Uranus
Saturn
Pluto
Neptune
C. Pluto
Earth and the Sun
Earth and the Moon
Jupiter and the Sun
Pluto and the Sun
Light year
Nautical mile
Statute mile
Kilometre
Planet
Orion
Satellite
Star
meteors
comets
meteorites
asteroids
0.825
0.98
0.998
0.02
Proxima Centaury
Alfa Centaury
Dog Star
Constellation
Jupiter
Mars
Saturn
Uranus
star
planet
Solar System
Constellation
White Dwarf
Black Dwarf
Quasar
All of the above
1 and 2
1, 2and 3
1, 2, 3 and 4
1, 2, 3, 4 and 5
Sirius
Proxima Centaury
Orion
Pole Star
25 million yrs
100 million yrs
250 million yrs
500 millionyrs
spiral
elliptical
circular
spherical
July-4
December-22
September-23
June-21
Mars
Jupiter
Mercury
Venus
Universe
Solar System
Galaxy
Asteroids
A unit of velocity
A unit of distance
A unit of pressure
A unit of time
wanderer
settlement
light
a smaller companion to anything
Chromosphere
Sunspots
Sun surface
Photosphere
a geoid
a spherical
an oblate sphere
a flat disc
3 and 4
1, 3 and 4
1 and 2
1, 2, 3 and 4
4, 2, 3, 1
4, 2, 1, 3
2, 4, 3, 1
4, 2, 3, 1
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
150 million km
145 million km
155 million km
140 million km
A gulf is big and a bay is small
A gulf is at a rivermouth and a bay is not
A bay is surrounded by cliffs and a gulf by lowland
Both are part of the sea that extend considerably into the land, but a bay usually has a wider entrance than a gulf
Cosmic or Galactic Year
Mean Solar Year
Sidereal Year
Leap Year
45°S
60°S
60°N
45°N
The Dead Sea
The Aral Sea
The Caspian Sea
Lake Baikal
A narrow belt of land
A mountainous island
A piece of land surrounded by water on three sides
A range of hills
Earth's revolution and inclination of its axis
Revolution
Earth's rotation and inclination of its axis
Rotation