Geography Flashcards

(68 cards)

1
Q

Study of Universe

A

Cosmology

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2
Q

Most Accepted Theory (origin of the universe)

A

The Big Bang Theory

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3
Q

Big Bang Theory was given by __

A

Georges Lemaitre (Belgian)

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4
Q

Black Hole at the centre of Milky Way Galaxy

A

Sagittarius A*

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5
Q

Nearest Galaxy

A

Andromeda

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6
Q

Mass of Sun

A

Hydrogen

Helium

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7
Q

Within sun, Hydrogen is converted into Helium wit the process of ___

A

Nuclear Fusion

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8
Q

Outer Layer of Sun

A

Corona

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9
Q

Temperature of Sun (Surface)

A

6000°C

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10
Q

Temperature of Sun (Center)

A

1,50,00,000

15 thousand thousand

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11
Q

Shining Surface of Sun

A

Photosphere

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12
Q

Outer Layer

A

Corona

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13
Q

Closest Planet to the Sun

A

Mercury

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14
Q

Smallest Planet

A

Mercury

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15
Q

Planets with no sattelite

A

Mercury & Venus

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16
Q

Nearest Planet to Earth

A

Venus

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17
Q

Slowest Rotation

A

Venus

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18
Q

Brightest Planet

A

Venus

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19
Q

Hottest Planet

A

Venus

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20
Q

Evening Star

A

Venus

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21
Q

Earth’s Twin

A

Venus

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22
Q

Morning Star

A

Venus

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23
Q

only two planets: Rotation- East to West

A

Venus

Uranus

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24
Q

Blue Planet

A

Earth

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25
Inner Planets
Mercury Venus Earth(biggest) Mars
26
Which planet is in the 'goldilock zone'
Earth | Goldilock zone: Not too Hot, Not too Cold
27
Rotation Time of Earth
23 Hours 56 Mins 4 Seconds
28
Study of Moon
Selonology
29
Selonology
Moon
30
____ is also know as Fossil Planet
Moon
31
Red Planet
Mars | Red because of (Fe203)
32
Satellites of Mars
Phobos | Deimos
33
Phobos
Satellite of Mars
34
Deimos
Satellite of Mars
35
Winter Planet
Jupiter
36
Shortest day of all the planets
Jupiter (9hrs, 55 mins)
37
Number of satellites of Jupiter
79
38
Largest Moon in the solar system
Ganymede (largest moon of Jupiter too, obvi)
39
Second Largest Planet
Saturn
40
Only Planet with visible rings
Saturn
41
Flattest Planet
Saturn
42
Planet with Maximum Satellites in the solar system(82)
Saturn (82-20 new ones discovered)
43
Green Planet (due to Methane)
Uranus
44
First planet discovered with a telescope
Uranus
45
Uranus rotation
East to West
46
Venus Rotation
East to West
47
A planet on it's side
Uranus(because of it's rotation)
48
Farthest Planet from Sun
Neptune
49
Coldest Planet
Neptune
50
Heavenly Bodies between Mars & Jupiter
Asteroids/ Planetoids
51
Asteroids are present in ____ belt
Asteroid Belt
52
heavenly bodies which are usually small and burn completely before the surface of Earth
Meteors | Meteorites
53
Meteors-Small
Meteorites-Large
54
_____ aka Shooting Stars
Meteor
55
____ aka visitors of the solar system
Comet
56
____ aka Non-Permanent Member of Solar System
Comet
57
___ aka Hairy Star
Comet
58
Composition of comets
Mainly of Frozen Gases
59
Longest River
Nile
60
Largest River
Amazon
61
Biggest/Deepest/Largest Ocean
Pacific Ocean
62
Highest Peak
Mt. Everest
63
Second Highest Peak
K2 (Godwin Austin)
64
Largest Country
Russia
65
Smallest Country
Vatican City
66
Largest Gulf
Gulf of Mexico
67
Deepest Point
Mariana Trench | jk, your mom
68
Highest Waterfall
St. Angel's Fall, Venezuela