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1. How many moons does planet Mercury have?
Two
One
None
2. What type of planet is Mercury?
Terrestrial planet
Dwarf planet
Gas giant
3. Mercury was named after whom?
Roman god of the sky
Roman god of war
Roman messenger to the gods
4. Why is it difficult to send space craft to Mercury?
Because it is so close to the Sun
Because it is so far away
Because it is moving so fast
5. How does the surface of Mercury look like?
Cloudy and hot with lots of volcanoes
Rocky, and covered in red dust
Barren and rocky with lots of craters
6. What empire made the first recorded observations of the planet Mercury?
The earliest known recorded observations of Mercury are from the Mul.Apin tablets, most likely made by an Assyrian astronomer around the 14th century BC.
Roman
Assyrian
Babylonian
7. What was the first spacecraft to visit Mars?
Mariner 10 flew past Mercury three times, the first time in 1974.
Cassini 8
Pioneer 11
Mariner 10
8. In 2012, what did scientists discover at Mercury's north pole?
In 2012, NASA's MESSENGER spacecraft discovered water ice in the craters around Mercury's north pole where regions may be permanently shaded from the heat of the sun.
Ice
Microbes
An active volcano
9. Which fact is NOT true about planet Mercury?
Its surface is very similar to Earth’s Moon
It has a tin layer of atmosphere
It has no seasons
10. What spacecraft launched in 2004, orbited Mercury over 4,000 times in four years and crashed into the planet's surface?
Messenger
Vega
Sojourner
11. How did the Babylonians called the planet Mercury after the messenger to the gods in their mythology?
Nibiru
Ishtar
Nabu
12. What is the third spacecraft set to arrive on Mercury in 2025?
BepiColombo
Sirius
Apollo 21
13. The modern English name of chemical element "mercury" comes from the planet Mercury. What is its symbol?
Hg
Sn
Me
14. Does planet Mercury have any rings?
Yes
No
15. How big is planet Mercury comparing to the Earth?