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Science > Constellations and Stars > Flashcards

Constellations and Stars Flashcards

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1
Q

are distant celestial bodies from Earth and Sun is the nearest one, these produce light and heat from burning nuclear forges inside their cores

A

Star

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2
Q

The only star in our solor system, all planets, comets, and asteroids revolve around it

A

Sun

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3
Q

sun is about ____ million miles away from the Earth

A

93 million

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4
Q

a distance that light travels in one year

A

Light Years

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5
Q

The Sun is a?

A

Yellow Dwarf, 864000 mi in diameter

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6
Q

how old is the sun

A

4,500,000,000

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7
Q

Temperature of the Sun

A

5537C

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8
Q

Characteristics of a Star

A

Color and Temperature
Size
Brightness

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9
Q

is based on the apparent
magnitude or brightness of stars as observed from Earth and the absolute magnitude
or brightness of stars at a standard distance of 10 parsecs or 32.6 light-years from
Earth.

A

Brightness

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10
Q

a large star shines _____ than a small star

A

Brighter

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11
Q

a hot star shines ____ than a cool star

A

Brighter

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12
Q

the star brightness as seen on the earth which is affected by its distance from our planet

A

Apparent Brightness

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13
Q

the stars actual brightness if they are to be seen at the same distance from the earth

A

Absolute Brightness

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14
Q

indicates its approximate surface temperature as

A

Color and Temperature

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15
Q

order of stars by color

A

Red
Orange
Yellow
White
Blue

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16
Q

largest star known in the universe, has a radius of 1.188b km

A

Uy Scuti

17
Q

smallest known star in the universe, has an equatorial radius of 60268 km

A

EBLM J0555-57

18
Q

cloud of dust and mostly hydrogen gas, stars are born here

A

Nebulae

19
Q

As earth spins, stars appear to move

A

Rotation on its own axis, Counterclockwise

20
Q

Due to Earth’s rotation, stars appear to move accross our night sky from?

A

East to West

21
Q

What is the star found in the north, does not seem to move, apmost directly on earth’s axis points

A

Polaris

22
Q

patterns in the sky and these patterns
are called

A

Constellation

23
Q

a group of ____ forming a recognizable pattern that is traditionally named after its apparent ____ or identified with a _______ figure

A

Stars
Form
Mythological

24
Q

It came from what Latin words?

A

Con - Group
Stella - Stars

25
Q

how many contellations are recognized by the IAU (International Astronomical Union)

A

88 Constellations

26
Q

a prominent pattern or group of stars, typically havibg a popular name but smaller than a constellation

A

Asterism

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