The Big Bang
What is the big bang?
The beginning of the known universe
How many planets are in our solar system?
What percentage of the Earth is made out of water?
~71%
What is the closest galaxy to the Milky Way?
The Andromeda Galaxy
What star are we closest to?
The Sun
When did the big bang occur?
Approximately 13.8 billion years ago
How many moons does Jupiter have?
95
How long does it take Earth to complete a full orbit around the Sun? (specifically!)
365.25 days
What is the largest known ultra massive black hole?
TON 618
What type of star is our sun?
A yellow dwarf
What was the first element formed after the Big Bang?
Hydrogen
How much of the mass in our solar system does the Sun take up?
~99%
How old is the Earth?
~4.5 billion years
What are planets without a star/orbital path called?
Rogue planets
What is the color of the hottest stars?
Blue or blue-white
What is the oldest light we can see called?
The Cosmic Microwave Background
What is the asteroid belt that includes Pluto called?
The Kuiper Belt
How many major layers are there in Earth's atmosphere?
Five
Dark energy
What types of explosions can outshine entire galaxies?
Supernovas
How long after the big bang were the first atoms formed?
About 380,000 years!
What is the "red spot" storm on Jupiter most likely made of?
Ammonia
What planet's AVERAGE distance makes it the closest to Earth?
Mercury (due to its small/fast orbit)
Where can you find strange matter?
The core of a neutron star
What is the biggest star we know of?
Stephenson 2-18