08 Stars, Constellations, and Asterisms Flashcards

1
Q

A star is

A

a massive, luminous sphere of plasma held together by gravity.

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2
Q

Stars that are more massive than our Sun (i.e. 10 times more larger) will become a….

Once fusion stops, the ——- will have its contents collapse on its self under its own gravity. The outer layers of the star explode outwards – known as…

A

red supergiant. a supernova.

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3
Q

If a star’s initial mass was:
between 10 and 30 solar masses

A

a neutron star is formed – an extremely dense star composed of tightly packed neutrons.

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4
Q

If a star’s initial mass was:
greater than 30 solar masses

A

a black hole is formed – a quantity of matter so dense and gravity so strong that not even light can escape.

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5
Q

Constellation:

How many officially recognized constellations are there?

A

a group of stars that seem to form a distinctive pattern in the sky.

There are 88 officially recognized constellations
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6
Q

Asterisms (+example):

A

smaller groups of stars that form patterns within a constellation

i.e. the Big Dipper (an asterism) is part of the constellation Ursa Major
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7
Q

The constellations you can see depend on…

A

your latitude as well as the time of night and time of year

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