The concept of "dark matter" is proposed to explain gravitational effects observed in the universe, even though it remains undetected by current instruments. ππ€
Pilot Encounters: Commercial and military pilots worldwide have reported UFO encounters, often reluctant to come forward due to fear of professional repercussions. πΈπ½
FBI's Vault: The FBI has a publicly available online document vault that includes a section on UFOs, showcasing decades of UFO-related investigations and reports. π½πΎ
Kenneth Arnold Sighting (1947): Often considered the first modern UFO sighting, Kenneth Arnold reported seeing nine high-speed objects near Mount Rainier, Washington, coining the term "flying saucers." πΈ
The Hubble Space Telescope has provided stunning images of distant galaxies, nebulae, and other celestial wonders, expanding our understanding of the cosmos. π°οΈπ
The largest known structure in the universe is the Hercules-Corona Borealis Great Wall, a vast cosmic structure of galaxies spanning over 10 billion light-years. ππ°
Exoplanets, planets outside our solar system, are being discovered at an accelerating rate, expanding our understanding of potential habitable worlds. οΏ½οΏ½οΏ½π