4.3 seconds
4.3 years
4.3 minutes
4.3 hours
B. 4.3 years
23 hours 56 minutes
24 hours
23 hours 46 minutes
24 hours 4 minutes
Comet
Great Bear
Meteores
Asteroides
Blue
White
Black
Crimson Red
4, 2, 3, 1
4, 2, 1, 3
2, 4, 3, 1
4, 2, 3, 1
Pertaining or referring to the stars
Pertaining or referring to the moon
Pertaining or referring to the Sun
Pertaining' or referring to the cosmic bodies
From equator to poles
From poles to equator
From tropics to equator
From plains to mountains
Earth's revolution and inclination of its axis
Revolution
Earth's rotation and inclination of its axis
Rotation
spiral
elliptical
circular
spherical
Venus
Mercury
Uranus
Saturn
July 23
June 21
May 20
April 31
25 million yrs
100 million yrs
250 million yrs
500 millionyrs
Direction or path of the Moon
The Moon comes between the Sun and the Earth
The Earth comes in between the sun and the Moon and the centres of all the three come on the same straight line
The average angle made by a line drawn from the Moon to the Earth
Venus
Mercury
Uranus
Mars
Cosmology
Astronomy
Astrology
Exbiology
Uranus
Saturn
Pluto
Neptune
Mars and Jupiter
Earth and Venus
Neptune and Pluto
Jupiter and Saturn
Increases
Decreases
Remains unchanged
First increases and then decreases
1, 4, 3, 2
4, 2, 1, 3
4, 1, 2, 3
4, 1, 3, 2
Venus
Uranus
Earth
Jupiter
100000 km per hour
10000 km per hour
1000 km per hour
100 km per hour
Earth is at prihelion and Moon at perigee
Earth is at aphelion and Moon at apogee
Moon and Sun are at right angles with reference to the Earth
Moon, Sun and Earth lie along a straight line
Indian
Pacific
Atlantic
Arctic
Carbondioxide and sulphuric acid
Carbondioxide and nitric acid
Nitrogen and sulphuric acid
Nitrogen and nitric acid
star
planet
Solar System
Constellation
January-3
June-21
July-4
December-22
as the comet rotates around the Sun, the light mass of the comet is pushed away due to the centrifugal force alone
as the comet rotates, the lighter mass of the comet is attracted by some star situated in the direction of its tail
the radiation emitted by the Sun exerts a radial pressure on the comet throwing its tail away from the Sun
the tail of the comet always exists in the same orientation
Position of the Sun during summer solstice
Position of the vertical Sun during winter solstice
A star showing the position of the South Pole
Point of intersection of Antarctic Circle and the Prime Meridian
The position of the moon farthest from the earth
The position of the earth nearest to the Sun
The position of the moon nearest to the earth
The position of the earth farthest from the Sun
3 and 4
1, 3 and 4
1 and 2
1, 2, 3 and 4
Earth
Saturn
Jupiter
Pluto