The Massive Stars in Westerlund 1
Star cluster Westerlund 1 is home to some of the largest and most massive stars known. It is […]
Astronomy
Saturn near Opposition
Saturn reached its 2017 opposition on June 16. Of course, opposition means opposite the Sun in Earth’s sky […]
Manhattan Moonrise
A Full Moon rose as the Sun set on June 9, known to some as a Strawberry Moon. […]
Red Sprites over the Channel
Mysterious and incredibly brief, red sprites are seen to occur high above large thunderstorms on planet Earth. While […]
M89: Elliptical Galaxy with Outer Shells and Plumes
Can you see them? This famous Messier object M89, a seemingly simple elliptical galaxy, is surrounded by faint […]
The Great Nebula in Carina
In one of the brightest parts of Milky Way lies a nebula where some of the oddest things […]
An Unusual Hole in Mars
What created this unusual hole in Mars? Actually, there are numerous holes pictured in this Swiss cheese-like landscape, […]
IC 418: The Spirograph Nebula
What is creating the strange texture of IC 418? Dubbed the Spirograph Nebula for its resemblance to drawings […]
M27 Not a Comet
While hunting for comets in the skies above 18th century France, astronomer Charles Messier diligently kept a list […]
The Case of the Missing Star
What’s happened to giant star N6946-BH1? It was there just a few years ago — Hubble imaged it. […]