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Complex planetary nebula traced by Webb
Saturday, August 9, 2025 by Russ Scritchfield
Since their discovery in the late 1700s, astronomers have learned that planetary nebulae, or the expanding shell of glowing gas expelled by a low-intermediate mass star late in its life, can come in all shapes and sizes. Most planetary nebula present as circular, elliptical, or bi-polar, but some st...
August 2025 skywatching tips
Friday, August 8, 2025 by Richard Harris
Jupiter and Venus shine brightly in the mornings as they appear to graze each other in the sky on the 11th and 12th. The Perseids are washed out by the Moon. August 2025 skywatching tips from NASA: All month planet visibility Mercury: Pops up above the horizon during the second half of Augu...
NASA-ISRO satellite lifts off
Friday, August 1, 2025 by Richard Harris
The Indian Space Research Organization’s Geosynchronous Satellite Launch Vehicle lifts off from Satish Dhawan Space Centre on India’s southeastern coast at 8:10 a.m. EDT (5:40 a.m. IST), July 30, 2025. Image credit: ISRO Pictured above: Carrying an advanced radar system that w...
Star eating black hole spotted by Hubble and Chandra
Wednesday, July 30, 2025 by Russ Scritchfield
NASA’s Hubble Space Telescope and the Chandra X-ray Observatory have collaborated to identify a potential example of an elusive category of black holes. Known as NGC 6099 HLX-1, this luminous X-ray source appears to be located within a compact star cluster on the outskirts of a massive ellipti...