Why is mars considered the red planet?
The rusty surface color, caused by iron
Venus is often referred to as Earth's "sister planet" because of its similar size and structure. True or False?
True
Earth is the only planet in the solar system known to support what essential element for life?
What is liquid water?
Mercury is the smallest planet in the solar system. True or False?
True
Saturn is known for its spectacular system of rings made primarily of what material?
What is ice particles?
What is the name of the tallest volcano in the solar system, located on Mars?
What is Olympus Mons?
What is the atmospheric pressure on Venus compared to Earth's?
What is about 92 times greater?
What is the name of the largest ocean on Earth?
What is the Pacific Ocean?
What is the name of the largest impact crater on Mercury?
What is the Caloris Basin?
What is the name of the largest moon of Saturn?
What is Titan?
The Mars rover named after the Roman god of war successfully landed on Mars in 2012. What is the name of this rover?
What is Curiosity?
Venus rotates on its axis in the opposite direction to most planets, a phenomenon called what?
What is retrograde rotation?
ow many continents are there on Earth?
What is seven?
Mercury has no atmosphere. True or False?
True
How many moons does Saturn have in total?
What is over 80 moons?
Olympus Mons, the largest volcano on Mars, is approximately how many times taller than Mount Everest?
What is about 3 times taller?
The surface temperature of Venus is hot enough to melt which metal?
What is lead?
The Earth's atmosphere is primarily composed of which two gases?
What are nitrogen and oxygen?
What is the temperature variation between Mercury's day and night sides?
What is about 600°C (or 1,100°F)?
Saturn is primarily composed of which two elements?
What are hydrogen and helium?
Mars has two moons. Can you name both of them?
What are Phobos and Deimos?
What feature on Venus's surface is named after the Roman goddess of love and beauty?
What are Venus's "love handles" or "Aphrodite Terra"?
What is the approximate diameter of the Earth at the equator?
What is about 12,742 kilometers (or 7,918 miles)?
Which spacecraft made multiple flybys of Mercury before finally entering orbit around it in 2011?
What is MESSENGER (MErcury Surface, Space ENvironment, GEochemistry, and Ranging)?
The Cassini-Huygens mission, which studied Saturn and its moons extensively, was a joint effort between NASA, the European Space Agency, and which other space agency?
What is the Italian Space Agency (ASI)?