Main sequence stars - 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:...

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...

ASTRONOMY EXAM FINAL!!!! QUESTIONS AND ANSWERS 100% SOLVED What is the mass that divides low mass stars from high mass stars? (what is the criteria for a low mass star or a high mass star in terms of M) ️️M < 8M = low mass M > 8M = high mass What is the evolutionary endpoint for most low mass stars? ️️White Dwarf What is the evolutionary endpoint for most high mass stars? ️️Neutron Star What is happening in the core of a star while it is on the main sequence? ️️...

Astro 1 Exam 2 PSU | 100 Verified Questions with 100% Correct Answers | Updated for Academic Year Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. - What is the order of the planets with distance from the Sun? Venus - Which planet has the highest surface temperature? Jupiter - Which planet has the largest mass? Uranus - Which planet has the largest tilt of its spin axis? Mercury - Which planet has the largest temperature variations? Venus - Which planet rotates backw...

AS101 Assignment #9W Questions and Answers 100% Pass What do you call the region of the HR diagram that represents giant stars that are fusing helium in their cores and then in their shells? - horizontal branch Why are star clusters important to our study of stars? - because they allow us to test our theories and models of stellar evolution What property is the same for all stars in a star cluster? - age Which point indicates the location on the H-R diagram of a one-star-mass star when it...

Psci21 Exam Questions and Answers 100% Pass How was the sun appear from a distance of 10 parsecs - It would look like one of the faint stars in the handle of the little dipper what event in 1957 promoted the formation of NASA - The launch of the satellite sputnik by the Russians How many Americans have walked on the moon - 12 What was the main reason given by President Obama for not returning to the moon? - We have already been there. What important finding of the Columbia accident boar...

Which two factors primarily determine the characteristics of a star? Ans- its mass and its stage of life Star A is identical to Star B, except that Star A is twice as far from us as Star B. Therefore... Ans- both stars have the same luminosity, but the apparent brightness of Star B is four times that of Star A Which of the following statements about spectral types of stars is not generally true? Ans- The spectral type of a star can be used to determine its distance. Sirius is a star ...

Astro 7N Exam Set Questions With Reviewed Correct Detailed Answers New Update!! 1. A 2 solar mass main sequence star is at the same distance as a 0.2 solar mass main sequence star. Which star appears brighter? - ANSWER the 2 solar mass main sequence star appears brighter 2. Which of the following features, debated by various authors and artists in your reading for this project as to whether or not it is inevitable in animal evolution, appears in nearly all of David Aguilar...

©BRAINBARTER EXAM SOLUTIONS 2024/2025 ALL RIGHTS RESERVED. 1 | P a g e ERTH 101 Exam 3 Questions With Correct Answers Plasma - answerelectrically charged matter sun is made of this Thermonuclear fusion - answerThe fusion that takes place under high temperature The joining together of nuclei to form larger nuclei. Hydrostatic equilibrium - answerthe condition in which gravity and radiation pressure are balanced Radiation Pressure - answerthe pressure resulting from the impact of photo...

You learned about the general concept of parallax in Chapter 2, and the video offers a review of the basic ideas. To check your understanding of the concept, which of the following is a valid way of demonstrating parallax for yourself? a. Get a camera, and photograph a person who is running back and forth. b. Hold up your hand in front of your face, and move it slowly back and forth. c. Hold up your hand in front of your face, and alternately close your left and right eyes. d. Look up ...