TOP 7 QUESTION NASA SCIENCE QUIZ

1.A Goldilocks planet falls within its star's habitable zone and is neither too close nor too far from the star to rule out the existence of liquid water on its surface. Liquid water is a key element in supporting life as we know it.

2.Mars once had running water that carved canyons and other features into its surface. What happened to the water?

A. Mars is too far from the sun and cold to sustain water.

B. Marsquakes caused all the water to seep into cracks in the crust.

C. An asteroid clobbered Mars and vaporized the water.

D. Most of Mars' atmosphere and water evaporated

 Most of Mars' atmosphere and water evaporated

WITH THE FLOW 

3, Earth isn't the only body in the solar system with rivers and lakes. Which other world have similar features?

A. Mercury (liquid lead)

B. Saturn's moon Titan (liquid methane)

C. Saturn (liquid oxygen)

D. Neptune's moon Triton (liquid ammonia)

 Saturn's moon Titan (liquid methane)

4.Earth and Venus are rocky planets of about the same size, but Earth's average surface temperature is about 59° F, while Venus' is 1,350° F, hot enough to melt lead or aluminum. Why the difference?

A. Venus has a stronger greenhouse effect than Earth.

B. Venus is made of denser rock than Earth.

C. Earth is more geologically active than Venus.

D. Ice caps and oceans on Earth absorb energy from the atmosphere.

Venus' atmosphere is almost all heat-trapping carbon dioxide.

5.Which circumstances could end life on Earth?

A. The sun continues to heat up. In a billion years, Earth gets too hot, oceans evaporate, carbon dioxide disappears and plant life dies out.

B. A massive asteroid smashes into Earth, vaporizing swaths of the surface and permanently changing the atmosphere.

C. Both of the above.

7.Earth is the only body in the solar system thought to have oceans of liquid water

8.10 Small, Earth-sized planets are common in the galaxy.