wanderer
settlement
light
a smaller companion to anything
D. a smaller companion to anything
100000 km per hour
10000 km per hour
1000 km per hour
100 km per hour
the formation of universe
the origin and evolution of earth's crust
formation of Solar System
formation of constellation
Sun
Planet
Satellite
Moon
Atmospheric composition
Thermal conditions
Occurrence of ice caps and frozen water
Occurrence of ozone
66 years
76 years
86 years
96 years
June-21
December-22
March-21
September-23
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
A lake is small and a tank is big
A lake has flowing water, a tank has still water
A lake is a geographical feature, a tank is not
Both are land-enclosed water bodies, but the latter is man-made
8.19 Days
30 days
29.5 Days
61 Days
days and nights are of equal lengths in the Northern Hemisphere
Nights are longer than days in the Southern Hemisphere
Days and nights are of equal lengths at the poles
Night is equal to 24 hours at the North Pole
Only 1
2 and 3
I, 2 and 3
Only 2
The countries along the Equator are in darkness
The countries along the Equator are at their hottest
The countries along the Equator are at their wettest
The Sun shines vertically over the Equator
Venus
Mercury
Mars
Jupiter
Solar System
Universe
Space
Constellation
25°
30°
35°
15°
Venus and Mercury
Venus and Uranus
Venus and Neptune
Mercury and Uranus
Pulsar
Brittle Star
Black hole
Quasar
8 seconds
8 minutes
4.3 seconds
1 light year
Venus
Mercury
Mars
Jupiter
December 25
March 21
February 28
January 14
24 hours
20 hours
365 % days
366 days
Venus
Uranus
Mercury
Mars
The 180° meridian
The O° meridian
The 90° meridian
The 135° meridian
Jupiter
Saturn
Uranus
Neptune
11 years
15 years
21 years
33 years
Sirius
Proxima Centaury
Orion
Pole Star
a geoid
a spherical
an oblate sphere
a flat disc
Alfa Centaury
Sun
Proxima Centaury
Dog Star
An imaginary line on the earth's surface joining the north and south pole
The angular distance east or west of the Greenwich Meridian
The distance of place east or west of the Greenwich Meridian
The position of a place on the Earth surface with reference to the Prime Meridian
The Dead Sea
The Aral Sea
The Caspian Sea
Lake Baikal