GRB 970228
GRB 970228 was the first gamma-ray burst (GRB) for which an afterglow was observed. It was detected on 28 February 1997 at 02:58 UTC. Since 1993, physicists had predicted GRBs to be followed by a lower-energy afterglow (in wavelengths such as radio waves, x-rays, and even visible light), but until this event, GRBs had only been observed in highly luminous bursts of high-energy gamma rays (the most energetic form of electromagnetic radiation); this resulted in large positional uncertainties which left their nature very unclear.
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GRB 970228
GRB 970228 was the first gamma-ray burst (GRB) for which an afterglow was observed. It was detected on 28 February 1997 at 02:58 UTC. Since 1993, physicists had predicted GRBs to be followed by a lower-energy afterglow (in wavelengths such as radio waves, x-rays, and even visible light), but until this event, GRBs had only been observed in highly luminous bursts of high-energy gamma rays (the most energetic form of electromagnetic radiation); this resulted in large positional uncertainties which left their nature very unclear.
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GRB 970228 est un sursaut gamm ...... ïnciderait avec une supernova.
@fr
GRB 970228 va ser un brot de r ...... lt més enllà de la Via Làctia.
@ca
GRB 970228 was de eerste gamma ...... et een volgende uitbarsting, .
@nl
GRB 970228 was the first gamma ...... a subsequent burst GRB 970508.
@en
GRB 970228 – pierwszy rozbłysk ...... ości, w tym światło widzialne.
@pl
GRB 970228 — гамма-всплеск, об ...... негалактическое происхождение.
@ru
GRB 970228 — перший гамма-спал ...... ко за межами Чумацького Шляху.
@uk
GRB 970228 fue un brote de ra ...... cho más allá de la Vía Láctea.
@es
GRB 970228は、初めてアフターグローが観測されたガン ...... 線バーストが銀河系以外でも発生しているという証拠にもなった。
@ja
GRB 970228是天文学家第一个观测到余辉的伽玛射线暴。 ...... 只观测到高光度高能量的伽玛射线暴(电磁波中能量最高的部分)。
@zh
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GRB 970228 est un sursaut gamm ...... ïnciderait avec une supernova.
@fr
GRB 970228 va ser un brot de r ...... de radiació electromagnètica).
@ca
GRB 970228 was de eerste gamma ...... aard zeer onduidelijk lieten.
@nl
GRB 970228 was the first gamma ...... eft their nature very unclear.
@en
GRB 970228 – pierwszy rozbłysk ...... z Kosmiczny Teleskop Hubble’a.
@pl
GRB 970228 — гамма-всплеск, об ...... ние было впервые подтверждено.
@ru
GRB 970228 — перший гамма-спал ...... тромагнітного випромінювання).
@uk
GRB 970228 fue un brote de ra ...... e radiación electromagnética).
@es
GRB 970228は、初めてアフターグローが観測されたガン ...... 線バーストが銀河系以外でも発生しているという証拠にもなった。
@ja
GRB 970228是天文学家第一个观测到余辉的伽玛射线暴。 ...... 只观测到高光度高能量的伽玛射线暴(电磁波中能量最高的部分)。
@zh
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GRB 970228
@ca
GRB 970228
@en
GRB 970228
@eo
GRB 970228
@es
GRB 970228
@fr
GRB 970228
@ja
GRB 970228
@nl
GRB 970228
@pl
GRB 970228
@ru
GRB 970228
@uk