Which plannet is the closest in size to earth?
1. Mars 2. Venus 3. Jupiter 4. Earth's Moon
Where is the highest volcano in the solar system?
1. on the Earth 2. on Mars 3. on the sun 4. in Nepal
How many moons does Jupiter have?
1. Two 2. Fifteen 3. Fifty 4. Seventy-nine
What will the sun finally become?
1. a white dwarf 2. another Earth 3. a black hole 4. a dinosaur fosil
What is the moon slowly doing?
1. disappearing 2. getting smaller 3. moving away from Earth 4. moving toward Earth
How many astronauts have walked on the moon?
1. one 2. three 3. nine 4. twelve
How long does light take to travel from the Sun to Earth?
1. ten minutes 2. ten seconds 3. one hours 4. ten miliseconds
How long have human-made satellites been in space?
1. since 1950s 2. since 1960s 3. since 1970s 4. since 1980s
How many moons are in our Solar System?
1. 112 2. 136 3. 154 4. 181
How long is one year on Jupiter?
1. 5 months 2. 25 months 3. 10 years 4. 12 years
Which planet is known as the Morning Star?
1.Venus 2. Mars 3. Earth 4. Neptune
How old is the sun?
1. 100 million years old 2. 200 million years old 3.4.6 billion years old 4. 500 billion yeas old
What color is the sun?
1. mixture of all colors 2. white 3. yellow 4. red
What color is Mars’ sunset?
1. yellow 2. blue 3. bright orange 4. black
How long does it take the moon to pass through all its phases?
1. 30 days 2. 29.5 days 3. 31 days 4. 28 days
What is the study of the stars, planets, and galaxies?
1. cosmology 2. astronomy 3. planetology 4. geology
