These are the names of the four INNER PLANETS.
What are MERCURY, VENUS, EARTH, and MARS?
This is the planet famously known as the RED PLANET because of the iron oxide on its surface.
What is MARS?
This is the number of planets that humans have set foot on.
What is ONE?
(Earth)
These are the planets in our solar system that do NOT have any moons.
What are MERCURY and VENUS?
This is the planet that is famous for having the Great Red Spot in its atmosphere.
What is JUPITER?
This is the hottest planet in the solar system.
What is VENUS?
This is the name for the American missions to the Moon in the 1960s and 70s.
What are the APOLLO missions?
This is the planet that has the MOST known moons.
What is SATURN?
This is the planet that rotates on its side.
What is URANUS?
This is the coldest planet in the solar system.
What is URANUS?
This is how many Earths you can fit inside the volume of the Sun.
What is 1 million?
This is the GREATER of:
A. The number of grains of sand on every beach on Earth
B. The number of stars in the universe.
What is B?
This is the planet whose DAY is longer than its YEAR.
What is VENUS?
(Rotation 243 days; revolution 225 days)
This is the color of sunsets on Mars.
What is BLUE?
This is the number of orbits Neptune has completed around the Sun, since it was discovered.
What is ONE?
(Discovered in 1846, 165 years per orbit)
These are the planets in our solar system that are known to have rings.
What are SATURN, URANUS, NEPTUNE, and JUPITER?
This is the planet that, on average, is CLOSEST to EARTH.
What is MERCURY?
This is the planet that would float, if you placed it in a bathtub of water.
What is SATURN?
This is the total number of humans who have set foot on the Moon.
What is 12?
This is the correct ordering of the following, from LEAST to GREATEST:
A. The distance from Earth to the Moon
B. The diameters of all the planets combined
C. One light-second (distance light travels in a second)
What is C, B, A?