Intro to Astronomy
What is a celestial object?
What is the Sun?
The path that a planet or moon follows as it moves around another object.
What is an orbit?
This term describes a natural object that travels around a planet in an orbit
What is a moon/ natural satellite?
Everything that physically exists, including matter and energy, is called this.
What is the Universe?
Stars appear small in the sky because they are very _.
What is far away?
A large object that travels around a star
What is a planet?
This is the name of the galaxy that contains Earth and our solar system
What is the Milky Way?
The tool scientists use to observe distant stars and galaxies
What is a telescope?
The Sun provides this energy that is essential for life on Earth
What is heat and light energy?
The four rocky planets closest to the Sun are called this
What are terrestrial planets?
Moons are visible from Earth because this is reflected off their surface
What is sunlight?
A branch of science studies space beyond Earth
What is astronomy?
A large ball of gas that gives off its own light and heat
What is a star?
The four large planets mostly made of gases
What are gas giants?
Some planets, like Jupiter and Saturn, have many of these objects orbiting them, while Mercury and Venus have none