An interstellar comet is a comet that originated in another star system and passes through the Solar System.
October 08, 2025
high
definition
Defines the term 'interstellar comet' used in astronomical contexts.
As of 2025-10-08, three interstellar comets have been confirmed to pass through the Solar System: 1I/'Oumuamua (2017), 2I/Borisov (2019), and 3I/ATLAS.
October 08, 2025
high
statistical
Counts confirmed examples of interstellar comets and gives their years of observation.
Gamma-ray bursts (GRBs) are extremely luminous explosions in the universe that typically produce pulses of gamma rays lasting seconds to minutes.
January 01, 1990
high
temporal
Describes typical observed duration and luminosity of GRBs.
Gamma-ray bursts were first detected in the 1960s by U.S. spy satellites that were monitoring for clandestine nuclear weapons tests.
January 01, 1967
high
temporal
Historical origin of GRB discovery via military satellite monitoring.
Gamma rays are the highest-energy form of electromagnetic radiation.
January 01, 1900
high
temporal
Basic characterization of gamma rays within the electromagnetic spectrum.