Gigantic Jet Lightning over China
That’s no meteor. While watching and photographing this year’s Perseid Meteor Shower, something unexpected happened: a gigantic jet […]
NASA
Tutulemma: Solar Eclipse Analemma
If you went outside at exactly the same time every day and took a picture that included the […]
Map of Total Solar Eclipse Path in 2017 August
Would you like to see a total eclipse of the Sun? If so, do any friends or relatives […]
Gamma rays and Comet Dust
Gamma-rays and dust from periodic Comet Swift-Tuttle plowed through planet Earth’s atmosphere on the night of August 11/12. […]
Perseid Fireball at Sunset Crater
On the night of August 12, this bright Perseid meteor flashed above volcanic Sunset Crater National Monument, Arizona, […]
Perseid Night at Yosemite
The 2016 Perseid meteor shower performed well on the night of August 11/12. The sky on that memorable […]
Meteor before Galaxy
What’s that green streak in front of the Andromeda galaxy? A meteor. While photographing the Andromeda galaxy last […]
Five Planets and the Moon over Australia
It is not a coincidence that planets line up. That’s because all of the planets orbit the Sun […]
Human as Spaceship
You are a spaceship soaring through the universe. So is your dog. We all carry with us trillions […]
The Keyhole in the Carina Nebula
The dark dusty Keyhole Nebula gets its name from its unusual shape. The looping Keyhole, in this featured […]