No, Earth’s magnetic field did not collapse for 2 hours on April 23. The erroneous story, which is still spreading, originated with a glitch in a computer simulation.
Posts by Deborah Byrd
Under dark night skies near Big Bend National Park in South Texas, our galaxy’s largest globular star cluster.
Red rainbows happen when the sun is on the horizon. They’re created in much the same process that causes a sunset or sunrise to look red.
This Hubble Space Telescope image reveals the first moon ever discovered around little Makemake, in the outermost region of our solar system.
The JWST mirror covers off for a few days this week, and webcams are set up at Goddard Space Flight Center. Watch!
Results from the Venus Express spacecraft, obtained when – in the craft’s final months – it surfed the dense atmosphere of Venus.
The farthest full moon, and smallest full moon, on April 22-23, 2016.
Find new stars and constellations by star hopping from ones you already know.
Spica is a binary star, with two stars larger and hotter than the sun, telescopically indistinguishable from a single point of light.
A list of major meteor showers in 2016. Next one up: the Eta Aquarids. Peak mornings May 5 and 6, but it’s a broad peak … watch several mornings around peak dates.