the universe study notes

Question Answer
What is the authors purpose to inform
In the first paragraph in pg.152 who is the closet neighbor to earth moon
what is the main idea of the first paragraph in pg.152 is to show the distances in space
stars are born within nebulas. true or false? true
Young stars are always brighter than the sun.true or false false
when stars are older they become red giants.true or false? true
what generalization can be made about the formation and life cycle of stars?A)Young stars are always brighter than the sun.B)New stars are always found at the top of nebulas.
c)some stars never become red giants.d)some starsgrow ata faster rate thanothe
D = some stars grow at a faster rate than others
What is big in section;and infinite in size Universe
what is the milky way called Galaxy
section of the universe Milky Way
our section of galaxy 9 planets and sun Solar System
why is our planet considered the lonely part our part of the galaxy in our solar system has very few stars placed near us.
what are the 4 types of galaxies spirals,ellipticals,barred spirals,and irregulared shaped.
disk shaped;older stars in center and younger stars in arms spirals
most common;shaped like eggs ellipticals
central stars from bar barred spirals
rarest'dont fit pattern irregular shaped
what are the most common ellipticals
what are the most rarest irregular shape
what do they need to see far away galaxies radio telescope
why do they need the radio telescope to see the far away galaxies before the light fades before reaching the earth
when are quasars produced produced from radio and light waves and when stars vanish into a black hole
why does the author think we are at the golden age of discovery? we have discovered many new things and because of the technology we have and we still have more to discover

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