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Astronomy 100 Exam 1 Study Guide Questions and Answers Already Passed kepler's second law - Answers the orbital speed of a planet varies so that a line joining the sun and the planet will sweep over equal areas in equal time interWith age, adolescents develop a more sophisticated theory of mind, which is the ability to: annular eclipse - Answers an eclipse in which the body in front does not completely cover the other celestial equator - Answers an imaginary line on the celestial sphere ly...

ASTR 5 QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2025/2026 Which of these objects is the smallest? - Answers Supercluster Galaxy Cluster Sun Solar system -sun Which of these parts of our cosmic address is NOT correct? - Answers Galaxy Cluster = Virgo Group Which of these is true about stars and their locations in the sky? - Answers The altitude for a star at zenith is 90 degrees You see a star to the southwest. I'm five minutes, the star will most likely be at: - Answers A lower...

In the context of nuclear reactions in the Sun, protons collide directly with other protons in the proton-proton chain to form: AnsHelium Nuclei The two most abundant elements in the Sun, with the most abundant given first, are AnsHydrogen and Helium When energy is first produced by fusion deep in the core of the star, that energy moves outward mostly by what process? AnsRadiation Which color star is likely to be the hottest? AnsBlue At an astronomical conference, an ...

ASTR MID TERM PRACTICE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+

Suppose you view the Solar system from high above North Pole. Which of the following statements about planetary orbits must be true? AnsAll the planets orbit counterclockwise around the Sun. The terrestrial planets in our Solar System are ____. AnsMercury, Venus, Earth, and Mars The Jovian planets in our Solar System are _____. AnsJupiter, Saturn, Uranus, and Neptune Which Jovian planet does not have rings? AnsAll of the Jovian planets have rings Which moons are som...

5) Why do asteroids and comets differ in composition? A) Asteroids formed inside the frost line, while comets formed outside. B) Asteroids and comets formed at different times. C) Comets formed from the jovian nebula, while asteroids did not. D) Comets are much larger than asteroids. E) Asteroids are much larger than comets. AnsA) Asteroids formed inside the frost line, while comets formed outside. Why aren't small asteroids spherical in shape? A) The strength of gravity on...

Based on the current scientific evidence, what is the current age of the universe in years? You must be within 10% of the currently accepted value. Ans13.8000 Gyr Match the terms with the descriptions provided. Note that some terms are used more than once. A Rotation B Astronomical Unit C Light Year D Orbit The average distance between the Earth and the Sun. Approximately 150 million kilometers. The distance that light can travel in one year. Earth's ____...

Which of these numbers is larger and by approximately how many times? a) 2.1 x 106 or 2.2 x 104 b) 2.1 x 106 by 2 times c) 2.1 x 106 by 100 times d) 2.2 x 104 by 2 times e) 2.2 x 104 by 100 times Ansc) 2.1 x 106 by 100 times Proxima Centauri is: a) the closest star to the Sun b) Part of the Milky Way galaxy c) Part of the same galaxy cluster as our Sun d) More than 1 light year away e) all of the above Anse) All of the Above Uranus is 20 AU from the Sun. Uranus is...

A theory, in science, is a guess about what might be true. AnsFalse Once a theory is proved in science, scientists stop testing it. AnsFalse The sun is a part of a. The Solar System b. The Milky Way Galaxy c. The Universe d. All of the Above Ansd. All of the Above A light-year is a measurement of a. Distance b. Speed c. Mass d. Time Ansa. Distance The average distance from Earth to the Moon is 384,000 km. a. How many hours would it take, traveling a...

How far out does the camera move with each step? Ansa factor of 10 How many orders of magnitude in size between the center of the atom and furthest reaches of the Universe? Ans40 Powers of Ten goes out to a distance of 100 million Light Years. How many more steps (orders of magnitude) would it have to go to encompass the whole known Universe? Anstwo How does the distance covered by light in one second compare to the size of the Moon's orbit? Ansit is slightly smaller ...