Astronomy 101 Study guides, Class notes & Summaries

Astronomy 1010 Midterm 1 Exam Questions and Answers

What causes the seasons? correct answers The tilt of the Earth's rotation axis to its orbit around the Sun causes parts of the Earth to experience more direct illumination from the Sun and longer days during the summer than the winter. What part of the Earth spins the fastest? correct answers the equator If you were standing at Earth's North Pole, where would you see the north celestial pole relative to your zenith? correct answers at the zenith If the star Polaris has an altitude of ...

Planetary ___ have common plane and direction, low eccentricity; correct answers orbits ___shows similar order; correct answers Rotation Moons have similar ___. correct answers motions Orbital spacing ___random. correct answers not Terrestrial and Jovian planets show ___ and composition correct answers trends in size The collapse of an interstellar cloud. As the cloud contracts, it rotates faster, and the outer parts flatten into a disk. This can be observed happening elsewhere in...

Astronomy 101 Exam #2 Questions with Complete Solutions

Which of the following are terrestrial planets? a) only earth b) earth, moon, and venus c) mercury, venus, earth, and mars d) mercury, venus, mars, moon, earth, and pluto e) mercury, venus, earth, moon, mars, and ceres Correct Answer-c) mercury, venus, earth, and mars What causes a meteor shower? a) A comet and an asteroid collide. b) Earth runs into a stray swarm of asteroids. c) Earth runs into the debris of an old comet littering its orbit. d) Meteorites are ejected from the M...

Astronomy 101 Test #1 (Chapters 1-4) Questions with Complete Solutions

Astronomy 101 Exam 1 Questions with Complete Solutions

ASTRONOMY 101 FINAL EXAM QUESTIONS WITH CORRECT ANSWERS 1. What is the main mechanism by which the lower atmosphere of Earth is heated? a. Sunlight heats Earth's surface and the resultant heat is transferred to the atmosphere by infrared radiation and convective gas motions. b. Conduction carries heat from Earth's interior to the surface where conduction in the lower atmosphere transfers this heat to the higher layers. c. friction between the winds in the atmosphere and the mounta...

What is astronomy? Correct Answer-the study of object's and phenomena beyond Earth's atmosphere [goal: to understand the physics of the Universe] What is astrology? Correct Answer-the belief that the position of heavenly bodies, and celestial events correlate with Earthly events and Human events How do you determine your astrological sign? Correct Answer-the position of the Sun in a particular zodiacal constellation on the day you were born [in ancient Greece] due to procession the signs...

How long does it take the Earth to orbit the Sun? Correct Answer-one year What is the name given to the path of the Sun as seen from Earth? Correct Answer-Ecliptic The ecliptic is best described as a(n): Correct Answer-plane How many months apart are Winter Solstice and the Vernal Equinox? Correct Answer-3 months Over what place on Earth is the Sun directly overhead on the Autumnal equinox? Correct Answer-the equator When you are facing Polaris you are... Correct Answer-...facing ...