Vocabulary
Includes the sun, the planets, their moons, dwarf planets, comets, asteroids, and other objects in space.
What is a SOLAR SYSTEM
Very hot during the day. Fastest moving planet. Closest planet to the sun.
What is MERCURY
Has noticeable rings. Second largest planet in our solar system. Lightest mass of all planets.
What is SATURN
Group of planets that all have moons and are made of gases
What is - GAS GIANTS aka JOVAIN PLANETS aka OUTER PLANETS
What is a MOON
The planet with the most moons is -
What is JUPITER (has 63 moons!)
Brightest and hottest planet. Atmosphere of sulfuric acid.
What is VENUS
Has a Great Red Spot from a storm that has been raging for centuries.
What is JUPITER
Group of planets that move more slowly around the Sun
What is - GAS GIANTS aka JOVIAN PLANETS aka OUTER PLANETS
This unit equals 150,000,000 kilometers
What is - AN ASTRONOMICAL UNIT (AU)
(the average distance between the Sun and Earth)
The planet(s) that do NOT have moons is/are -
What is - Mercury and Venus
Another term for "Inner planets."
What is - Terrestrial Planets
This group of planets are much closer to each other in distance
What is - INNER PLANETS aka TERRESTRIAL PLANETS
A spherical body that does not have a clear orbital path around the sun.
What is a DWARF PLANET
The classification of Eris, Makemake, Haumea, and Ceres
What is DWARF PLANET
Planet with the largest volcano in the solar system, Olympus Mons
What is MARS
Another term for OUTER PLANETS
What is JOVIAN PLANETS or GAS GIANTS
Since 2006, per the International Astronomical Union’s planetary criteria, it is no longer considered a planet
What is - PLUTO
A body of rock and ice that may eventually form a planet
What is a PLANETESIMAL
What is BETWEEN MARS and JUPITER
Called "Earth's twin" due to its size, but 1 day on the planet is approximately 5,832 Earth hours.
What is VENUS
The smallest gas giant. Longest day of outer planets.
What is NEPTUNE
Reason it is helpful to build model(s) of our solar system