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Tags
- A
- Abomination of desolation
- Absolute Magnitude
- Absorption spectroscopy
- Accretion disk
- Acid Rain
- Active galactic nucleus
- Agile
- AI takeover
- Alien Invasion
- Al-Masih ad-Dajjal
- American Institute of Physics
- Amillennialism
- Anomalous X-ray pulsar
- Anoxic event
- Anthropogenic hazard
- Antichrist
- Apep
- Apocalypse
- Apocalyptic and post-apocalyptic fiction
- Apocalypticism
- Apocalyptic literature
- Apparent magnitude
- Armageddon
- Artificial Intelligence
- ArXiv
- Asteroid impact avoidance
- Asteroseismology
- Astronomy
- Astronomy and Astrophysics
- Astrophysical jet
- Bad Astronomy
- Be/X-ray binary
- Bibcode
- Big Bang
- Big Bounce
- Big Crunch
- Big Rip
- Binary black hole
- Binary pulsar
- Binary Star
- Biodiversity loss
- Biological agent
- Biological warfare
- Biotechnology risk
- Bioterrorism
- Bivalve
- Black hole
- Black Star
- Blazar
- Blue supergiant star
- Book of Daniel
- Book of Enoch
- Book of Revelation
- BOOTES
- Cambridge University Press
- Cascade effect
- Centaurus A
- Chandrasekhar limit
- Chandra X-ray Observatory
- Chemical Warfare
- Christian eschatology
- Chronology of the universe
- Climate change
- Climate fiction
- Collimated light
- Colony collapse disorder
- Comet
- Compact star
- Compton Gamma Ray Observatory
- Compton scattering
- Coronal mass ejection
- Cyber-attack
- Cyberterrorism
- Cyberwarfare
- Cygnus X-1
- Dark star
- Dead Hand
- Declination
- Decline in amphibian populations
- Deforestation
- Depression
- Desertification
- DESY
- Disaster film
- DOI
- Doomsday Clock
- Doomsday Device
- Drought
- Earth
- Earth Changes
- Earth Overshoot Day
- Earth's atmosphere
- Ecocide
- Ecological collapse
- Economic collapse
- Ecosystem
- Ejecta
- Electromagnetic pulse
- Electromagnetic spectrum
- Electronvolt
- Elliptical galaxy
- Energy
- Environmental degradation
- Epidemic
- Eschatology
- Eta Carinae
- Ethan Siegel
- European Space Agency
- Event horizon
- Events of Revelation
- Exotic star
- Extinction
- Extinction event
- Famine
- Faster-than-light
- Fast radio burst
- Fermi Gamma-ray Space Telescope
- Financial crisis
- Firewall
- Flood basalt
- Four Horsemen of the Apocalypse
- Future of an expanding universe
- Future of Earth
- Future of Humanity Institute
- Future of Life Institute
- Futurism
- Fuzzball
- Galactic halo
- Galaxy
- Gamma ray
- Gamma-ray astronomy
- Gamma-ray burst
- Gamma-Ray Burst Optical/Near-Infrared Detector
- Gauss
- Genetic pollution
- Geomagnetic storm
- Glitch
- Global catastrophic risk
- Global dimming
- Globular cluster
- Gog and Magog
- Gravitational collapse
- Gravitational lens
- Gravitational microlensing
- Gravitational wave
- Gravity well
- Great Apostasy
- Great Tribulation
- Grey goo
- Gw170817
- Habitat destruction
- Hawking radiation
- HDL
- Heat death of the universe
- Hercules A
- Historicism
- Holocene extinction
- Holographic principle
- Hubble Space Telescope
- Human extinction
- Human impact on the environment
- Human overpopulation
- Hypernova
- Ice Age
- Idealism
- Impact event
- Impact winter
- Infrared
- Integral
- Intermediate-mass black hole
- International Standard Book Number
- International Standard Serial Number
- Interplanetary contamination
- Interstellar medium
- Ionosphere
- Islamic eschatology
- Isotropy
- Israfil
- Jewish eschatology
- Kali Yuga
- Kalki
- Kilonova
- Kinetic bombardment
- Lake of Fire
- Land consumption
- Land degradation
- Large Magellanic Cloud
- Last Judgment
- Light curve
- Light year
- LIGO Scientific Collaboration
- Los Alamos National Laboratory
- Luminosity
- Magnetar
- Magnetic field
- Magnetospheric eternally collapsing object
- Mahdi
- Maitreya
- Malthusianism
- Man of sin
- Mass–energy equivalence
- Massive stars
- Messiah
- Messiah in Judaism
- Messianic Age
- Messianism
- Metallicity
- Micro black hole
- Microquasar
- Microwave
- Milky Way
- Millenarianism
- Millennialism
- Millisecond pulsar
- Molecules
- Monthly Notices of the Royal Astronomical Society
- Multimodal distribution
- Mutual assured destruction
- Naked singularity
- NASA
- National Radio Astronomy Observatory
- Nature
- Nature Communications
- Near-Earth object
- Nemesis
- Neutronium
- Neutron star
- New Earth
- New Jerusalem
- New World Order
- Nitrate
- Nitric acid
- Nitrogen
- Nitrogen dioxide
- Nitrogen oxide
- No-hair theorem
- Nuclear fusion
- Nuclear holocaust
- Nuclear physics
- Nuclear Threat Initiative
- Nuclear warfare
- Nuclear winter
- Number of the Beast
- Ocean acidification
- Olivet Discourse
- Optics
- Ordovician
- Ordovician–Silurian extinction events
- Osti
- Overexploitation
- Overfishing
- Overpopulation
- Oxford University Press
- Oxygen
- Ozone depletion
- Ozone layer
- Paleobiology
- Pandemic
- PARSEC
- Partial Nuclear Test Ban Treaty
- Photon
- Photon sphere
- Photosynthesis
- Physical Review
- Planet Nine
- Plankton
- PMC
- Pole shift hypothesis
- Pollinator decline
- Postmillennialism
- Post-tribulation rapture
- Potentially hazardous object
- Premillennialism
- Preterism
- Primordial black hole
- Prophecy of Seventy Weeks
- Publications of the Astronomical Society of the Pacific
- PubMed
- Pulsar
- Pulsar wind nebula
- QCD matter
- Quanta Magazine
- Quark star
- Quasar
- Quasi-periodic oscillation
- Quasi-star
- Radio Star
- Radio Waves
- Ragnarök
- Ransomware
- Rapture
- Rebecca Morelle
- Redshift
- Relativistic beaming
- Relativistic speed
- Resource depletion
- Right ascension
- Riot
- Rogue planet
- Rossi X-ray Timing Explorer
- Rotating black hole
- Rotating radio transient
- Sagittarius A*
- Satellite
- Schwarzschild metric
- Schwarzschild radius
- Science
- Science Daily
- Sea level rise
- Search for extraterrestrial intelligence
- Second Coming
- Seven bowls
- Seven seals
- Seyfert galaxy
- Shock Wave
- Slew
- Smog
- Social crisis
- Societal collapse
- Solar flare
- Solar System
- Son of Perdition
- Soviet Union
- Space Telescope Science Institute
- Spaghettification
- Special relativity
- Spectroscopy
- Springer
- Star
- Star position
- Starquake
- Stellar black hole
- Stellar collision
- Stellar evolution
- Stellar population
- Sun
- Sunlight
- Superluminous supernova
- Supermassive Black Hole
- Supernova
- Supernova remnant
- Supervolcano
- Survivalism
- Swift Gamma-Ray Burst Mission
- Synchrotron
- Synthetic intelligence
- Technological singularity
- Tempo
- Tesla
- The Astrophysical Journal
- The Beast
- The Magnificent Seven
- The Sheep and the Goats
- Third Temple
- Thorne–Żytkow object
- Three Ages of Buddhism
- Tidal disruption event
- Tidal force
- Time reversibility
- Transhumanism
- Trilobite
- Two witnesses
- Type Ib and Ic supernovae
- Ultimate fate of the universe
- Ultraviolet
- Ultraviolet index
- Universal resurrection
- University of Maryland
- University of Texas at Austin
- UTC
- Virgo interferometer
- Visible spectrum
- Volcanic winter
- War in Heaven
- Water pollution
- Water scarcity
- Wayback Machine
- White dwarf
- White hole
- Whore of Babylon
- William Herschel Telescope
- Wolf–Rayet star
- World to come
- World War III
- Wormhole
- X-Ray
- X-ray astronomy
- X-ray binary
- X-ray burster
- X-ray pulsar
- X-ray pulsar-based navigation
- Zombie
- Zombie Apocalypse