Hydrogen and oxygen
Carbondioxide and oxygen
Hydrogen and hydrogen compounds
Nitrogen and helium
C. Hydrogen and hydrogen compounds
East to West
South to North
North to South
West to East
6071km
6571km
6371km
6771 km
Perigee
Perihelion
Aphelion
Apogee
Time taken by the earth to complete one rotation with respect to a fixed star at infinity
Time taken by the earth to complete one revolution with respect to the Moon
Time taken by the earth to complete one rotation with respect to the Moon
Time taken by the earth to complete one rotation with respect to the Sun
Venus
Uranus
Earth
Jupiter
Cosmology
Astronomy
Astrology
Exbiology
Venus
Uranus
Mercury
Mars
Alfa Centauri
Proxima Centauri
Milky Way
Neptune
Peninsula
Isthmus
Cape
Strait
Eight minutes
Ten minutes
Four minutes
Twelve minutes
27 days
29 days
29.32 days
27.32 days
Sixteen
Ten
Six
Nine
Planet
Orion
Satellite
Star
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
Moon
Asteroid
Satellite
Great Bear
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
Pulsar
Brittle Star
Black hole
Quasar
Proxima Centaury
Alfa Centaury
Dog Star
Constellation
17214 km
12741 km
12714 km
17124 km
365 days
365 days and 6 months
364 days
366 days
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
21,000 km
16,800 km
18,600 km
12,500 km
Melanesia, Micronesia and Polynesia
Polynesia, Micronesia and Melanesia
Melanesia, Polynesia and Micronesia
Micronesia, Polynesia and Melanesia
Mars and Jupiter
Earth and Venus
Neptune and Pluto
Jupiter and Saturn
Solar System
Universe
Space
Constellation
1 and 2
2 WtQ 3
3 and 4
1 and 4
Earth
Jupiter
Mars
Venus
9
6
7
10
White Dwarf
Black Dwarf
Quasar
All of the above
A narrow belt of land
A mountainous island
A piece of land surrounded by water on three sides
A range of hills