Stellar luminosity Study guides, Revision notes & Summaries

 -1.5 magnitude Sirius appears 25x brighter than 2 magnitude Polaris.  “All neutron stars are pulsars, but not all pulsars are neutron stars” FALSE  “Spectroscopic Binary” is the term given to a pair of stars that we can determine are orbiting each other only by measuring their periodic Doppler shifts.  A 6.8 solar mass neutron star does NOT exist.  A loop of gas and charged particles following the magnetic field lines between sunspot’s poles is a Prominence/...

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 further away? A. the red giant B. we cannot tell C. it depends on the phase o...

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 further away? A. the red giant B. we cannot tell C. it depends on the phase o...

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 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:...

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:...

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 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:...

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...

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...