Ihs space 2 Flashcards by Sai Shashank Kolakaluri

Q

Star

A

Luminous spheres of plasma held together by their own gravity

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Q

low and meduim stars are what

A

sun red giants white dwarf and planetary nebula

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Q

what are high mass stars

A

red super giant and supernova main sequeance

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Q

red stars are what

A

low heat high brightness

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Q

blue stars are what

A

high heat but low brightness

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Q

what is a nebula

A

a cold dense regions of gas and dust

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Q

red giants are what

A

cooler and brighter

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Q

supergiants lives are often what

A

ending

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Q

when low to meduim stars lose their fuel

A

they create a dense sheild

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Q

nebula stars turn to what

A

main seuqence

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Q

main sequences turn to what

A

red giant and red supergiant

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Q

a redgiant turns to

A

a planetary nebula

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Q

A resdupergiant turns intio

A

supernova

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Q

supernova turns to

A

neutron star or black hole

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Q

planetary nebula turns into what

A

white dwarf

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Q

How does a black hole form

A

when the core of a massive star collapses under its own gravity

Q

Element abduance hydrogen

A

73.9

Q

Element abduance helium

A

24

Q

Element abduance oxygen

A

1

Q

Element abduance CARBON

A

0.5

Q

Element abduance NEON

A

0.1

Q

Element abduance IRON

A

0.1

Q

Element abduance ALL OTHERS

A

0.3

Q

Layer of stars Blue

A

O blue 28k to 50k

Q

Layers of Stars light blue

A

10k-28k

Q

Layers of Stars white

A

7.5k to 10k

Q

Layers of Stars light yellow

A

6k to 7.5kk

Q

Layers of Stars yellow

A

5k to 6k

Q

Layers of Stars orange

A

3.5k to 5k

Q

Layers of Stars red

A

2.5k to 3.5k

Q

after the big bang what happened

A

gravity caused slight density flucations to groq

Q

where is the supermassive black hole

A

middle of the galaxy

Q

A

Q

the big bang was how old

A

14 mill

Q

d

A

Q

what is dark matter

A

is invisible and is 85 percent of the matter

Q

A