The Universe And The Solar System

Front 1

Cosmology

Back 1

Study of the universe

Front 2

Period when universe came into existence

Back 2

15 billion years ago

Front 3

Other term of universe

Back 3

Cosmos

Front 4

How did universe come into existence

Back 4

After a Big Bang

Front 5

Celestial bodies

Back 5

Natural bodies outside the earth's atmosphere

Front 6

Unit used to measure the distance between celestial bodies

Back 6

Light Years

Front 7

Galaxy

Back 7

Huge cluster of stars

Front 8

Speed of sound

Back 8

330 m per second

Front 9

When was the Milky Way formed

Back 9

5 billion years ago

Front 10

Neighbour galaxies

Back 10

Andromeda, Magellanic Clouds galaxy

Front 11

When did the solar system come to existence

Back 11

4.5 billion years ago

Front 12

Members of the solar system

Back 12

Sun,the eight planets, dwarf planets, satellites, comets, asteroids and meteoroids.

Front 13

Total space occupied by the sun in the solar system

Back 13

99.8%

Front 14

Gases found In the sun

Back 14

Hydrogen and Helium

Front 15

Surface temperature of the sun

Back 15

6000°C

Front 16

Time taken by sunlight to reach the earth

Back 16

8.3 minutes

Front 17

How many earth's can fit inside the sun

Back 17

1.3 million earth's

Front 18

Planet means

Back 18

Wanderer

Front 19

Planets that rotate clockwise

Back 19

Venus and Uranus

Front 20

Planets that rotate anti- clockwise

Back 20

Mercury, Earth, Mars, Jupiter, Saturn and Neptune

Front 21

Inner or Terrestrial Planets

Back 21

Mercury, Venus, Earth and Mars

Front 22

Outer Planets or Jovian Planets or Gaseous Giants

Back 22

Jupiter, Saturn, Uranus and Neptune

Front 23

Where is the Asteroid Belt

Back 23

Between Mars and Jupiter

Front 24

Closest planet to the sun

Back 24

Mercury

Front 25

Airless and waterless planet

Back 25

Mercury

Front 26

Any natural satellites in Mercury

Back 26

No.

Front 27

Second hottest planet

Back 27

Mercury

Front 28

Earth's Twin

Back 28

Venus

Front 29

Planet with longest rotation period

Back 29

Venus (243 days)

Front 30

Other names of Venus

Back 30

Morning Star and Evening Star

Front 31

Venus is more hotter than mercury. Why.

Back 31

Carbondioxide traps heat and clouds act as a blanket not leaving the heat to return.

Front 32

Blue Planet or Watery Planet

Back 32

Earth

Front 33

Only planet that supports life

Back 33

Earth

Front 34

Planet not named after any Greek or Roman Gods

Back 34

Earth

Front 35

Speed of earth while revolving around the sun

Back 35

30 km per second

Front 36

Distance between sun and the earth

Back 36

150 million km

Front 37

Second smallest planet and Red Planet

Back 37

Mars

Front 38

Why is Mars red in color

Back 38

Due to presence of iron oxide

Front 39

ISRO expansion

Back 39

Indian Space Research Organization

Front 40

MOM expansion

Back 40

Mars Orbiter Mission

Front 41

No.of natural satellites and its names in Mars

Back 41

Two. Phobos,Deimos

Front 42

Largest and fastest spinning planet and also with shortest days.

Back 42

Jupiter

Front 43

Largest moon in the solar system

Back 43

Ganymede (in Jupiter)

Front 44

Second largest planet and planet with highest no.of moons

Back 44

Saturn

Front 45

Planet with less density and can float in water

Back 45

Saturn

Front 46

Somersaulting and 1st planet discovered with a telescope

Back 46

Uranus

Front 47

Why Uranus appears green

Back 47

Due to presence of methane

Front 48

Coldest and farthest planet and an Ice Giant

Back 48

Neptune

Front 49

Celestial bodies found beyond Neptune

Back 49

Dwarf planets

Front 50

5 Dwarf planets

Back 50

Pluto, Ceres, Eris, Makemake and Haumea.

Front 51

Earth's satellite and only celestial body where humans have arrived

Back 51

Moon

Front 52

Time taken by the moon to revolve around the earth

Back 52

27 days and 8 hours

Front 53

Causes of craters in the moon

Back 53

Impact of meteors

Front 54

Distance between moon and earth

Back 54

3,84,400 km

Front 55

Cause of rise and fall of tides

Back 55

Moon

Front 56

ISRO's 1st Moon Mission

Back 56

Chandrayaan-1

Front 57

Other terms of Asteroids

Back 57

Planetoids on Minor Planets

Front 58

Celestial object with a head and tail

Back 58

Comet

Front 59

Famous comet

Back 59

Halley's Comet

Front 60

Other name of Meteors

Back 60

Shooting Stars

Front 61

Meteors that strike the earth are called

Back 61

Meteorites

Front 62

Time taken by earth for 1 rotation

Back 62

23 hours 56 minutes and 4.09 seconds (1day)

Front 63

Line that divides the surface of earth into a lighted and a dark half

Back 63

Terminator Line

Front 64

Time taken by earth for 1 revolution

Back 64

365 1/4 days

Front 65

Days and nights are equal on

Back 65

Equinoxes (21 March & 23 September)

Front 66

Earth's closest position to the sun

Back 66

Perihelion

Front 67

Earth's farthest position from the sun

Back 67

Aphelion

Front 68

Summer Solstice

Back 68

Tropic of Cancer faces the sun (21 June)

Front 69

Winter Solstice

Back 69

Tropic of Capricorn faces the sun (22 December)

Front 70

Spheres of the earth

Back 70

Lithosphere, Hydrosphere,Atmosphere and Biosphere

Front 71

NASA Expansion

Back 71

National Aeronautics and Space Administration (belongs to USA)