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 - Galactic Exploration Catalog - 
Original submission for Great Annihilator

Original submission, by Official GEC [2022-05-03 17:20:06]
DISCOVERER
NAME
Great Annihilator
SYSTEMNAME
Great Annihilator
CATEGORY
Stellar Features
CATEGORY 2
REGION
Empyrean Straits
LATITUDE
LONGITUDE
CALLSIGN
SUMMARY
A famous pair of black holes, originally discovered in the 20th century.
DESCRIPTION

The Great Annihilator was named by its discoverers in the 20th century by the Einstein Observatory via soft X-rays. They originally spotted it as one of the brightest X-ray sources in the Milky Way, and subsequent observations showed a variable emitter of massive amounts of photon pairs at 511 keV, the energy level associated with positron-electron annihilation events. Hence the Great Annihilator name. The system was thought to consist of a black hole and a companion star, forming a microquasar.

The first Commanders who visited this system found a pair of black holes and five T Tauri stars. A single High Metal Content world orbits the main black hole on a highly inclined orbit at a great distance: it is likely a captured planet. The surface is extremely cold at 20 K, and despite all the emissions from the Great Annihilator, the planet somehow still holds on to a thin helium atmosphere - although not thin enough to safely land on with current technology.

Astrophotography by Phill P

JOURNAL
OBSERVATORY
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