Mars
Uranus
Jupiter
Venus
C. Jupiter
Constellation
Asteroides
Meteores
Comets
21,000 km
16,800 km
18,600 km
12,500 km
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
1 and 2
2 WtQ 3
3 and 4
1 and 4
Peninsula
Isthmus
Cape
Strait
1 and 2
1, 2and 3
1, 2, 3 and 4
1, 2, 3, 4 and 5
1, 2 and 3 are correct
2 and 3 are correct
1 and 2 are correct
1 and 3 are correct
Titania
Titan
Miranda
Europa
Alfa Centauri
Proxima Centauri
Milky Way
Neptune
Comet
Great Bear
Meteores
Asteroides
Planet
Orion
Satellite
Star
Venus
Mercury
Pluto
Neptune
Jupiter
Saturn
Mars
Earth
Solar System
Universe
Space
Constellation
Very small size
Very large size
Very high density
Very low density
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
The 180° meridian
The O° meridian
The 90° meridian
The 135° meridian
December 25
March 21
February 28
January 14
Siderial Year
Solar Year
Cosmic Year
Leap Year
Increases
Decreases
Remains unchanged
First increases and then decreases
Cosmic or Galactic Year
Mean Solar Year
Sidereal Year
Leap Year
Venus
Uranus
Earth
Jupiter
1.41
1.47
0.59
0.5
Blue
White
Black
Crimson Red
Mars
Jupiter
Mercury
Venus
8.19 Days
30 days
29.5 Days
61 Days
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
Meteors
Pole Stars
Comets
Stars
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
wanderer
pollution
celestial body
heavenly body