Science ❯ Astronomy

Telescope Technology

James Webb Space Telescope Infrared Imaging Keck Telescope Atacama Large Millimetre Array European Southern Observatory Gemini North Telescope ALMA Observatories Vera Rubin Observatory Very Large Telescope Gemini Observatory Digital Cameras Ground-based Observations Observational Astronomy Gaia Space Telescope Vera C. Rubin Observatory Robotic Telescopes Gravitational Lensing WEAVE

New Spectrograph Reveals Mars-Mass Iron Bar in the Ring Nebula

Follow-up with WEAVE will test whether other elements align with the iron-only signal to distinguish planetary debris from stellar ejecta.

Hubble and Infrared Observations Show 3I/ATLAS Is an Active Interstellar Comet

Rubin Observatory Unveils First Deep-Sky Survey Images, Activates Rapid Alert System