If the Earth were the size of a basketball and the moon a tennis ball, how far apart would they be? Diagrams that are not
How big is our Sun compared to other stars? In a dramatic and popular video featured on YouTube, the relative sizes of planets and stars
Scientists have estimated the first cosmic census of planets in our galaxy and the numbers are astronomical – at least 50 billion planets in the
The rings of Saturn are the most extensive planetary ring system of any planet in the Solar System. They consist of countless small particles, ranging
Neptune was discovered in 1846. In 2010, astronomers observe as the farthest planet from the sun (sorry, Pluto) completes its first full solar orbit since
If a meteorite breaks in two shortly before hitting the ground, the typical bowl shape of a single impact crater becomes doubled. The two circular
Scale: Here’s an animation I did to make you feel small, and also convey the deep awe I feel at the feet of the Universe.
This observation shows dunes on the floor of the large, degraded Arkhangelsky Crater in the Southern hemisphere of Mars.
This image from NASA’s Mars Exploration Rover at the edge of “Santa Maria” crater shows diverse textures of the crater.
Newly released for the holidays, images of Saturn’s second largest moon Rhea obtained by NASA’s Cassini spacecraft show dramatic views of fractures cutting through craters