Luminosity - Study guides, Class notes & Summaries

What are the characteristics of disk stars (yellow) of the Milky Way Galaxy? - High mass stars, the Sun, youngest stars, and stars that all orbit in nearly the same plane What are the characteristics of halo stars (green) of the Milky Way Galaxy? - Globular clusters, oldest stars, stars whose orbits can be inclined at any angle, and stars with smallest abundance of heavy elements. What are the characteristics of spiral galaxies? - They contain abundant clouds of cool gas and dust, are rare...

Luminosity - The total amount of power a star emits into space that's measured in watts. Apparent Brightness - Amount of starlight that actually reaches Earth HR Diagram - is a graphical tool that astronomers use to classify stars according to their luminosity, spectral type, color, temperature and evolutionary stage. Stars in the stable phase of hydrogen burning lie along the Main Sequence according to their mass. OBAFGKM - Oh Be A Fine Girl Kiss Me Main Sequence - the vast majorit...

Astro 102 Final Exam Ultimate Study Guide | 100% Correct Answers | Verified | Latest 2024 Version What are the characteristics of disk stars (yellow) of the Milky Way Galaxy? - High mass stars, the Sun, youngest stars, and stars that all orbit in nearly the same plane What are the characteristics of halo stars (green) of the Milky Way Galaxy? - Globular clusters, oldest stars, stars whose orbits can be inclined at any angle, and stars with smallest abundance of heavy elements. Wh...

Hue correct answers Another name for color, I.e. primary color Skin Scribe correct answers Word for surgical pen Capacitor correct answers Mini power supply or where power is held Secondary color correct answers Two primary colors mixed Tertiary color correct answers Two secondary colors mixed Chroma correct answers Brightness or dullness Value correct answers Lightness or darkness of a color Flow correct answers Mimicking the lines of the body Luminosity correct answers ...

Astro 7n Exam 2 Questions And Revised Correct Answers Already Passed 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 - ANSWER : B If a red giant appears the same brightness as a red main sequence star, which one is furth...

Gizmo Scavenger Hunt-8th Grade Statewide Science Questions and Answers Latest (Graded) What is wrong with this experiment? There isn’t a control variable everything is changing, like the amount of water the plant receives, and the amount of sunlight. 15 pts (SC.8.N.1.1) Create a controlled experiment using one of the following Gizmos (Growing Plants, Coral Reefs Gizmo, Food Chain Gizmo, Conduction & Convection Gizmo, Force & Fan Carts Gizmo, Fan Cart Physics Gizmo, Sled Wars Gizmo, ...

ASTRO 7N Exam 2 Question and answers rated A+ 2024 ASTRO 7N Exam 2 Sun's composition - correct answer Composed mostly of gas - hydrogen (73% by mass) and helium (25% by mass)` Sun's stability - correct answer Stable due to balance of gravity (inward force) and gas pressure in its hot interior (outward force) Sun's gas pressure - correct answer Gas pressure provided by nuclear fusion reactions in the Sun's core, going on at a temperature of 15 million degrees Kelvin Sun's diam...

EOSC Midterm Quizzes Questions with All Correct Answers 1) Which of the following best describes this figure? a. negative then positive feedback loop b. negative feedback loop c. positive feedback loop d. A neutral system with no positive of negative feedback e. positive then negative feedback loop - Answer- C 2) About how old are the oldest water deposited sedimentary rocks on Earth? a. 100 million years old b. 170 million years old c. 3.8 billion years old d. 2.5 billion y...

ASTRO 7N Exam 2Sun's composition - correct answer Composed mostly of gas - hydrogen (73% by mass) and helium (25% by mass)` Sun's stability - correct answer Stable due to balance of gravity (inward force) and gas pressure in its hot interior (outward force) Sun's gas pressure - correct answer Gas pressure provided by nuclear fusion reactions in the Sun's core, going on at a temperature of 15 million degrees Kelvin Sun's diameter and mass compared to Earth - correct answer Diameter:...

Science Bowl Astronomy Study Guide Rated A+ Albedo Amount of sunlight that is reflected by the surface of a planet or a satellite, such as the Moon. Aphelion The point in an orbit in which an object is at its farthest possible distance from the Sun. Apogee The point in an orbit in which an object is at its farthest possible distance from the Earth. Astronomical Unit (AU) Mean distance from the Earth to the Sun. Aurora Glow in the Earth's ionosphere caused by the interaction...