is the James Webb Space Telescope superior to the Hubble Space Telescope? - correct answer โœ”โœ”- It has a much higher resolution (sharper images).

  • It can observe high-redshift objects that are too old and too distant for Hubble.
  • It enables more detailed atmospheric characterization of potentially habitable exoplanets. The Wide-Field Infrared Survey Telescope or WFIRST, now named after the former NASA Chief of Astronomy, provides a significant improvement over the Hubble Space Telescope in what manner? - correct answer โœ”โœ”It will have 100 times the imaging field of view. What is a hot Jupiter? - correct answer โœ”โœ”A gas giant like Jupiter that orbits extremely close to its star.

Which situations might generate a lava planet? - correct answer โœ”โœ”- A young terrestrial planet just after its formation.

  • A planet that has recently suffered a large collision event.
  • A planet orbiting very close to its star. What is a super-Earth? - correct answer โœ”โœ”An exoplanet with a mass higher than Earth's, but substantially below those of an ice giant. If a star is much larger/brighter than our Sun, where will the habitable zone be located relative to our Sun's habitable zone? - correct answer โœ”โœ”Farther from the larger/brighter star. The Earth Similarity Index (ESI) characterizes how similar an exoplanet is to Earth. It has a scale from zero to one, with Earth having a value of one. Which of the following factors does the ESI not consider? - correct answer โœ”โœ”The exoplanet magnetic field What is so special about the exoplanet Proxima Centauri b? - correct answer โœ”โœ”It is the closest Earth-like exoplanet to our Solar System we will ever find. How many planets in the TRAPPIST-1 system are potentially hospitable to life, having orbits in the star's habitable zone? - correct answer โœ”โœ” 4 The Hubble Ultra-Deep Field (HUDF) is an image of a small region covering only one twenty-six-millionth of the total sky โ€” equivalent to the area of a tennis ball viewed 110 meters away. The region chosen is one of the darkest patches of sky in any direction, i.e., very few stars from our own galaxy. How many galaxies are visible in the HUDF? - correct answer โœ”โœ”10,