Infographic: Why Would We Mine the Moon?

Our Moon is more than just some pretty decoration for the night sky and a place to plant a few flags – it’s also a potential source of valuable raw materials that could someday be used for energy and engineering both on Earth and in space. If you saw the movie Moon (and if you haven’t…

How Does NASA Change a Spacecraft’s Orbit? Easy as Pi.

It’s “Pi Day” (March 14… 3.14… get it?) and, based on how we write the date in the U.S. anyway, all those of a sufficiently geeky nature take a moment to honor the universal usefulness of pi, the glorious Greek letter used to represent the mathematical ratio of a circle’s circumference to its diameter. The…

50 Amazing Facts About the Moon

How fast does the Moon rotate? How far is it (on average) to the Moon? How long did it take to build a lunar rover for the Apollo missions? And what did one cost? You could Google all of these answers for yourself, of course, but it’ll be a lot quicker — not to mention…

50 Unbelievable Facts About Earth: an Infographic

Do you know how long a tardigrade can survive in space? How much gold is in seawater? How long it’s been since it rained in Antarctica’s Dry Valleys? There are a whole lot of amazing facts about our planet and this infographic has 50 of them (and while seemingly unbelievable, they’re all true!) See the…

How Far is Mars?

How far away is Mars? The exact answer varies, of course, as both it and our planet are constantly moving along their own orbits around the Sun. At the time of this writing Mars is on the other side of the Sun from us, 2.413 AU away as the space crow flies (which equates to…

Our Galaxy Isn’t As Big As You Think It Is

Think the Milky Way is a big place? Think again — check out this graphic by Arecibo astrophysicist Rhys Taylor, which neatly illustrates the relative sizes of 25 randomly-selected galaxies using images made from NASA and ESA observation missions. It even includes a rendering of our own remarkably mundane galaxy at the center for comparison….