SuitSat 1: A Spacesuit Floats Free
A spacesuit floated away from the International Space Station 15 years ago, but no investigation was conducted. Everyone […]
NASA
Exploring the Antennae
Some 60 million light-years away in the southerly constellation Corvus, two large galaxies are colliding. Stars in the […]
The Medusa Nebula
Braided and serpentine filaments of glowing gas suggest this nebula’s popular name, The Medusa Nebula. Also known as […]
Curiosity: Sol 3048
Before Perseverance there was Curiosity. In fact, the Curiosity rover accomplished the first sky crane maneuver touchdown on […]
Aurorae and Lightning on Jupiter
Why does so much of Jupiter’s lightning occur near its poles? Similar to Earth, Jupiter experiences both aurorae […]
Mars over Duddo Stone Circle
Why are these large stones here? One the more famous stone circles is the Duddo Five Stones of […]
From Auriga to Orion
What’s up in the sky from Auriga to Orion? Many of the famous stars and nebulas in this […]
The Antikythera Mechanism
No one knew that 2,000 years ago, the technology existed to build such a device. The Antikythera mechanism, […]
The Leo Trio
This popular group leaps into the early evening sky around the March equinox and the northern hemisphere spring. […]
Central Lagoon in Infrared
Stars fill this infrared view, spanning 4 light-years across the center of the Lagoon Nebula. Visible light images […]