Science ❯ Astronomy ❯ Observational Astronomy

NASA

Chandra X-ray Observatory James Webb Space Telescope ATLAS Survey Webb Space Telescope Chandra X-Ray Observatory Fermi Gamma-ray Space Telescope Neil Gehrels Swift Observatory NIRCam and NIRSpec Spacecraft Public Observations ESA

8 ARTICLES

last wk.

Study Suggests Nereid Is Neptune’s Last Intact Original Moon

JWST spectra and dynamical models imply Nereid was pushed into its eccentric orbit during Triton’s capture, making it a testable relic of Neptune’s original satellite system.

4 ARTICLES

4mo ago

New Chandra Image Reveals 'Champagne Cluster' as Two Merging Galaxy Clusters

4 ARTICLES

8mo ago

Chandra Finds Early Quasar’s Black Hole Growing Beyond the Eddington Limit