Earth Is at Risk from Asteroids We Can’t See, Astronomers Say
Most dangerous asteroids don’t come with warning signs, and some are almost impossible to spot until it’s too late. Astronomers say a whole class of space rocks hides in the Sun’s glare, making them nearly invisible to our telescopes. These objects could approach Earth from directions we barely monitor. That doesn’t mean panic—but it does mean our planetary defense has blind spots. And in this video, we’ll explain what these hidden asteroids are, why they’re so hard to see, and what scientists are doing about it.Credit:
CC BY 4.0 https://creativecommons.org/licenses/by/4.0/deed.en
Vera C. Rubin Observatory: by Rubin Observatory / NOIRLab / NSF / AURA / B. Quint https://commons.wikimedia.org/wiki/File:Vera_C._Rubin_Observatory,_iotw2229a_-_Night_Light.jpg
The Cosmic Treasure Chest: by NSF–DOE Vera C. Rubin Observatory https://commons.wikimedia.org/wiki/File:The_Cosmic_Treasure_Chest_6677a1b973984abdbc3e762cd0af6bba.preview.webm
All Known Asteroids: by NASA Jet Propulsion Laboratory https://commons.wikimedia.org/wiki/File:All_Known_Asteroids_in_the_Solar_System_(1999-2018).ogv
NEO Surveyor: by NASA / JPL-Caltech / University of Arizona https://commons.wikimedia.org/wiki/File:Illustration_of_NEO_Surveyor_against_an_infrared_starfield_(PIA25253).jpg
DART- Double Asteroid Redirection Test: by NASA's Scientific Visualization Studio - Marit Jentoft-Nilsen https://commons.wikimedia.org/wiki/File:DART-_Double_Asteroid_Redirection_Test_(SVS31194_-_DART_Infographic_KgIMeWpalQ0).webm
DART's Collision with Dimorphos : by NASA / Johns Hopkins APL /Jon Emmerich https://dart.jhuapl.edu/Gallery/
DART AnimatedSequence-2020: by NASA/Johns Hopkins APL/Steve Gribben/Jessica Tozer https://commons.wikimedia.org/wiki/File:DART_AnimatedSequence-2020_from_launch_to_impact_along_with_separation_of_LICIACube.webm
NASA’s First Planetary Defense Mission: by NASA's Scientific Visualization Studio - KBR Wyle Services, LLC/Michelle Handleman, NASA/Jessica Sansarran, KBR Wyle Services, LLC/Christina Brooke Mitchell, NASA/GSFC/Madison Arnold, KBR Wyle Services, LLC/Elizabeth C. Wilk, ADNET Systems, Inc./Pedro Cota, Telophase/Maria-Jose Vinas Garcia, ADNET Systems, Inc./Noelia Gonzalez Moreira, KBR Wyle Services, LLC/Kathryn Mersmann https://commons.wikimedia.org/wiki/File:History_In_The_Making!_Next_Week_NASA%E2%80%99s_First_Planetary_Defense_Mission_Will_Intentionally_Crash_Into_A_Small_Asteroid_Live_Shots_(SVS14210_-_DART_Rollins).webm
Solar Eclipse Animation Elements: by NASA's Scientific Visualization Studio - SSAI/Andrew J Christensen, ADNET Systems, Inc./Laurence Schuler, ADNET Systems, Inc./Ian Jones, NASA/GSFC/C. Alex Young, NASA/GSFC/Michael S. Kirk, Catholic University of America/Carina R. Alden https://commons.wikimedia.org/wiki/File:Solar_Eclipse_Animation_Elements_(SVS5093_-_eclipseElements60fps_4-11-2023a_annular_diagram).webm
Terminator 2: Judgment Day / Carolco Pictures
2012 / Columbia Pictures
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