APOD Science APOD APOD: 2026 August 3 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Vaporizing Meteor [...]
Photo of the Day What's happening to this cloud? Ice crystals in a distant cirrus cloud are acting like little floating prisms. Known informally as a fire rainbow for its flame-like appearance, a circumhorizon arc appears parallel to the horizon. For a circumhorizontal arc to be visible, the Sun must be at least 58 [...]
APOD Science APOD APOD: 2026 August 2 – A Fire… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. [...]
Photo of the Day The Buck Moon is a traditional name for the full moon of July. In this colorful Adriatic sea and skyscape captured on July 28 from Krk Island along the coast of Croatia, a full Buck Moon is just rising over distant mountains. Since a full moon rises as the Sun [...]
APOD Science APOD APOD: 2026 August 1 – Buck… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Buck [...]
Skywatching Skywatching Home What’s Up Meteor Showers Eclipses Daily Moon Guide More Tips & Guides Skywatching FAQ Night Sky Network A solar eclipse, the Perseids, bright Venus after sunset, and a deep partial lunar eclipse highlight August’s skywatching. Skywatching Highlights Aug. 5: Last Quarter Moon Aug. 12: Total solar eclipse across northern Russia, Greenland, [...]
These photos show how engineers with conducted testing on a 1.2% scale model of SpaceX’s Super Heavy Version 3 rocket booster at NASA’s Ames Research Center in California’s Silicon Valley. The tests focused on better understanding the extreme aerodynamic forces the rocket can experience during re-entry and builds on a previous test series completed at [...]
These photos show how engineers with conducted testing on a 1.2% scale model of SpaceX’s Super Heavy Version 3 rocket booster at NASA’s Ames Research Center in California’s Silicon Valley. The tests focused on better understanding the extreme aerodynamic forces the rocket can experience during re-entry and builds on a previous test series completed at [...]
These photos show how engineers with conducted testing on a 1.2% scale model of SpaceX’s Super Heavy Version 3 rocket booster at NASA’s Ames Research Center in California’s Silicon Valley. The tests focused on better understanding the extreme aerodynamic forces the rocket can experience during re-entry and builds on a previous test series completed at [...]
These photos show how engineers with conducted testing on a 1.2% scale model of SpaceX’s Super Heavy Version 3 rocket booster at NASA’s Ames Research Center in California’s Silicon Valley. The tests focused on better understanding the extreme aerodynamic forces the rocket can experience during re-entry and builds on a previous test series completed at [...]
