Northern winter constellations and a long arc of the Milky Way are setting in this night skyscape looking toward the Pacific Ocean from Point Reyes on planet Earth’s California coast. Sirius, alpha star of Canis Major, is prominent below the starry arc toward the left. Orion’s yellowish Betelgeuse, Aldebaran in Taurus, and the blue tinted […]
An energetic outburst from an infant star streaks across this image from the NASA/ESA Hubble Space Telescope. via NASA https://ift.tt/Dz8ElyP
Want to see a rainbow smile? Look near the zenith (straight up) when the sun is low in the sky and you might. This example of an ice halo known as a circumzenithal arc was captured above a palm tree top from Ragusa, Sicily on February 24. The vividly colorful arcs are often called smiling […]
This February 2022 image of Northrop Grummans’s Cygnus cargo craft is pictured attached to the International Space Station. via NASA https://ift.tt/XueWF5o
Globular star cluster 47 Tucanae is a jewel of the southern sky. Also known as NGC 104, it roams the halo of our Milky Way Galaxy along with some 200 other globular star clusters. The second brightest globular cluster (after Omega Centauri) as seen from planet Earth, 47 Tuc lies about 13,000 light-years away. It […]
The Pilbara in northwestern Australia exposes some of the oldest rocks on Earth, over 3.6 billion years old. via NASA https://ift.tt/3ZLvjTi
It is one of the more unusual rocks yet found on Mars. Smaller than a penny, the rock has several appendages that make it look, to some, like a flower. Although it would be a major discovery if the rock was truly a fossilized ancient Martian flower, there are less spectacular — and currently preferred […]
These engineers developed and tested Space Launch System software that will tell the rocket how to operate for the first 8 minutes of Artemis during launch and ascent. via NASA https://ift.tt/bcjxELJ
Which moon is this? It’s Earth’s moon — but in inverted colors. Here, the pixel values corresponding to light and dark areas have been translated in reverse, or inverted, producing a false-color representation reminiscent of a black and white photographic negative. However, this is an inverted color image — where the muted colors of the […]
The LAMP mission hopes to understand an often overlooked kind of aurora, called a pulsating aurora, and to test a theory on what causes them. via NASA https://ift.tt/beyuFAT