What is the center of our solar system?
The Sun
True or False: The solar system consists of only the eight planets.
False
Fill in the blank: The four inner planets are Mercury, Venus, Earth, and ______.
Mars
What are the outer planets also known as?
Gas giants
Which planet is known for its prominent ring system?
Saturn
What is the process called by which stars are formed?
Nuclear fusion
Multiple choice: Which of the following is not a stage in star formation? A) Protostar B) Main sequence C) Red giant D) Planetary nebula E) Supernova
D) Planetary nebula
What is the term for a cloud of gas and dust in space where stars are born?
Nebula
True or False: Galaxies can only contain stars.
False
What is the Milky Way?
A barred spiral galaxy
Fill in the blank: The nearest galaxy to the Milky Way is the ______ Galaxy.
Andromeda
What determines the lifecycle of a star?
Its mass
Multiple choice: Which of the following is a type of galaxy? A) Elliptical B) Spiral C) Irregular D) All of the above
D) All of the above
What phenomenon occurs when a massive star exhausts its nuclear fuel?
Supernova
What is the term for the dense core left behind after a supernova?
Neutron star or black hole
