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ESS Exoplanets Questions With Answers., Exams of Environmental Science

Miami University - OxfordEnvironmental Science

ESS Exoplanets Questions With Answers.

Typology: Exams

2025/2026

Available from 01/21/2026

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ESS ||Exoplanets ||Questions ||With ||
Answers ||
What ||are ||asteroids? ||- ||CORRECT ||ANSWERS(S)✅✅Small ||
rocky ||objects ||that ||orbit ||the ||Sun, ||mostly ||located ||in ||the ||
asteroid ||belt ||between ||Mars ||and ||Jupiter.
What ||is ||the ||size ||range ||of ||asteroids? ||- ||CORRECT ||
ANSWERS(S)✅✅Asteroids ||range ||in ||size ||from ||10 ||to ||1000 ||km
||across.
What ||is ||the ||total ||mass ||of ||all ||asteroids ||combined? ||- ||
CORRECT ||ANSWERS(S)✅✅The ||total ||mass ||of ||all ||asteroids ||is ||
less ||than ||that ||of ||Earth's ||Moon.
Who ||discovered ||the ||first ||asteroid ||and ||what ||was ||its ||name?
||- ||CORRECT ||ANSWERS(S)✅✅Ceres ||was ||discovered ||by ||
Guiseppe ||Piazzi ||in ||1801.
What ||are ||the ||two ||theories ||regarding ||the ||formation ||of ||the ||
asteroid ||belt? ||- ||CORRECT ||ANSWERS(S)✅✅1) ||The ||belt ||is ||the
||remnant ||of ||a ||planet ||that ||broke ||up. ||2) ||The ||belt ||consists ||of ||
fragments ||that ||never ||formed ||a ||planet.
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ESS ||Exoplanets ||Questions ||With ||

Answers ||

What ||are ||asteroids? ||- ||CORRECT ||ANSWERS(S)✅✅Small || rocky ||objects ||that ||orbit ||the ||Sun, ||mostly ||located ||in ||the || asteroid ||belt ||between ||Mars ||and ||Jupiter. What ||is ||the ||size ||range ||of ||asteroids? ||- ||CORRECT || ANSWERS(S)✅✅Asteroids ||range ||in ||size ||from || 10 ||to || 1000 ||km ||across. What ||is ||the ||total ||mass ||of ||all ||asteroids ||combined? ||- || CORRECT ||ANSWERS(S)✅✅The ||total ||mass ||of ||all ||asteroids ||is || less ||than ||that ||of ||Earth's ||Moon. Who ||discovered ||the ||first ||asteroid ||and ||what ||was ||its ||name? ||- ||CORRECT ||ANSWERS(S)✅✅Ceres ||was ||discovered ||by || Guiseppe ||Piazzi ||in ||1801. What ||are ||the ||two ||theories ||regarding ||the ||formation ||of ||the || asteroid ||belt? ||- ||CORRECT ||ANSWERS(S)✅✅1) ||The ||belt ||is ||the ||remnant ||of ||a ||planet ||that ||broke ||up. ||2) ||The ||belt ||consists ||of || fragments ||that ||never ||formed ||a ||planet.

What ||is ||a ||comet? ||- ||CORRECT ||ANSWERS(S)✅✅A ||body ||of || frozen ||mass ||with ||a ||highly ||elliptical ||orbit ||around ||the ||Sun, || often ||referred ||to ||as ||a ||'dirty ||snowball.' What ||are ||the ||main ||components ||of ||a ||comet? ||- ||CORRECT || ANSWERS(S)✅✅Comets ||are ||mainly ||composed ||of ||frozen || ice, ||frozen ||carbon ||dioxide, ||dust, ||and ||may ||contain || methane ||gas, ||ammonia, ||and ||organic ||materials. What ||happens ||to ||a ||comet ||as ||it ||approaches ||the ||Sun? ||- || CORRECT ||ANSWERS(S)✅✅It ||develops ||a ||cloudy ||atmosphere ||called ||a ||coma ||and ||two ||tails ||that ||always ||point ||away ||from || the ||Sun. What ||is ||the ||Kuiper ||Belt? ||- ||CORRECT ||ANSWERS(S)✅✅A ||disk || of ||small ||icy ||bodies ||that ||extends ||from ||approximately || 30 || AU ||to || 50 ||AU, ||containing ||short-period ||comets ||and ||objects || like ||Pluto. What ||is ||the ||Oort ||Cloud? ||- ||CORRECT ||ANSWERS(S)✅✅A ||large ||spherical ||cloud ||surrounding ||the ||solar ||system, ||composed || of ||icy ||bodies, ||ranging ||from ||50,000 ||to ||100,000 ||AU. What ||defines ||a ||dwarf ||planet? ||- ||CORRECT ||ANSWERS(S)✅✅A ||round ||object ||that ||has ||not ||cleared ||the ||neighborhood || around ||its ||orbit ||and ||is ||not ||a ||satellite.

designations ||and ||may ||have ||proper ||names, ||but ||most ||are || cataloged ||by ||their ||designations. What ||is ||the ||role ||of ||the ||Kepler ||Space ||Telescope ||in || exoplanet ||discovery? ||- ||CORRECT ||ANSWERS(S)✅✅It ||has || helped ||identify ||thousands ||of ||exoplanets, ||revealing ||that || there ||are ||more ||planets ||than ||stars ||in ||the ||Milky ||Way. What ||are ||the ||characteristics ||of ||the ||first ||exoplanets || discovered? ||- ||CORRECT ||ANSWERS(S)✅✅They ||were ||found || in ||the ||1990s, ||and ||most ||were ||detected ||using ||indirect || methods ||rather ||than ||direct ||imaging. What ||is ||the ||average ||diameter ||of ||Pluto ||as ||determined ||by || NASA's ||New ||Horizons ||mission? ||- ||CORRECT || ANSWERS(S)✅✅Pluto ||has ||a ||diameter ||of ||2,370 ||kilometers. What ||is ||the ||mass ||of ||Pluto? ||- ||CORRECT || ANSWERS(S)✅✅Pluto's ||mass ||is ||approximately ||1.31 ||x || 10^22 ||kg. What ||is ||the ||significance ||of ||measuring ||Pluto's ||density? ||- || CORRECT ||ANSWERS(S)✅✅It ||helps ||scientists ||understand || Pluto's ||composition.

What ||is ||the ||difference ||between ||short-period ||and ||long- period ||comets? ||- ||CORRECT ||ANSWERS(S)✅✅Short-period || comets ||likely ||come ||from ||the ||Kuiper ||Belt, ||while ||long-period ||comets ||come ||from ||the ||Oort ||Cloud. What ||are ||some ||notable ||locations ||for ||asteroids? ||- || CORRECT ||ANSWERS(S)✅✅Near-Earth ||Asteroids, ||Trojans || (before ||and ||behind ||Jupiter), ||and ||Centaurs ||in ||the ||outer || solar ||system. What ||is ||the ||composition ||of ||comet ||tails? ||- ||CORRECT || ANSWERS(S)✅✅The ||ion ||tail ||consists ||of ||gases ||ionized ||by || the ||Sun, ||while ||the ||dust ||tail ||is ||made ||of ||dust ||pushed ||out ||of || the ||coma.