Vocabulary
The term for the path one object takes as it moves around another object in space.
What is orbit?
The number of days it take Earth to orbit the Sun.
What is 365 (or about 365.25) days?
The phase when the Moon is completely dark from Earth.
What is the New Moon?
The largest planet in our solar system.
What is Jupiter?
The first person to use a telescope to study the sky.
Who was Galileo Galilei?
The force keeps the planets in orbit around the Sun.
What is gravity?
The causes of day and night on Earth.
What is Earth’s rotation on its axis?
The phase that comes after the Full Moon.
What is Waning Gibbous?
The two factors that determine the strength of gravity between two objects.
What is Mass and distance?
The instrument astronomers use to see radio waves from space.
What is the Radio telescope?
The name for the spinning of a planet on its axis.
What is rotation?
The movement of the Moon around Earth is called.
What is Revolution?
The phase of the Moon when a half-illuminated circle with the illuminated portion on the right side, resembling a "D" shape.
What is the First Quarter?
The shape of most planetary orbits are.
What is Elliptical?
One discovery Galileo made with his telescope.
What are the Moons of Jupiter, craters on the Moon, sunspots, etc.
The tool that makes distant objects appear closer.
What is a telescope?
The tilt of Earth’s axis affects the yearly cycles.
What are The seasons?
4 major phases of the Moon
What is New Moon, First Quarter, Full Moon, Last Quarter/Third Quarter?
Planets don't fly off into space because.
What is Gravity from the Sun pulls them inward, while their forward motion keeps them in orbit?
A famous space telescope.
What is the Hubble Space Telescope?
The word that means the amount of matter in an object.
What is mass?
The Sun, Earth, and Moon are positioned during a solar eclipse in the following order.
What is the Sun–Moon–Earth (Moon between Sun and Earth)?
We always see the same side of the Moon from Earth because of this event.
What is synchronous rotation?
Newton's first Law of Motion is also called this.
What is Law of Inertia?
Telescopes have changed our understanding of the universe by
What is revealed more stars, galaxies, planets, and helped us understand the size and structure of the universe?