Nickelodeon Knowledge
Arnold Shortman from Hey Arnold! has a head shaped like this
Football
McDonald's Signature Burger
Big Mac
An area in space with gravity so strong that not even light can escape its pull
Black Hole
The tallest mountain
Mt Everest
Matt's Favorite Food
Pizza (Pepperoni Pizza to be specific)
Angelica Pickle's favorite doll
Cynthia
Dairy Queen's Mixed Ice Cream
Blizzard
A small, rocky or metallic body that orbits a star, mostly found in the belt between Mars and Jupiter.
Asteroid
The longest river
The Nile
Matt's Favorite Ice Cream Flavor
Mint Chocolate Chip
This muscular fairy constantly has his shirt exploding off of him only to poof back on
Wandisimo
Taco Bell Hexagon
Crunchwrap
The time it takes for a planet to complete one full orbit around its star (one planetary year).
Revolution
The largest country
Russia
Matt's Favorite Superhero
Nightwing
Teenage Robot Jenny also goes by this name, most often by her mother
XJ9
Impossible Whopper
A massive, interstellar cloud of gas and dust that acts as a cosmic nursery where new stars are born.
Nebula
The area with the hottest recorded temperature
Death Valley, California (134°F)
Matt's Favorite Band
Motionless in White
Jimmy Neutron was originally named this similarly scientific name in the pilot
Johnny Quasar
In-N-Out's Signature Burger
Double-Double
A unit of distance equal to about 3.26 light-years, used to measure deep-space objects.
Parsec
Earth's lowest land-based point
Dead Sea
Matt's Favorite Game
Persona 5