Tag Archive for 'Neutral hydrogen'

Extended Orion nebula shell sampled by HI emission from the combined VLA and FAST observations (shown in red), Hα emission from the European Southern Observatory Digitized Sky Survey (shown in green), and 3.4-μm emission registered by the Wide-field Infrared Survey Explorer (WISE) satellite (shown in blue). Image credit: Juan D. Soler, University of Vienna / NRAO / VLA / NASA / WISE.

Astronomers Uncover Hidden Structures Surrounding Orion Nebula

Jul 10, 2026 by Enrico de Lazaro

Using the Karl G. Jansky Very Large Array (VLA) s and the Five-hundred-meter Aperture Spherical Radio Telescope (FAST), astronomers have created the sharpest-ever...

This image shows the location of the RELHIC object Cloud-9. Image credit: NASA / ESA / VLA / Gagandeep Anand, STScI / Alejandro Benitez-Llambay, University of Milano-Bicocca / Joseph DePasquale, STScI.

New Type of Astronomical Object Discovered: RELHIC

Jan 6, 2026 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have confirmed the existence of starless, hydrogen-rich objects dominated by dark matter. Named Reionization-Limited...