Jupiters Europa from Spacecraft Juno
What mysteries might be solved by peering into this crystal ball? In this case, the ball is actually […]
NASA
Supernova Cannon Expels Pulsar J0002
What could shoot out a neutron star like a cannon ball? A supernova. About 10,000 years ago, the […]
Lunation Matrix
Observe the Moon every night and you’ll see its visible sunlit portion gradually change. In phases progressing from […]
Equinox Sunrise Around the World
A planet-wide collaboration resulted in this remarkable array of sunrise photographs taken around the September 2022 equinox. The […]
DART Asteroid Impact from Space
Fifteen days before impact, the DART spacecraft deployed a small companion satellite to document its historic planetary defense […]
A Furious Sky over Mount Shasta
Is the sky angry with Mount Shasta? According to some ancient legends, the spirits of above and below […]
DART: Impact on Asteroid Dimorphos
Could humanity deflect an asteroid headed for Earth? Yes. Deadly impacts from large asteroids have happened before in […]
All the Water on Planet Earth
How much of planet Earth is made of water? Very little, actually. Although oceans of water cover about […]
The Fairy of Eagle Nebula
The dust sculptures of the Eagle Nebula are evaporating. As powerful starlight whittles away these cool cosmic mountains, […]
September Sunrise Shadows
The defining astronomical moment for this September’s equinox was on Friday, September 23, 2022 at 01:03 UTC, when […]