Stars the this color have the greatest surface temperature
white dwarfWhich remnant is left over as soon as a short or medium mass star runs out of energy and dies?
redStars the this color have the coolest surface ar temperature
9.5 trillionA irradiate year is _______ kilometers.

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light-yearsStellar ranges are generally expressed in what units?
magnitudeMeasure that a star's brightness
Star BIf Star A if furthermore from earth than star B and also both stars have the same absolute magnitude, which has the greater noticeable magnitude?
-5 or -10According to the H-R diagram, i m sorry magnitude would be linked with the brightest star? (Hint: prize is __ OR __)
temperature & absolute magnitudeA Hertzspung-Russel (H-R) diagram mirrors the relationship between ____ & ____.
main sequenceA star spends about 90% of its life in this phase of development.
RedThese main-sequence stars room the many massive.
BlueThese main-sequence stars are the least massive.
the hottestAccording come the H-R diagram, whch key sequence stars are brightest?
5According come the H-R diagram, the sun has an absolute magnitude of about ____.
nebulaInterstellar matter that will certainly eventually form a star.
protostar temperature nuclear fusionA star is stated to be born once a _____ reaches a ____ high enough for ____ ____ to occur.
gravityThis pressure is many responsible for the formation of a star.
supernovaMassive stars end in a excellent explosion referred to as a _____.
fuel collapseAll stars, regardless of size, ultimately run the end of ___ and ____.
red giantWhen a main-sequence star has exhausted the fuel in the core, it i do not care a ____ ____.
main-sequence starThe sun is right now classified as a:
red giantWhat is the next stage in the sun's life cycle?
spiralWhich form of galaxy is comprised of both old and also young stars?
black holeLight cannot escape the intense gravitational pull of a ____ ____.
Milky WayOur galaxy is dubbed the:
one the the spiral armsWhere is ours sun located in the Milky Way?
ellipticalAbout 60% the all well-known galaxies space classified as ____ galaxies.
14 billionAccording to the large bang theory, the universe began about ___ _____ years ago.
Which thing is largest: constellation, galaxy, star, or planet?galaxy
irregularWhich form of galaxy is consisted of of largely young stars?
irregularThis form of galaxy lacks the contrary in that is appearance.

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constellationsPatterns that stars the were originally called in honor of mythological characters or an excellent heroes.
low mass starWhich star does not usually form a red giant?
massive starWhich star blows increase in a supernova event?
irregular galaxiesAbout 30% that all recognized galaxies are classified as:
absolute magnitudeActual brightness of a star:
yellowStars through a surface temperature between 5000 K and also 6000 K appear: