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Science: STARS

earth science questions from study guide

QuestionAnswer
north star polaris
how would one find polaris? locate the poiner stars in the big dipper, they point to polaris
if the north star is 39 degrees above the horizon, what is your latitude? 39 degrees
is a light year time or distance? distance
true or actual brightness luminosity
brightness as seen from earth? brightest? apparent magnitude
brightness if all the stars were placed at the same distance? absolute magnitude
circumpolar constellations that can be seen all year (big and little dippers and cassiopea)
seasonal only seen during certain seasons (orion,bootes)
2 most abundant elements in stars hydrogen and helium
highest magnitude (absolute)lower # or higher on H-R diagram? the lower the #, the brighter the *
on the H-R diagram, what group is the sun in? main sequence
order of our sun from youngest to oldest after main sequence/stable state nebula, stable state(main sequence, red giant, white dwarf
how far away is the nearest star beyond the sun? 4 lightyears
milky way spiral galaxy our solar system is located in
Created by: tayluv
Popular Earth Science sets

 

 



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