Planets
Space Projects
Scientists
Historical Figures
100

This is the largest planet in our solar system.

Jupiter

100

This NASA program first landed humans on the Moon in 1969.

Apollo program

100

This scientist developed the theory of relativity and is known for the equation E=mc².

Einstein

100

This first President of the United States led the country during the American Revolution.

George Washington

200

Known as the “Red Planet,” this world is famous for its iron oxide surface.

Mars

200

This reusable spacecraft program by NASA flew missions from 1981 to 2011.

Space Shuttle program

200

This physicist formulated the laws of motion and universal gravitation after observing a falling apple.

Newton

200

This civil rights leader delivered the famous “I Have a Dream” speech in 1963.

MLK

300

This planet has a day longer than its year due to its extremely slow rotation and proximity to the Sun.

Venus

300

This international space laboratory has been continuously inhabited since 2000.

International Space Station

300

This Polish-born scientist conducted pioneering research on radioactivity and won two Nobel Prizes in different sciences.

Marie Curie

300

This French military leader crowned himself emperor in 1804.

Napolean

400

This planet has the fastest winds in the solar system, reaching speeds over 1,000 mph in its atmosphere

Neptune

400

This NASA mission successfully landed the first rover, Sojourner, on Mars in 1997.

Mars Pathfinder

400

This English naturalist proposed the theory of evolution by natural selection in On the Origin of Species.

Darwin

400

This ancient Egyptian queen formed political alliances with both Julius Caesar and Mark Antony.

Cleopatra

500

This planet emits more heat than it receives from the Sun and has a density so low it could theoretically float in water.

Saturn

500

This ambitious NASA program aims to return humans to the Moon and establish a sustainable presence there.

Artemis program

500

This Serbian-American inventor and engineer developed alternating current (AC) electrical systems that are widely used today.

Tesla

500

This South African leader spent 27 years in prison before becoming the country’s first Black president.

Nelson Mandela

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