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European Southern Observatory

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Situations

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First exomoon candidate around brown dwarf CD‑35 2722 B

4 clusters · 54 sources · last updated

Latest: First Exomoon Discovered Orbiting Brown Dwarf in CD-35 2722 System

Astronomers using ESO’s Very Large Telescope and the CRIRES+ spectrograph reported on 22 July 2026 a ~0.9 Jupiter‑mass object producing a 170‑day radial‑velocity signal around the brown dwarf CD‑35 2722 B, itself a compa

[ACTIVE] [TECHNOLOGY] [US] [KR] [JP]

Falcon 9 upper‑stage Moon impact – Aug 5‑6 2026

8 clusters · 472 sources · last updated

Latest: NASA Highlights Space Threats from Asteroids and Lunar Rocket Debris

NASA confirmed that the 4‑ton, 14‑metre Falcon 9 upper‑stage launched on 15 January 2025 struck the Moon on 5 August 2026 near the terminator close to Einstein crater on the western limb. After delivering Firefly’s Blue 

[ACTIVE] [INTERNATIONAL] [TECHNOLOGY] [CL] [FR] [IT]

Betelgeuse companion discovery

3 clusters · 25 sources · last updated

Latest: Betelgeuse B Companion Star Confirmed by ESO Observations

In late July 2026, astronomers using the European Southern Observatory’s Very Large Telescope in Chile announced the first clear image of a faint star orbiting the red supergiant Betelgeuse. The companion, designated Bet

[ACTIVE] [TECHNOLOGY] [CL] [ES] [SE]

Exosatellite discovery around brown dwarf

2 clusters · 6 sources · last updated

Latest: Exosatellite Discovery Around Brown Dwarf in CD-35 2722 System

Astronomers announced the detection of an unusual planetary system about 71–72 light‑years from Earth. The system features a red dwarf star, a brown dwarf in orbit, and a Jupiter‑mass object that circles the brown dwarf

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