Main sequence stars - Study guides, Class notes & Summaries

Astro 7n Exam 2A 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 - correct answer B If a red giant appears the same brightness as a red main sequence star, which one is further away? A. the red giant B. we cannot tell C. it...

If star Alpha Centauri moved to 10 miles faster than it is now, the parallax angle would? correct answers get smaller What do you need to measure in order to determine a stars luminosity? correct answers Apparent brightness and distance Which of these stars clusters is oldest? correct answers A cluster whose brightest main sequence stars are yellow What two factors of info do you need for characteristics of stars? correct answers Its mass and it's stage of life Star A and B are iden...

Astro 7n Exam 2A 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 - correct answer B If a red giant appears the same brightness as a red main sequence star, which one is further away? A. the red giant B. we cannot tell C. it...

Astro 7n Exam 2 Question and answers 100% correct 2024 Astro 7n Exam 2 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 - correct answer B If a red giant appears the same brightness as a red main sequence star, which one i...

Multiple Subjects Praxis - Science (5005) Form 1 Questions and Answers Already Passed Which of the following represents a biome? A. An extended family of chimpanzees B. A stand of bamboo C. An orchid and the insects that feed on it D. A tropical rain forest Option (D) is correct. A biome is a large geographic area with a climate that supports distinctive plant and animal groups. A tropical rain forest is an example of a biome. Which of the following planets is closest to the Sun? A. Mars ...

Space Exploration|Complete Questions with A+ Graded Answers main sequence a diagonal area on an H-R diagram that includes more than 90 percent of all stars white dwarf A small, hot, dim star that is the leftover center of an old star Luminosity the true brightness of an object light year the distance light travels in one year blueshifted the doppler shift toward shorter wavelengths of light from an approaching object Redshifted stars moving away from Earth Ne...

Real Asvab Test 121 Questions with Verified Answers A square has how many sides? - CORRECT ANSWER 4 How much is 2 plus 2? - CORRECT ANSWER 4 A rose is a what? - CORRECT ANSWER A flower What is the best explanation of how a smooth round stone became smooth? - CORRECT ANSWER It was in a stream for a long time If you place bean seeds between moist paper towels and watch the stem leaves appear you will see a demonstration of? - CORRECT ANSWER germination Any astronomical body that ...

Light-Year is the distance light travels in one year; 1 light-year = 10,000,000,000,000 km or 10 trillion km Apparent Magnitude is a measure of how bright an object appears from Earth Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:00 Full screen Luminosity also known as the absolute magnitude; it is the true brightness of an object Nuclear Fusion is a process that occurs when the nuclei of several atoms com...

Life Cycle of Stars Brain Pop Quiz with Complete Solutions What is a stellar nursery?q A cloud of gas and dust What does the prefix "proto" mean? "first" or "before" In what order do these stages of a low-mass star occur? [Red giant, white dwarf, main sequence star] Main sequence star, red giant, white dwarf What is the process of nuclear fusion, as it occurs inside our Sun? Hydrogen atoms combine to make helium atoms What effect does gravity have on stars? It forms sta...

PHSC 102 Final Bushnell MSU 2024 Exam Questions with Correct Answers How long does the sunspot cycle last, on average? - Answer -about 11 years The vibrations of the Sun reveal information about - Answer -the interior structure of the sun True or False? The most abundant element in the Sun is helium. - Answer -False What is it about the Sun's corona that astronomers don't understand? - Answer -The corona is much hotter than layers of the Sun that are closer to the solar interior. ...