Astronomy 101 - Study guides, Class notes & Summaries

AU-astronomical unit Correct Answer-Earth's average distance from the sun. Used to describe distance within the solar system Light Year- ly Correct Answer-Distance light can travel. which is about 10 trillion km. Used to describe distance of stars and galaxies. measure of distance not time. Solar system Correct Answer-consists of sun,planets, and their moons; which is held together by a common center. Local Group Correct Answer-more than 70 galaxies put together galaxy clusters Corr...

Astronomy 1010 Clemson Final Exam with Complete & Verified Solutions What causes the seasons? - ANSWER 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.

Astronomy 1010 (Final Study Guide 1-5): Qs & As

GSU FINAL ASTRONOMY 1010 – QUESTIONS AND ANSWERS

The region around Earth where the magnetic field traps charged particles is the... Correct Answer-Van Allen Radiation Belts What is the most abundant gas in Earth's atmosphere? Correct Answer-Nitrogen A planetary atmosphere with ozone could protect surface dwellers from... Correct Answer-Ultraviolet Radiation The principal greenhouse gasses in our present atmosphere are: Correct Answer-Water Vapor and Carbon Dioxide As seen from the Moon, how often does the sun rise? Correct Answer-...

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 1010 Exam #2 Chapter 12 with Complete & Verified Solutions During the formation of the Solar System, smaller particles in the solar nebula combined to form planetesimals, some of which provided the building blocks for planets. The majority of planetesimals did not become planets, however, and some of them remain in the Solar System today as debris left over from the time of planet formation. Asteroids are a special class of planetesimals that orbit around the Sun.

Astronomy 101 Chapter 1 Questions with Correct Answers.