Category: space

  • Time Hopper

    Early prototype of a JavaScript-based game using the Phaser 3 library. This game is an “infinite jumper” that draws attention to important events that have happened throughout the “deep time” history of the Universe.

  • Portfolio: Eratosthenes Measured Earth (Animation)

    Portfolio: Eratosthenes Measured Earth (Animation)

    The Greek astronomer, mathematician and geographer Eratosthenes of Cyrene (276-194 BC) was the first person to accurately measure the circumference of Earth. This animation illustrates his method. Randy Russell developed this animation (using the now-defunct Flash animation software) for a citizen science project as part of his work on the Windows to the Universe web…

  • Mars Helicopter Lesson Plan

    Mars Helicopter Lesson Plan

    NASA’s Mars 2020 Mission, featuring the Perseverance rover, landed on Mars on February 18, 2021. The rover carried a small helicopter named Ingenuity. On April 19, 2021, Ingenuity became the first aircraft to fly under its own power on a planet other than Earth. This page presents two options for a lesson about Ingenuity’s historic…