Yes, but have you ever seen a sunrise like this? Here, after initial cloudiness, the Sun appeared to rise in two pieces and during a partial eclipse in 2019, causing the photographer to describe it as the most stunning sunrise of his life. The dark circle near the top of the atmospherically-reddened Sun is the […]
What’s that in front of the Sun? The closest object is an airplane, visible just below the Sun’s center and caught purely by chance. Next out are numerous clouds in Earth’s atmosphere, creating a series of darkened horizontal streaks. Farther out is Earth’s Moon, seen as the large dark circular bite on the upper right. […]
This picture of Andromeda shows not only where stars are now, but where stars will be. The big, beautiful Andromeda Galaxy, M31, is a spiral galaxy a mere 2.5 million light-years away. Image data from space-based and ground-based observatories have been combined here to produce this intriguing composite view of Andromeda at wavelengths both inside […]
“I think the experience of putting yourself in an uncomfortable environment and coming at the other end with lessons learned is always positive. Trying to expand the windows of where you feel comfortable gives you a chance to know yourself better.” — Alfonso Davila, Research Scientist, Exobiology Branch, NASA’s Ames Research Center via NASA
How big is our universe? This question, among others, was debated by two leading astronomers in 1920 in what has since become known as astronomy’s Great Debate. Many astronomers then believed that our Milky Way Galaxy was the entire universe. Many others, though, believed that our galaxy was just one of many. In the Great […]
This feature looks a bit like a bear’s face. What is it really? There’s a hill with a V-shaped collapse structure (the nose), two craters (the eyes), and a circular fracture pattern (the head). The circular fracture pattern might be due to the settling of a deposit over a buried impact crater. Maybe the nose […]
Tracking along a narrow path, the shadow of a new moon will race across North, Central, and South America, on October 14. When viewed from the shadow path the apparent size of the lunar disk will not quite completely cover the Sun though. Instead, the moon in silhouette will appear during the minutes of totality […]
iss066e083715 (Nov. 26, 2021) — NASA astronaut and Expedition 66 Flight Engineer Raja Chari is ready for taco night as he shows off a taco made with fresh chile peppers harvested from inside the International Space Station’s Advanced Plant Habitat. via NASA
Does this nebula look like the head of a witch? The nebula is known popularly as the Witch Head Nebula because, it is said, the nebula’s shape resembles a Halloween-style caricature of a witch’s head. Exactly how, though, can be a topic of imaginative speculation. What is clear is that IC 2118 is about 50 […]
Expedition 69 NASA astronaut Frank Rubio is carried to a medical tent shortly after he, and Roscosmos cosmonauts Dmitri Petelin and Sergey Prokopyev landed in their Soyuz MS-23 spacecraft near the town of Zhezkazgan, Kazakhstan on Wednesday, Sept. 27, 2023. The trio are returning to Earth after logging 371 days in space as members of […]