NASA’s IXPE Challenges Theories on Black Hole Corona and Polarised X-Ray Emissions

Published

13 hours ago

August 16, 2025

admin

NASA’s Imaging X-ray Polarimetry Explorer (IXPE) has made surprising observations in a black hole binary system, detecting a high degree of X-ray polarisation that challenges current models of corona structure and accretion discs. In X-ray binaries, black holes pull matter from nearby stars, forming hot accretion discs and coronas.

Science

ULA’s Vulcan Centaur Launches NTS-3, Advancing Military Satellite Navigation

Published

14 hours ago

August 16, 2025

admin

United Launch Alliance launched its powerful Vulcan Centaur rocket carrying NTS-3, a cutting-edge GPS PNT satellite for the U.S. military. This mission marks the first military experimental navigation satellite launch in 48 years. With advanced anti-jamming technology and the ability to reprogram in orbit, NTS-3 sets a new benchmark for satellite security and flexibil…

Science

Ariane 6 Launches Metop-SGA1 Weather Satellite into Polar Orbit

Published

15 hours ago

August 16, 2025

admin

Europe’s heavy-lift Ariane 6 rocket completed its third successful launch on Aug. 12, 2025, lifting off from Kourou, French Guiana at 8:37 p.m. EDT. The mission carried Metop-SGA1, an 8,900-pound next-generation polar-orbiting weather satellite operated by EUMETSAT. Placed into an 800 km polar orbit 64 minutes after liftoff, Metop-SGA1 will deliver high-resolution g…

Science

NASA Explores Industry Collaboration to Boost Swift Observatory’s Orbit and Extend Its Mission

Published

1 day ago

August 15, 2025

admin

NASA is partnering with U.S. firms to study boosting the Neil Gehrels Swift Observatory’s orbit, aiming to extend its scientific life and advance orbital servicing technologies. Funded through Phase III SBIR awards, the project explores cost-effective solutions while preserving Swift’s astrophysics role. Collaboration with Starfish Space may also provide critical …