Binary star - Study guides, Class notes & Summaries

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...

'Fixed' Stars never move. - ️️F 0 hours of right ascension is marked off on the celestial equator. - ️️T A binary system could be determined to be binary even though we don't,see separate stars through powerful telescopes. - ️️T A black-body curve's most important revelation is - ️️a common, or surface, temperature A comet moves slowest - ️️away from the sun A G star is hotter than an M star. - ️️T A hot gas gives off absorption lines. - ️️F A kiloparsec is...

White Dwarf "Star" correct answers Result of the death of a low mass star The exposed core of a low mass star; -hot -dense -mostly carbon If there is no new energy production in a white dwarf, what prevents gravity from crushing it? correct answers Electron degeneracy pressure White dwarf "stars"- electron degeneracy pressure correct answers Electron degeneracy pressure will only hold up a star to about 1.4 solar masses, above that gravity will begin to win, resulting in the st...

ASTR 102 Exam Questions With All Correct Answers Current Update We have learned that the centre of the milky way contains a very massive black hole. We developed this understanding by: - Answer -Monitoring the orbital motions of many individual stars in the very central parts of the Milky Way If the sun were to be squashed down small enough to become a black hole, then: - Answer -The planets in the solar system would orbit the Sun in unchanged fashion (but would receive no light from it) ...

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...

The figure below shows an H-R diagram, with five stars labeled A through E. Which star has the highest temperature? - correct answer A If the sun was not currently in hydrostatic equilibrium, we would see? - correct answer the suns radius increasing and decreasing Which part of the sun is visible around the shadow of the moon? - correct answer chromosphere Stars that have spectral Type B _____ in temperature compared with stars that have spectral type M. - correct answer are hotter T...

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...

CSI 104 Practice Test Questions with Correct Answers What numeric value in hexadecimal is equivalent to the binary number BCAF BE6C 6FAD DEAD - Answer-DEAD In Windows, the MD command must be used to create a folder True False - Answer-False The _______________ contains instructions and data that provide the startup program for a computer RAM DRAM BIOS CPU - Answer-BIOS What is the binary equivalent of the decimal number 543? 1011010011 - Answer- Which topology has ...

IT 104 Midterm GMU Questions and Answers Already Passed _____ is a communications technology used by some outgoing mail servers. SMTP (simple mail transfer protocol) _____ is a personal application software that includes a wide range of built-in functions for statistical, financial, logical, database, graphics, and date and time calculations. Spreadsheet _____ is a type of high-speed memory that a processor can access more rapidly than main memory. Cache memory _____ is a wire...

___________ forces caused the gas in the thin disk to fragment into clouds or clumps with masses like those of star clusters - ️️gravitational ____________ black hole: a black hole whose mass exceeds 1000 solar mass - ️️supermassive ___________________ is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other - ️️friction (In the absence of a strong magnetic field), what is the chief factor that determines what typ...