In this Python physics tutorial, I show you how to draw the celestial sphere using Web VPython! Explore the stars, constellations, and the fundamental concepts behind the celestial coordinate system ...

SPHEREx—launched on March 11, 2025—is the newest addition to NASA’s elite space telescope fleet. In its two-year baseline mission, it will survey the entire sky, producing a first-of-its-kind 3D ...

The equatorial coordinate system projects Earth's latitude and longitude onto the celestial sphere, using declination (angular distance from the celestial equator, measured in degrees) and right ...

Summer is almost here, and the month of June has a few backyard astronomy celestial treats! With the warmer nights ahead, all we now need is a clear sky. First up - the planetary parade. You'll be ...

On Thursday, June 22, the Bowdoin observatory took to the skies. Well, not exactly. But for several hours, the building was “in the air,” that is, raised above ground and, slowly, rolled to a new, ...

MAKE a fist with your hand, then hold it out to the sky at arm’s length. The width covered by your fist will be around 10 degrees. Now imagine 10 of these in a row. The biggest constellation in the ...