1970 ⟶ Launch of the Uhuru Satellite for X-ray Astronomy

The Uhuru satellite, designed to map the sky at X-ray wavele...
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1983
2012

🔭 Scorpius X-1: First Cosmic X-ray Source Discovered

Riccardo Giacconi and his team discover the first cosmic x-ray source, Scorpius X-1⟶
Scorpius X-1: First Cosmic X-ray Source Discovered (1962)
AstronomyAstrophysicsX-ray AstronomyCosmic X-raysScorpius X-1Space-based ObservatoriesHigh-energy Astrophysics
United StatesUnited States

💥 Discovery of the First Gamma-Ray Burst

Vela nuclear test detection satellites discover the first gamma-ray burst⟶
Discovery of the First Gamma-Ray Burst (1967)
AstronomyGamma-Ray BurstVela SatellitesNuclear Test DetectionAstrophysics1960sHigh-Energy Astrophysics
United StatesUnited States

🔭 Launch of the Uhuru Satellite for X-ray Astronomy

The Uhuru satellite, designed to map the sky at X-ray wavelengths, is launched by NASA. The existence of X-rays from the Sun and a few other stars has already been found using rocket-launched experiments, but Uhuru charts more than 300 X-ray sources, including several possible black holes.⟶
Launch of the Uhuru Satellite for X-ray Astronomy (1970)
AstronomyX-ray AstronomySatelliteNASAAstrophysicsBlack HolesUhuru
United StatesUnited States

⚫ Evidence of a Black Hole

Charles Thomas Bolton was the first astronomer to present irrefutable evidence of the existence of a black hole.⟶
Evidence of a Black Hole (1972)
AstronomyAstrophysicsBlack HoleCharles Thomas BoltonBinary Star SystemX-ray Astronomy1970s
CanadaCanada

🔭 Launch of the Infrared Astronomical Satellite (IRAS)

The first infrared astronomy satellite, IRAS, is launched. It must be cooled to extremely low temperatures with liquid helium, and it operates for only 300 days before the supply of helium is exhausted. During this time it completes an infrared survey of 98% of the sky.⟶
Launch of the Infrared Astronomical Satellite (IRAS) (1983)
Infrared AstronomyIRASSpace-based ObservatoriesAstronomy1980sTelescopesAstrophysicsSpace Exploration
United StatesUnited StatesNetherlandsNetherlandsUnited KingdomUnited Kingdom

🕳️ First Visual Proof of Black Hole Swallowing a Star

(May 2) First visual proof of the existence of black holes is published. Suvi Gezari's team in Johns Hopkins University, using the Hawaiian telescope Pan-STARRS 1, record images of a supermassive black hole 2.7 million light-years away that is swallowing a red giant.⟶
First Visual Proof of Black Hole Swallowing a Star (2012)
AstronomyAstrophysicsBlack HolesSupermassive Black HolesPan-STARRSTidal Disruption Event21st Century ScienceObservational AstronomySuvi Gezari
USAUSA