Constellations - Samenvattingen, Aantekeningen en Examens

Which of the following is the smallest? a) 1 AU b) Size of a typical planet c) 1 light-month d) Size of a typical star - b) Size of a typical planet How are galaxies important to our existence? a) Without galaxies, the universe could not be expanding b) Without galaxies, there could not have been a big bang c) Galaxies provide the gravity that prevents us from falling off Earth d) Galaxies prevent planets from leaving their orbits around stars; e.g., our galaxy prevents Earth from lea...

PHSC 121 Homeworks (1-4) 1st Exam Questions All Correctly Answered Astronomy is the study of ___________________. a. the Solar System b. galaxies c. the entire universe d. the planets of the Solar System - Answer -c. the entire universe Which of the following is not a step in the scientific method? a. evaluate science opinion b. refine hypothesis, develop theory c. evaluate data d. draw new conclusions from experimental data and observations - Answer -a. evaluate science opinio...

PHSC102 Midterm study Guide with A Grade Solutions What are the Steps to the Scientific Method? - Answer-Step 1- make an observation, pose a question or problem Step 2 - make a hypothesis (an educated guess) Step 3 - experiment - hypothesis must be testable and reproducible Step 4 - Conclusion - Results The study of the Universe. - Answer-Astonomy Totality of all space, time, matter, and energy. - Answer-Universe Radius of Earth? - Answer-6378 Km Distance from Earth to the Sun...

Science Praxis 5005 Elementary Education 100% Correct Plate tectonics Movement of continents and changes in the Earth's crust caused by internal forces Atmosphere dry gas (nitrogen, oxygen, argon carbon dioxide), water vapor, solid particles Troposphere closest to Earth's surface (weather related activities) Stratosphere Very little water, ozone layer Mesosphere Coldest layer Thermosphere Layer extends upward into space Mountains are caused by... volcanic action or tectonic plate collisi...

LUOA Earth Science Module 9 Questions and Answers Graded A Newton discovered that the gravity of a planet _________________ as the planet approaches the sun causing the planet to move ____________ around the sun in that part of its orbit. increased, faster Newton discovered that if two planetary objects moved twice as far from each other ______________________. their gravity reduced by 1/4th Explain Kepler's 2nd law of planetary motion, also known as the Law of Areas. Kepler's 2nd law of pl...

PHSC 102 Midterm Exam Questions and Answers All Correct A solar eclipse can only happen during a _______ moon. - Answer-c. New ________ is the change in an object's apparent position when viewed from two different locations. - Answer-b. Parallax That fact that Polaris will not always be the pole star is due to: - Answer-a. precession shifting the celestial pole. T/F A solar day is four minutes longer than a sidereal day. - Answer-True The seasons of the Earth result from: - Answ...

Science Bowl Astronomy Questions and Answers Already Passed A solar eclipse can only occur at a: A. full moon B. new moon C. 1⁄2 gibbous moon D. 1⁄4 gibbous moon Answer: B Which of the following constellations cannot be seen in the summer sky of the northern hemisphere? A. Libra B. Orion C. Ursa Major D. Cygnus Answer: B What percent of stars in the sky that appear to be single stars are actually binary stars: A. about 90% B. about 50% C. about 20 % D. about .5% Answer: B T...

Cosmic Address - The galaxies we see through the Hubble Space Telescope Solar System - Sun, Planets and their moons, and anything else floating in space Galaxy - Great island of stars in space all held together by gravity and orbiting a common center Where is Earth's Solar System Located in the Milky Way? - A little over halfway between the galactic center and the edge of the galactic disk Local Group - A small cluster of galaxies Supercluster - Regions of the universe that is ti...

How many miles are between the Earth and the Sun? correct answers 93 million How big is a light year? correct answers 9.3x10¹² km/s How many miles are in a light year? correct answers 6 trillion miles/1 light year How many recognized constellations are there? correct answers 88 True or False: Every star is a part of a constellation correct answers True What is a constellation? correct answers A shape in the night sky How long is written human history? correct answers 6,000 ye...

Astronomy Exam 1 Questions With Explanations astronomical unit (AU) - ANS the average mean distance between the Earth and Sun speed of light - ANS 186,000 mi/sec light year - ANS 6,000,000,000,000 miles; the distance that lights travels in 1 year through a vacuum celestial sphere - ANS an imaginary sphere of large radius which the ancient's believed the whole heavens were plastered onto constellations - ANS in modern astronomy, 88 non-overlapping sky regions, cove...