Celestial sphere - Study guides, Class notes & Summaries

A feature of the Jovian planets is that _________. - ️️They are composed primarily of hydrogen Analemma - ️️The figure-8 path traced by the Sun over the course of a year when viewed at the same place and the same time each day. Represents discrepancies between apparent and mean solar time. Annual Trigonometric Parallax - ️️ Annular Eclipse - ️️Solar eclipse during which the Moon is directly in front of the Sun but its angular size is not large enough to fully block the Sun Ar...

horizon correct answerstheoretical surface flat from shores all the way to the sky celestial meridian correct answersline that goes from north to one's zenith to south directly above you, opposite of the middle of the Earth correct answershow to locate your zenith What are the cardinal points correct answersNorth, South How do you locate your celestial meridian? correct answersdraw line, start from cardinal point north to your zenith, to cardinal point South How do you find the n...

AST 101 EXAM 1 QUESTIONS AND ANSWERS 100% PASS the average distance from the earth to the sun is what unit? 1 astronomical unit the distance light travels in a year 1 light year the andromeda galaxy is how many light years away 2,000,000 ly the stars that appear to lie on a dome above us is the ____ _______ the celestial sphere the stars appear to be ____ on the celestial sphere fixed the earth is what in the celestial sphere model? the center of the universe what part of the celestial sph...

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...

4 ways light interacts with matter - ️️1. emission (lightbulb) 2. absobtion 3. transmission (air, glass) 4. relfection / scattering accretion heat - ️️deposits energy brought by planetismals accretion heat - ️️Heat generated by meteor bombardment (deposits energy brought from planets) Adaptive Optic - ️️technologie that corrects astronomical seeing Angular Resolution - ️️The ability of a telescope to distinguish between adjacent objects in the sky. Asterism - ️️A...

Geocentric correct answers The belief that Earth is at the center of the solar system Zenith correct answers point in the sky directly overhead; highest point Horizon correct answers The boundary where the sky seems to meet the ground or sea celestial sphere correct answers The apparent surface of the heavens, on which the stars seem to be fixed 90 degrees correct answers How many degrees is the celestial equator? North Celestial Pole correct answers the point directly over Earth...

1 Parsec in Astronomical Units - ️️206 265 AU 2.06x10^5 AU 1 Parsec in km - ️️3.09x10^13km 1 Parsec in Lightyears - ️️3.26ly absorbtion line spectrum - ️️Light from a hot body goes through cooler transparent gas (prism); Viewed as a full spectrum with black lines where certain wavelengths of light were absorbed by the cloud Angular diameter - ️️angle between both ends of an object in relation to observation from another object (sun & moon have similar angular diameters ...

PHSC 121 Final Exam with Complete Solutions Graded A+ 4 points of the scientific method - Answer-observation, testing, assumption, hypothesis Our solar system consists of ______ and has ___ major planets - Answer-the Sun and all the objects that orbit the Sun / 8 Why isn't Pluto considered a planet? - Answer-It does not dominate its orbit Light from the Sun takes ___ to reach Earth - Answer-8 minutess The Kuiper Belt is located __________________ - Answer-beyond the orbit of Nept...

____ introduced the idea of an off-centered Earth - ️️Ptolemy ____ must point at the sun for there to be eclipses - ️️Nodes, where orbits intersect 1 Astronomical unit (AU) is... - ️️the distance between the Earth and the Sun, which we use for distances within our solar system 1 Lightyear (ly) is... - ️️the distance light travels in a year 1 Parsec (pc) is... - ️️the distance to a star whose parallax is 1 second of arc 1604 Bayer - ️️star map - Uranometria - first to...

Astronomy Introduction Exam with Questions and Answers Astronomy ANSWER The study of the Universe. Universe ANSWER The totality of all space, time, matter, and energy. Light Year ANSWER The distance that light, moving at a constant speed of 300,000 km/s, travels in one year. One light year is about 10 trillion kilometers. Constellation ANSWER A human grouping of stars in the night sky into a recognizable pattern. Ecliptic ANSWER The apparent path of the Sun, relative to the stars ...