Quasars
b) Pulsar
Aurora Borealis
White Dwarfstar
66 years
76 years
86 years
96 years
undulations on the solar surface
huge magnetic storms on the solar surface
places with adequate sunshine
places of tourist importance
1, 4, 3, 2
4, 2, 1, 3
4, 1, 2, 3
4, 1, 3, 2
27 days
29 days
29.32 days
27.32 days
1.59
1.41
0.5
1/3rd
meteors
comets
meteorites
asteroids
Meteors
Pole Stars
Comets
Stars
Earth's revolution and inclination of its axis
Revolution
Earth's rotation and inclination of its axis
Rotation
Jupiter
Saturn
Mars
Venus
Moon's period of rotation on its axis with respect to the earth.
Moon's period of revolution around the earth.
Moon's period of revolution with respect to a star at infinity
Moon's period of revolution with respect to the Sun
A unit of velocity
A unit of distance
A unit of pressure
A unit of time
Only 1
2 and 3
I, 2 and 3
Only 2
Universe
Solar System
Galaxy
Asteroids
wanderer
settlement
light
a smaller companion to anything
23 hours 56 minutes
24 hours
23 hours 46 minutes
24 hours 4 minutes
June-21
December-22
March-21
September-23
Jupiter
Saturn
Neptune
Pluto
December-22
March-21
June-21
September-23
100000 km per hour
10000 km per hour
1000 km per hour
100 km per hour
365 days
365 days and 6 months
364 days
366 days
11 years
15 years
21 years
33 years
Pluto
Neptune
Uranus
Venus
Only 1
1 and 2
1, 2 and 3
1, 2, 3 and 4
Comet
Great Bear
Meteores
Asteroides
They have to pay a tax
Ships going west from the USA lose a day, ships going east from Japan and Australia gain a day
They have to report at the customs post
They have to check their clocks agains
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
Very small size
Very large size
Very high density
Very low density
Eight minutes
Ten minutes
Four minutes
Twelve minutes
21,000 km
16,800 km
18,600 km
12,500 km