Celestial sphere - Study guides, Class notes & Summaries

Astro 101 - Exam 1 UMich Questions & Answers 2023/2024 what is our planet in the solar system - ANSWER-part of the solar system, in the milky way galaxy, in local group of galaxies, in local supercluster how did we come to be - ANSWER-the Big Bang which produced hydrogen and helium where did elements come from - ANSWER-the big bang produced H and He, which are the base of other elements constructed in stars how old are we in comparison to the universe - ANSWER-human civilization is...

Final Exam ASTR 101 Connick / Clemson Exact Questions with Correct Answers. Fact - correct answers an observation or measurement (repeatable) hypothesis - correct answers testable explanation of an observation law - correct answers a series of observations that can be used to make predictions theory - correct answers well developed ideas, tied to physical laws, that make predictions principle - correct answers general ideas that guide the construction of new theories ...

Celestial Sphere correct answers For purposes of surveying, an assumption is made that the stars and other heavenly bodies are all fixed within a gigantic sphere with an infinite radius whose center is the Earth. This sphere is called the ________. 360 degrees 59.14' per 24 hours correct answers The speed of rotation of the celestial sphere is _______, thus making slightly more than one revolution per day. Angular relations correct answers Are measured on earth between celestial bodies or...

1) How many stars can you see with your naked eye on a clear, moonless night from a dark location? A) fewer than a thousand B) a few thousand C) about ten thousand D) about a hundred thousand E) more than you could count in your lifetime - correct answer B) a few thousand 2) Which of the following best describes the modern definition of a constellation? A) a region of the celestial sphere B) a pattern of bright stars in the sky C) a Greek mythological figure D) a collection of stars ...

Constellations Correct Answer-Recognizable patterns of stars in the sky (big dipper, orions belt) Makes locating stars easier. The official borders were set in 1928 by the International Astronomical Union (IAU). How many constellations are there? Correct Answer-88 Celestial sphere Correct Answer-our view of the night sky; an artificial sky map created by astronomers that applied a coordinate system to it, analogous to the coordinate system of north-south latitude and east-west longitude ...

Even though it is not realistic, why is the celestial sphere model useful? Correct Answer-Describes the locations of things "on" the sky. Declination is measured from the _________ to the __________ Correct Answer-celestial equator; celestial poles How do you measure right ascension? Correct Answer-Measured from "First point in Aries" around the celestial equator Latitude is to declination as longitude is to __________ Correct Answer-Right Ascension Why are the zodiacal constella...

astronomy Correct Answer-the oldest natural science how many constellations are there over the celestial sphere? Correct Answer-88 Ecliptic Correct Answer-apparent path of the Sun across the Celestial Sphere. Constellation Correct Answer-a region in the sky useful for mapping the sky. The brightest stars in a constellation Correct Answer-may actually be quite far away from each other zentih Correct Answer-the point directly overhead (altitude= 90) horizon Correct Answer-all poi...

Test Bank For Explorations: An Introduction to Astronomy 9th Edition by Thomas (Arny) Directly above Earth's equator lies the ________ in the sky. A) North Celestial Pole B) South Celestial Pole C) Celestial equator D) ecliptic Answer: C Difficulty: 1 Easy Section: 01.01 Topic: Locating Objects in the Sky Bloom's: 1. Remember Gradable: automatic Subtopic: Celestial Sphere Model 2) All celestial objects rise in the east and set in the west because A) Earth is rotating from east to ...

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...

Celestial Sphere correct answers a sphere with an infinite radius whose center is the earth 360°59.14' or 24 hours, 1 rev a day correct answers speed of rotation of the celestial sphere Celestial Poles correct answers are the points on the surface of the celestial sphere pierced by the extension of the earth's polar axis Celestial Axis correct answers is the prolongation of the earth's polar axis Zenith correct answers is the point where the plumb line at the place of observation...

Why do we see the Moon appear to go through phases as seen from Earth? A. The Moon reflects "Earthshine", so it depends on how much light from the Earth is hitting the Moon B. As the Moon rotates, it presents a different phase to us over the course of its "day". C. Depending on where the Moon is along its orbit, we see different amounts of its illuminated side D. The Earth's shadow blocks out part of the Moon from time to time - C. Depending on where the Moon is along its orbit, we see...