The sun
What is the main gas the Sun is made of?
Hydrogen
What do we call a group of stars forming a pattern in the sky?
constellation
What planet is known as the "ice giant" due to its methane-rich atmosphere?
Uranus
About how many years ago did the Big Bang occur?
about 13.8 billion years ago
What is the surface layer of the Sun called?
The photosphere
What color are the hottest stars?
Blue
What planet is famous for its rings?
Saturn
What is the name of the scientist who first proposed the idea of an expanding universe?
Edwin Hubble
What process makes the Sun shine by releasing energy?
Nuclear fusion
What galaxy is Earth located in?
Milky way
What is the only moon in our solar system known to have a thick atmosphere?
Titan
After the Big Bang, what primary elements formed first?
Hydrogen and helium
What name is given to the Sun's outermost atmosphere?
The corona
What is the final stage of a massive star's life called?
Supernova
Name the moon that is widely believed to have a subsurface ocean beneath its icy crust.
Europa
What does the Big Bang Theory explain?
The origin of the Universe
What protects Earth from harmful solar radiation?
The Earth's magnetic field
What instrument is used to study distant stars and galaxies?
A telescope
Which planet has the most eccentric (least circular) orbit in our solar system?
Mercury
What is the evidence for the Big Bang still detected today?
Cosmic Microwave Radiation