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AST 111 Exam Study Questions (Latest Update) with Verified Answers

Earth rocks vs Moons rocks correct answers Almost all Earth rocks contain 1 to 2 percent water, either as free water trapped in the rock or as water molecules chemically bonded with certain minerals. In contrast, the Moon rocks brought back by the Apollo astronauts contain very little water. Why are features like the Moon's maria not observed on Mercury? correct answers Mercury's lava plains are not significantly darker than the rest of the planet's crust, so they are not so clearly percep...

Why does the Moon show phases in the course of a month? a. the Moon glows from the inside, and its various continents glow different amounts b. the angle the Moon makes with the Sun changes and we see differing amounts of reflected sunlight c. more or less light from the Earth is reflected as the Moon turns around it d. clouds get in the way of the Moon's light and cover up parts of it e. the Earth's shadow falls on the Moon to different degrees as the Moon goes around correct answers b. ...

A lightyear is the distance that _________ can travel in one _____ correct answers light, year How many km in a lightyear? correct answers 9.50 x 10^12 km How many KM in an AU correct answers 1.5 x 10^8 How many AU in a lightyear correct answers 63,000 AU Earth is a planet while the Sun is a________ correct answers Star Solar System correct answers consists of the sun, the planets, and some smaller bodies such as moon, asteroids, and comets - one planetary system Name the plane...

What are the Jovian planets in our solar system? correct answers Jupiter, Saturn, Uranus, and Neptune What are the Jovian planets compositions? correct answers Jupiter & Saturn -Made of mostly hydrogen and helium -Very small components of rock and metal Uranus & Neptune -Much smaller than Jupiter and Saturn -Smaller compounds of hydrogen and helium -Hydrogen compounds such as -Water -Methane -Ammonia -Smaller components of rock and metal How are Jovian planets different? cor...

AST 111 Exam Study Questions (Latest Update) with Verified Answers

AST 111 Exam | Questions with Verified Answers

What are photons? correct answers particles of light Light always behaves like a stream of particles. (T/F) correct answers True The energy of a photon is directly proportional to its wavelength correct answers False How fast does electromagnetic radiation travel? correct answers speed of light Photons with high energy will have (blank) frequency and (blank) wavelength correct answers High, short X-Rays have (blank) energy, (blank) wavelength, and (blank) frequency than radio wav...

7 protons and 8 neutrons correct answers N-15 (7 protons) is an isotope of nitrogen. Its nucleus consists of: absorb correct answers A Hydrogen atom with its electron in the second energy level can ________ energy so that the electron moves to an energy level farther from the nucleus. rising gas below the photosphere correct answers Granulation is caused by: Ozone (O3) correct answers As mentioned in class, the molecule that is most responsible for blocking gamma-rays from space is: ...

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