8.1 Flashcards

1
Q

Constellation

A
A group of stars that from earth form a recongnixable form 
Examples
Ursa major
Ursa Minor
Cassiopeia
Orion
Pegasus
Sagittarius
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2
Q

Asterisms

A

Smaller recongnixable patterns within constellations

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3
Q

Astronomical phenomenon

A

A term that refers to any observable occurrence relating to astronomy

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4
Q

Protostar

A

A star in its first stage of formation

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5
Q

Chromosphere

A

A thin layer in the suns atmosphere that lies anove the photosphere

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6
Q

Photosphere

A

The part of the sun we see from earth has the lowest temperature

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7
Q

Corona

A

Outmost layer of the sun p

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8
Q

Sunspot

A

A region on the suns surface that is cooler than surrounding areas

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9
Q

Prominence

A

A large often curved bright stream of particles extending outward from the photosphere and into the corona

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10
Q

Solar flare

A

A massive explosion at the surface of the sun

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11
Q

Coronal mass ejection

A

Extremely powerful kind of flare

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12
Q

Solar wind

A

And explosion caused when loops in the sunspot region suddenly connect
Constant flow of particles streaming out of the suns surface in all directions

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13
Q

Aurora borealis

A

Light displays caused by solar wind

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14
Q

Comet

A

Celestial object made of ice and dust

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15
Q

Meteor

A

A object that upon entering earth burns up

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16
Q

Planet

A

A celestial object that orbits one or more stars and is capable of forming into a spherical shape as it melds under the weight of its own gravity