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Astronomy > Astronomy > Flashcards

Astronomy Flashcards

1
Q
  • What is the average distance between the Earth and the Sun ?
A

Astronomical Unit

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2
Q
  • When light travels from the Sun to Earth in eight minutes it is called what?
A

A Light-Year

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3
Q

What Is Parsec ?

A

used to describe large distances

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4
Q
  • A cloud of gas and dust is called what ?
A

Nebula

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5
Q

A grouping of stars that recognize a pattern on the night sky is

A

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6
Q
  • Small bodies formed from nebula’s that become protoplanets is called what ?
A

Planetesimal

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7
Q
  • What is a protoplanetary body ?
A

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8
Q

A nuclear process that releases energy is…

A

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9
Q

Terrestrial planets are

A

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10
Q
  • Jupiter is known as what ?
A

A gas giant planet

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11
Q

A chunk of frozen gases, ice and rocky debris that orbits the Sun is what ?

A

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12
Q

What is a small planetary body in orbit around the Sun ?

A

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13
Q
  • What is a scientist who studies the origin and dynamics of the universe ?
A

Cosmologist

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14
Q
  • What is the rate of change of an angle called ?
A

Angular Velocity

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15
Q
  • What is period ?
A

a division of geologic time that is longer than an epoch and shorter than an era.

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16
Q

What is revolve ?

A

17
Q

What is rotation ?

A

18
Q
  • What is sidereal day ?
A

19
Q
  • The Interval between two successive transits by tha sun is called what ?
A

Solar Day

20
Q
  • A division of time equal to 365 days is called what ?
A

A year

21
Q
  • What is orbit ?
A

22
Q
A

Astronomy (1 decks)

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