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Telescopes

James Webb Space Telescope Observation Techniques Gaia Space Telescope NASA/ESA/CSA Nancy Grace Roman Telescope

Astronomers Make First Direct Mass Measurement of a Rogue Planet

Simultaneous Earth–Gaia observations produced a microlens‑parallax signal that broke the long‑standing mass–distance degeneracy.

Webb Study Detects Auroral Heating and Sub‑5°C Weather Shifts on Rogue Planet SIMP‑0136

Asteroid 2024 YR4 Now Has 4.3% Chance of Striking the Moon