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WORLD Flashcards

1
Q

Who discovered with his newly invented telescope that jupiter has 4 four moons

A

Galileo Galilei in 1610
Four moons were :
- Io
- Europa
- Ganymede
- Callisto

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2
Q

Who was the first to describe the rings of the Saturn as a disc around it in 1655

A

Chirstiaan Huygens
Other inventions - pendulum clock, centrifugal governors and magic lantern

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3
Q

1 revolution of moon around sun is equal to how many rotation of moon on its own axis

A

One and equal to 27.3 earth days

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4
Q

Weather changes on earth are caused by

A

Heat from the sun and movement of air

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5
Q

Who explained the concept of expanding of universe

A

Edwin hubble

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6
Q

Moon’s tallest mountain

A

Huygens

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7
Q

Who discovered the four moons of saturn

A

Giovanni Cassini
Gap in the ring system of Saturn is calles Cassini Division

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8
Q

Who discovered the existence of Meson

A

Hideki Yukuwa
Meson - a particle which explain how proton and neutrons interact in nucleus

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9
Q

Who is best known for his Catalog of Nebulae and star clusters

A

Charles Messier

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10
Q

Who proved that universe was not unchanging

A

Tycho Brahe

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11
Q

When there are two full moon in a month, the second one is called

A

Blue moon

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12
Q

When full moon occurs at perigee is called

A

Super moon

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13
Q

Who discovered Pluto

A

Clyde W. Tombaugh
5 moons of Pluto - Charon, Styx, Nix, Kerberos and Hydra

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14
Q

Largest moon of Saturn

A

Titan

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15
Q

Dwarf planet which lies in the main asteroid belt

A

Ceres
Largest dwarf Planet - ERIS

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16
Q

Which belt is ring of icy bodies just outside of Neptune’s orbit

A

Kuiper belt
Pluto lies in this belt

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17
Q

Belts which are giant swaths of magnetically trapped highly energetic particles that surrounds Earth

A

Van Allen Radiation belts

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18
Q

Most famous visible constellations in summertime is

A

Ursa Major also called Big Dipper, the Great Bear or the Saptarshi

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19
Q

Second Largest Dwarf Planet in Kuiper belt in our solar system

A

Makemake

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20
Q

Windiest planet

A

Neptune

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21
Q

The theory that dinosaurs were driven to extinction by the aftermath of a large asteroid impact on Earth was given by

A

Luis Alvarez

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22
Q

About 70% of the Sun is made up

A

Hydrogen
helium - 28%
Carbon, Oxygen, Nitrogen - 1.5

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23
Q

brightest star in the Orion
Constellation

A

Rigel

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24
Q

The headquarters of the Indian Institute of Astrophysics is located in

A

Banglore

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25
The term ‘Blood Moon’ is used to refer to
Lunar eclipse
26
Which one of the following is the largest recognised constellation
Hydra
27
The approximate diameter of the sun is_____ times the diameter of Earth
109
28
In the life cycle of a star, the stage nebula refers to.
a cloud of dust and hydrogen
29
what are Jovian planets
planets which gas giants jupiter saturn neptune uranus
30
Baily's beads can be observed during a
Total Solar EClipse
31
Lucifer is another name for the planet
Venus
32
Planetary scientists call the thin gaseous envelope around the Moon as the
lunar exosphere
33
radius of the moon
1.64 * 10^6 m
34
During the phenomenon of aphelion, the approximate distance between the earth and the sun is
152 million km
35
Which planet is made up of thick white and yellowish clouds of sulfuric acid
venus
36
The _____ is responsible for Earth's magnetic field
outer core
37
The process that moves, elevates or builds up portions of the earth’s crust is called
DIastrotrophism
38
The approximate period between two consecutive new moons is ______ days
29.5
39
The summer solstice 2023 in the Northern Hemisphere occurs on
20 June
40
The Physics Phenomenon when, in Polar regions like Alaska and Northern Canada, a splendid display of colours is seen in the sky is called
Aurora Borealis
41
When does the entire earth experience equal days and nights
Equinox
42
1° latitude is equal to approximately ______ km
111KM
43
On which day of the year is the earth farthest from the sun, at a position called aphelion
4 July
44
Lines joining located at equal travel time from a common centre are called
Isochornes
45
A line drawn on a map to indicate connecting points of equal salinity in the ocean
Isohaline
46
A line on a chart connecting points of equal abundance values of a plant species sampled in different sections of an area
Isonomal
47
A line drawn through geographical points at which a given phase of thunderstorm activity occurred simultaneously
Isobronts
48
All parallel circles from the Equator to the poles are known as
Parallels of Latitude
49
The 90 degree East Meridian passes through
Meghalaya, Bhutan, Bangladesh
50
the longest river in Asia
Yangtze River
51
The Nile River flows northward through the tropical climate of eastern Africa and into the Mediterranean Sea. It passes through
Tanzania, Uganda, Rwanda, Burundi, the Democratic Republic of the Congo, Kenya, Ethiopia, Eritrea, South Sudan, Sudan and Egypt
52
The Danube is the river that passes through
Germany, Austria, Hungary, Romania, Bulgaria, Croatia, Serbia, Slovakia
53
Which one of the following is the deepest gorge in the world
Kali Gandki Gorge, Nepal
54
The strait of _______ connects the Mediterranean Sea with the Atlantic Ocean
Gibraltar
55
Which is the largest lake in the world in terms of surface area
Caspian Sea
56
freshwater lake with the greatest surface area
Lake Superior, USA & Canada
57
The city of______is located at the mouth of the Yangtze River
Shanghai
58
largest producer of wheat in the world
China
59
Mosses, Lichens and small shrubs are found in which type of vegetation
Tundra
60
Savanna Tropiical Grassland is in
Africa
61
Taiga forest is found in which of the following countries
Russia, Canada, the USA's Alaska,Sweden, Finland and Norway, Russia, northern Kazakhstan, northern Mongolia, and northern Japan
62
Velds are grasslands of
Africa
63
Which forest is also referred to as ‘Monsoon Forests'
Tropical Decideous Forests
64
Hardwood trees like sal, teak, neem and shisham (useful for making furniture, transport and constructional material) are found in which type of forests
Tropical Deciduous Forests
65
Which of the following trees will you find in the Littoral forests
Sundari

GEOGRAPHY (9 decks)

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