Galaxy Study guides, Class notes & Summaries

Astro 7N Exam 2 Questions and Answers | Verified Updated| Latest 2024. 1. A high-luminosity star ... A: is always at a larger distance than a low-luminosity star B: emits more light than a low-luminosity star C: is always redder than a star with a lower luminosity D: is at a lower temperature than a low-luminosity star E: is always at a smaller distance than a low-luminosity star 2. If a red giant appears the same brightness as a red main sequence star, which one is farther away? A:...

Gravity is an ________ force between two objects with mass, acting along the line between them. - correct answer attractive How many stars are in the Milky Way galaxy? - correct answer 200 billion Newton's first law of motion says that an object at constant velocity will remain at constant velocity unless acted upon by a - correct answer force In his General Theory of Relativity, Einstein revised our understanding of - correct answer gravity Early astronomers believed the earth was ...

Billy Mitchell Aerospace Questions and Answers Rated A+ Location of space Beyond the influence of earth Micro gravity small or low gravity Cislunar space the space between the earth and the moon interstellar space the distance from one solar system to another interplanetary space the space from the center of the sun to the orbit of Pluto galaxy an enormous collection of starts arranged in a particular shape universe everything that exists galaxy shapes spiral, elliptic...

Astro 7N Exam 2 Questions and Answers | Verified Updated| Latest 2024. 1. A high-luminosity star ... A: is always at a larger distance than a low-luminosity star B: emits more light than a low-luminosity star C: is always redder than a star with a lower luminosity D: is at a lower temperature than a low-luminosity star E: is always at a smaller distance than a low-luminosity star 2. If a red giant appears the same brightness as a red main sequence star, which one is farther away? A:...

GED Test 740 Questions with Verified Answers "WOW! Mom rides a kayak at noon." How are the underlined words alike? - CORRECT ANSWER They are palindromes Who was the author of Common Sense: Thomas Paine or Thomas Jefferson? - CORRECT ANSWER Thomas Paine What is NOT a real shark: hammerhead, shovelhead, or tigerhead? - CORRECT ANSWER tigerhead What is the force that slows down an object or stops its motion? - CORRECT ANSWER friction Which is greater than 90 degrees: an acute angle...

TABLE OF CONTENTS: Preview: The Cosmic Landscape Chapter 1: The Cycles o f the Sky Chapter 2: The Rise of Astronomy Essay 1: Backyard Astronomy Chapter 3: Gravity and Motion Chapter 4: Light and Atoms Essay 2: Special and General Relativity Chapter 5: Telescopes Chapter 6: Earth Chapter 7: The Moon and Tides Essay 3: Keeping Time Chapter 8: The Terrestrial Planets Chapter 9: The Giant Planets Chapter 10: Small Bodies Orbiting the Sun Chapter 11: Planetary Systems Essay 4: Life in the Universe Ch...

SETI Correct Answer-Search for Extraterrestrial Intelligence What does ETI need? Correct Answer-1. A platform 2. Stability 3. Emergence, persistence and gradual evolution 4. Be communicative Water's special properties Correct Answer-Contracts at lower temperatures, high heat capacity, important for chemical reactions How many stars in the Milky Way could be suitable for ETI? Correct Answer-At least a few billion Habitable zone Correct Answer-area around a star that life can exist...

NST1502 Assignment 3 2023 () 100% TRUSTED workings, explanations and solutions. Whatsapp 067 171 1739 for assistance .............................. QUESTION 1 Define the following terms: 1.1 Planet 1.2 Oort cloud 1.3 Solar system 1.4 Galaxy 1.5 The moon 1.6 Atmosphere 1.7 Earth 1.8 Lithosphere 1.9 A star 1.10 Universe [20] QUESTION 2 2.1 Differentiate between revolution and rotation. (2) 2.2 When considering revolution and rotation, which one creates day and night, and which on...

Name: Date: STUDENT EXPLORATION: BIG BANG THEORY – HUBBLE’S LAW DIRECTIONS: FOLLOW THE INSTRUCTIONS TO GO THROUGH THE SIMULATION. RESPOND TO THE QUESTIONS AND PROMPTS IN THE ORANGE BOXES. Vocabulary: absolute brightness, absorption spectrum, apparent brightness, Big Bang theory, blueshift, Cepheid variable, Doppler shift, Hubble constant, Hubble’s law, luminosity, megaparsec, period, redshift, spectrograph Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Standing by th...

can pass through the ionosphere accept atmosphere for ionosphere do not accept air for ionosphere accept travel in straight lines accept not refracted / reflected / absorbed by the ionosphere correct answer: Q1. b) Some satellites are used to transmit television programmes. Signals are sent to, and transmitted from, the satellites using microwaves. What is the property of microwaves that allows them to be used for satellite communications? .............................................