From gamma ray bursts and supernova explosions to black holes and unknown alien life, we rank the scariest things in the universe by real threat level. This space documentary starts with cosmic dangers scientists understand and escalates to mysteries that challenge modern astrophysics. Learn how black holes warp space, how supernovae blast radiation across light-years, and why gamma-ray bursts could sterilize entire planets. Then we confront the most unsettling truth of all - the sheer size of the universe and how cosmic scale crushes human intuition. Watch now for a mind bending journey through space threats, existential risks, and the darkest corners of cosmology. Credit:
Gravity / Warner Bros.
Satellites and Space Debris: By NASA's Scientific Visualization Studio - USRA/Kel Elkins, Jessica Ende, OMITRON/Charles Fisher, Christina Mitchell - https://svs.gsfc.nasa.gov/5258, https://commons.wikimedia.org/wiki/File:Tracking_Satellites_and_Space_Debris_in_Earth_Orbit_(Feb_2024)_(SVS5258_-_all_trackable_closer_2160p60).webm
Pitch Black / Polygram Filmed Entertainment
A Galaxy Grouping: By G. Bacon, J. DePasquale, F. Summers, Z. Levay (STScI) - https://hubblesite.org/video/1207/science, https://commons.wikimedia.org/wiki/File:A_Galaxy_Grouping.webm
red giant & neutron star: By NASA/Goddard Space Flight Center - https://svs.gsfc.nasa.gov/vis/a010000/a010800/a010808/, https://commons.wikimedia.org/wiki/File:Christmas_burst_red_giant_%26_neutron_star.ogv
Record-Breaking Burst: By NASA's Scientific Visualization Studio - Francis Reddy, Elizabeth Hays, Brad Cenko, Scott Wiessinger - https://svs.gsfc.nasa.gov/14227, https://commons.wikimedia.org/wiki/File:NASA_Missions_Detect_Record-Breaking_Burst_(SVS14227).webm
First Star 18 Times B-roll: By NASA's Scientific Visualization Studio - ADNET Systems, Inc./Aaron E. Lepsch, KBR Wyle Services, LLC/Michael McClare, Advocates in Manpower Management, Inc./Sophia Roberts, Advocates in Manpower Management, Inc./Michael P. Menzel - https://svs.gsfc.nasa.gov/14248, https://commons.wikimedia.org/wiki/File:The_James_Webb_Space_Telescope_First_Star_18_Ti[…]l_(SVS14248_-_Webb_Sees_First_Star_18_Times_B-roll_2).webm
Star Wars: Episode I - The Phantom Menace / Lucasfilm
Avatar / Twentieth Century Fox
Hubblecast 58: By ESA/Hubble - http://spacetelescope.org/videos/heic1215a/, https://commons.wikimedia.org/wiki/File:Hubblecast_58.webm
Nearby Superclusters: By Galaxies3D, https://commons.wikimedia.org/wiki/File:Nearby_Superclusters.webm
CC BY 3.0 https://creativecommons.org/licenses/by/3.0:
Galaxy Collision Animation: By James Webb Space Telescope (JWST) / YouTube, https://commons.wikimedia.org/wiki/File:Galaxy_Collision_Animation-_James_Webb_Space_Telescope_Science.webm
Gravitational Waves: By LIGO Lab Caltech : MIT / YouTube, https://commons.wikimedia.org/wiki/File:LIGO-_The_First_Observation_of_Gravitational_Waves.webm
CC BY 2.0 https://creativecommons.org/licenses/by/2.0:
Blue and red kilonova: By Dan Kasen, UC Berkeley and Berkeley Lab - https://www.eurekalert.org/multimedia/pub/153353.php, https://commons.wikimedia.org/wiki/File:Blue_and_red_kilonova_Simulations_and_data_Kasen_2017.ogv
Shapley Supercluster: By Judy Schmidt - https://flic.kr/p/22Ac2tD, https://commons.wikimedia.org/w/index.php?curid=93039482
CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/:
Galaxy collision: By Ingo Berg, https://commons.wikimedia.org/wiki/File:Galaxy_collision.ogv
CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0:
SDvision RepulseurDipole v001: By Dpomarede, https://commons.wikimedia.org/w/index.php?curid=102119235
CC BY 4.0 https://creativecommons.org/licenses/by/4.0:
Universe Evolution Simulation: By Dr. Joel Primack, Dr. Anatoly Klypin, Dr. Stefan Gottlöber, Chris Henze, Nina McCurdy, Dr. Mark SubbaRao, Patrick McPike, Dr. Doug Roberts, Mark Paternostro, Adler Planetarium - https://www.eso.org/public/videos/clues_adler/, https://tinyurl.com/23m5fpb8
black hole inside NGC 300 X-1: By ESO/L. Calçada - http://www.eso.org/public/videos/eso1004a/, https://tinyurl.com/25ax6f8d
Animation is created by Bright Side.
