Inner & Outer Planets
The inner planets.
What is Mercury, Venus, Earth & Mars?
The degree of tilt of the earth on its axis.
What is 23.5 degrees?
The 2 elements most stars are made of
What is Helium and Hydrogen?
What causes night and day
What is rotation?
The number of stars in our solar system.
What is one?
The outer planets
What is Jupiter, Saturn, Uranus & Neptune?
The season when this hemisphere is tilted away from the sun.
What is winter?
The hottest color of star
What is blue?
A feature found on the surface of the moon
What are craters (or mountains or valleys or maria)?
The smallest planet
What is Mercury?
The Goldilocks planet.
What is Earth?
When it is winter in the northern hemisphere, it is ________ in the southern hemisphere.
What is summer?
the process that powers all stars
What is fusion?
The number of days it takes for the moon to revolve around the earth.
What is about 27 days?
(also accept 29.5 days due to the Earth also moving, so it has to "catch up")
The force that keeps the planets from flying out of the Solar System.
What is gravity?
Another name for the 4 inner planets.
What are the rocky planets? OR terrestrial planets
The shortest day of the year.
What is the winter solstice?
The kind of star that is small, medium temperature and very dim.
What are white dwarfs?
the different "appearances" of the moon (such as a waxing gibbous)
What are moon phases?
The order of planets in our solar system (beginning with the closest planet to the sun)
What is Mercury,Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
The region between Mars and Jupiter where many small rocky bodies are found.
What is the asteroid belt?
When the length of day and night are exactly equal.
What is the equinox?
When a star cools and then colapses, releasing a burst of light
What is a supernova?
when the moon is in perfect alignment blocking the sun as seen from Earth
What is a solar eclipse?
According to the Big Bang, this is the age of the universe.
What is 14.5 billion years?