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GEO S. > planets > Flashcards

planets Flashcards

1
Q

how does the planets revolve around the sun

A

elliptical orbit

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2
Q

two groups of planets

A
  1. inner planets
  2. outer planets
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3
Q

inner planets -

A

aka terrestrial or rocky planets
mercury, venus, earth and mars

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4
Q

outer planets -

A

aka jovial or gaseous planets
Jupiter, saturn , uranus and neptune

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5
Q

which is the smallest planet that is also the nearest to the sun

A

mercury

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6
Q

what is the revolution period of mercury

A

88 days

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7
Q

what is the fastest planet in terms of motion

A

mercury

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7
Q

which planet have no atmosphere and have extreme temperature

A

mercury

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8
Q

mars is aka [why?]

A

the red planet , coz of the presence of iron oxide in red soil and pink sky

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8
Q

which is the brightest planet after the sun and moon

A

venus

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8
Q

which is the hottest planet

A

venus 475’ c

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8
Q

venus is aka

A

morning and evening star

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8
Q

the largest moon in the solar system [satellite]

A

ganymede, satellite of jupiter

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9
Q

what are the 2 natural satellites of mars

A
  1. demos [the smallest satellite in the whole system]
  2. phobes
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9
Q

earth is aka

A

blue planet 71% water

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9
Q

revolution period of the earth

A

365 days 6 hours

9
Q

jupiter is aka

A

the winter planet coz average temp. is very low

10
Q

olympus mons

A

largest volcano in the solar system in mars

10
Q

nix olympia

A

the highest mountain [3x higher than mount everest] on mars

11
Q

largest planet of the solar system

A

jupiter

12
Q

total no. of satellites of jupiter

A

63

12
Q

what is the 2nd largest planet of the solar system

A

saturn

13
Q

saturn is aka

A

the ringed planet coz it have 7 rings

14
Q

what is the 3rd largest planet of the solar system

A

uranus

15
Q

when was uranus discovered

A

1781 by sir william herschel

16
Q

uranus is aka

A

the laying planet coz of tremendous tilt

17
Q

what color is uranus

A

greenish coz of methane, hydrogen, helium and ammonia gas in the atmosphere

18
Q

what is the 8th planet of solar system

A

Neptune

18
Q

revolution period of neptune

A

165 years

18
Q

what planets revolves clockwise

A

uranus and venus

19
Q

which planet is similar to uranus

A

neptune

20
Q

how many satellites does neptune have

A

13

21
Q

when was neptune discovered

A

1846 by john galle

22
Q

what is the 9th planet

A

pluto

23
Q

which planet is considered the smallest planet

A

pluto

24
Q

when was pluto discovered

A

1930 by claude tombaugh

GEO S. (3 decks)

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