All the Water on Planet Earth
How much of planet Earth is made of water? Very little, actually. Although oceans of water cover about […]
astronomy
The Launch of OSIRIS REx
Near sunset on Thursday, clear skies saw the launch of the OSIRIS-REx spacecraft. Sporting a single solid rocket […]
Eclipse to Sunset
September’s eclipse of the Sun is documented in the 68 frames of this timelapse composite. Starting at 1pm […]
The Whirlpool Galaxy and Beyond
Follow the handle of the Big Dipper away from the dipper’s bowl, until you get to the handle’s […]
Spiral Meteor through the Heart Nebula
What is this meteor doing? Dynamically, the unusually short and asymmetric train may indicate that the sand-sized grain […]
Little Planet Astro Camp
Day and night on this little planet look a lot like day and night on planet Earth. In […]
Annular Solar Eclipse over New Mexico
What is this person doing? In 2012 an annular eclipse of the Sun was visible over a narrow […]
Aurora over Icelandic Fault
Admire the beauty but fear the beast. The beauty is the aurora overhead, here taking the form of […]
Abell 370: Galaxy Cluster Gravitational Lens
What is that strange arc? While imaging the cluster of galaxies Abell 370, astronomers had noted an unusual […]
Closest Star has Potentially Habitable Planet
The star closest to the Sun has a planet similar to the Earth. As announced yesterday, recent observations […]