Please, I'm so hot that my mother calls me son. Flashcards

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1
Q

Composed of Hydrogen which eventually fuses into Helium

A

Sun

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2
Q

Diameter of the sun?

A

1,392,648 km

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3
Q

The sun contains __% of the total mass of the solar system

A

99.86

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4
Q

Composition of the sun

A

Hydrogen, Helium, Nickel, Iron, Silicon, Sulfur, Calcium, Neon

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5
Q

Cooler than the core; has photons(?)

A

Radiation Zone

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6
Q

Outermost layer

A

Photosphere

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7
Q

This is the site of nuclear fusion

A

Core

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8
Q

Next layer after radiation zone

A

Convection Zone

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9
Q

Super outermost layer of the sun; causes solar flares that travel from sun to Earth in the speed of light

A

corona

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10
Q

particles of energy are called??

A

photons

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11
Q

Approximate distance of sun from the Earth; term used for this distance??

A

150,000,000 km ; Astronomical Unit (AU) ; because 1AU = 150,000,000 km

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12
Q

This causes the friction with solar flare which causes Northern and Southern Lights

A

Earth’s Magnestosphere

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13
Q

Unit of distance that is equivalent to the speed of light

A

Light Year

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14
Q

Second nearest star to Earth

A

Proxima Centauri

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15
Q

Apparent movement or shifting position of star due to the observer

A

Stellar Parallax

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