Rocket Science
Space & Astronomy
Firsts & Faces
How Planes Fly
Military & Machines
100

Rockets fly because of this Newton law - every action has an equal and opposite one.

Newton's Third Law of Motion

100

The planet nicknamed the “Red Planet.”

Mars

100

In 1969 he became the first person to set foot on the Moon. 

Neil Armstrong

100

These parts of an airplane produce most of its lift.

The wings

100

The A-10 Warthog was designed around this one enormous weapon

Its 30mm cannon

200

Roughly this fraction of a rocket's weight at liftoff is nothing but fuel.

About 85-90%

200

The closest star to Earth.

The Sun

200

Elon Musk's company that builds the Falcon 9 rocket.

SpaceX

200

Lift, thrust, drag, and this make up the four forces of flight.

Weight (gravity)

200

The SR-71 Blackbird could cruise at about this Mach number.

Mach 3+

300

Engines avoid melting with this trick: circulating freezing fuel around the nozzle before burning it. 

Regenerative cooling

300

This gas makes up about 78% of the air you're breathing.

Nitrogen

300

This U.S. agency's name is short for National Aeronautics and Space Administration.

NASA

300

Reaching “Mach 1” means matching the speed of this.

Sound

300

This U.S. stealth fighter appears on radar about the size of a Bumblebee. 

The F-22 Raptor

400

The Saturn V's giant first stage burned through its entire fuel supply in about this long.

About 2.5 minutes

400

Launched by the Soviet Union in 1957, it was the first artificial satellite. 

Sputnik

400

Jeff Bezos's space company, whose logo is a feather.

Blue Origin

400

Despite its name, the flight recorder “black box” is actually painted this bright color.

Orange

400

This version of the F-35 can land straight down, vertically. 

The F-35B (Lightning II)

500

A spacecraft has to travel about this fast to stay in low Earth orbit.

About 17,500 mph

500

The orbiting laboratory whose initials are ISS.

The International Space Station

500

In 1961 this cosmonaut became the first human to travel into space.

Yuri Gagarin

500

At sea level, sound - and Mach 1 - travels about this fast in mph.

About 760 mph

500

The Antonov An-225, the largest cargo plane ever built, could carry about this much.  

About 250 tonnes OR 52 Mature Elephants 

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