In this illustrated math problem, students use the mathematical constant pi to find the "habitable zone" around a distant star and determine which of its planets are in that zone.
In this illustrated math problem, students use the mathematical constant pi to find the "habitable zone" around a distant star and determine which of its planets are in that zone.
In this illustrated math challenge, students use the mathematical constant pi to calculate how long it will take an Earth satellite to image the entire planet.
In this illustrated math challenge, students use the mathematical constant pi to calculate how long it will take an Earth satellite to image the entire planet.
This animated video shows how NASA's Cassini spacecraft at Saturn uses radio science to "peer" beneath the surface of the hazy moon Titan and study its mysterious lakes.
This animated video shows how NASA's Cassini spacecraft at Saturn uses radio science to "peer" beneath the surface of the hazy moon Titan and study its mysterious lakes.