Dust Shells around WR 140 from Webb
What are those strange rings? Rich in dust, the rings are likely 3D shells — but how they […]
astronomy
Ou4: The Giant Squid Nebula
A mysterious squid-like cosmic cloud, this nebula is very faint, but also very large in planet Earth’s sky. […]
Stars, Dust, Pillars, and Jets in the Pelican Nebula
What dark structures arise within the Pelican Nebula? On the whole, the nebula appears like a bird (a […]
A Double Lunar Analemma over Turkey
An analemma is that figure-8 curve you get when you mark the position of the Sun at the […]
Auroras over Northern Canada
Gusting solar winds and blasts of charged particles from the Sun resulted in several rewarding nights of auroras […]
Two Comets in Southern Skies
Heading for its closest approach to the Sun or perihelion on December 20, comet C/2017 K2 (PanSTARRS) remains […]
In Ganymede s Shadow
At opposition, opposite the Sun in Earth’s sky, late last month Jupiter is also approaching perihelion, the closest […]
NGC 4631: The Whale Galaxy
NGC 4631 is a big beautiful spiral galaxy. Seen edge-on, it lies only 25 million light-years away in […]
Expanding Plume from DARTs Impact
What happens if you crash a spaceship into an asteroid? In the case of NASA‘s DART spaceship and […]
Star Forming Eagle Nebula without Stars
The whole thing looks like an eagle. A closer look at the Eagle Nebula‘s center, however, shows the […]