Alien eavesdropping: A new study shows how our signals might leak into space.
Imagine you’re an alien astronomer, pointing your telescope toward our solar system, listening for signs of intelligent life. Would you hear us? For decades, scientists have wondered the same thing.
A new study by researchers from Penn State University and NASA suggests we may finally have a clue. By carefully mapping the directions and timing of Earth’s strongest space communications, they’ve shown that our radio messages, meant for spacecraft like those near Mars, leak into the cosmos in predictable patterns.
More than 5,000 planets have been discovered beyond our solar system, allowing scientists to explore planetary evolution and consider the possibility of extraterrestrial life. Now, a UC Riverside study published in Physical Review D suggests that exoplanets, which are planets orbiting stars outside our solar system, could also serve as tools to investigate dark matter.
What new methods can be used to detect alien technosignatures? This is what a recent study published in The Astrophysical Journal Letters hopes to address | Space
What can Jupiter’s auroras teach scientists about auroras on other planets? This is what a recent study published in Physical Review Letters hopes to | Space
Get a free trial TODAY with Hostinger Horizons! Use code ISAACARTHUR to get 10% off your first month here: http://hostinger.com/isaacarthur. The silence of the stars might be hiding more than an absence of life — it might conceal ancient machines, monuments, and traps from civilizations long vanished. Today, we explore these eerie cosmic echoes and the risks of unearthing them.
Visit our Website: http://www.isaacarthur.net. Join Nebula: https://go.nebula.tv/isaacarthur. Support us on Patreon: / isaacarthur. Support us on Subscribestar: https://www.subscribestar.com/isaac-a… Group: / 1,583,992,725,237,264 Reddit: / isaacarthur Twitter: / isaac_a_arthur on Twitter and RT our future content. SFIA Discord Server: / discord Credits: Ancient Alien Artifacts — Cosmic Relics Of A Dangerous Past Written, Produced & Narrated by: Isaac Arthur Script Editor: Lukas Konecny Graphics: Sergio Botero, Udo Schroeter Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Chapters 0:00 Intro 1:42 The Cosmic Junkyard 3:56 What Survives When Civilizations Don’t 9:31 Dangerous by Design 12:04 False Gifts and Poisoned Knowledge 15:37 We Might Already Be Inside One 19:21 Detecting the Undetectable 21:34 The Human Reaction 23:31 The Million-Year Message 24:55 Galactic Cemeteries 26:53 The Ghosts We Might Meet 28:43 The Next Artifacts. Facebook Group: / 1583992725237264 Reddit: / isaacarthur. Twitter: / isaac_a_arthur on Twitter and RT our future content. SFIA Discord Server: / discord. Credits: Ancient Alien Artifacts — Cosmic Relics Of A Dangerous Past. Written, Produced & Narrated by: Isaac Arthur. Script Editor: Lukas Konecny. Graphics: Sergio Botero, Udo Schroeter. Select imagery/video supplied by Getty Images. Music Courtesy of Epidemic Sound http://epidemicsound.com/creator.
Chapters. 0:00 Intro. 1:42 The Cosmic Junkyard. 3:56 What Survives When Civilizations Don’t. 9:31 Dangerous by Design. 12:04 False Gifts and Poisoned Knowledge. 15:37 We Might Already Be Inside One. 19:21 Detecting the Undetectable. 21:34 The Human Reaction. 23:31 The Million-Year Message. 24:55 Galactic Cemeteries. 26:53 The Ghosts We Might Meet. 28:43 The Next Artifacts
In this video, I’m counting down 5 Weird Alien Tech Sci-Fi You Need to Read—plus a few honourable mentions—for fans of mind-bending, physics-breaking, utterly baffling extraterrestrial inventions.
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In the not-too-distant future, the search for signs of life on Mars and the moon could see the next generation of robots exploring a new frontier: subsurface lava tubes. These missions could also help us determine the best locations for establishing human bases.
To see whether this could be feasible, scientists tested three autonomous robots in a lava cave on the Spanish island of Lanzarote.
Lava tubes are deep underground caves formed by volcanic activity and are found in various parts of the world, as well as on Mars and the moon. These cavernous spaces could offer protection from the harsh environment of space, such as extreme temperatures, radiation and bombardment from meteorites. This means they may not only harbor existing life but could also serve as ideal locations for manned lunar and Martian bases.
What if alien life on other planets didn’t need liquid water to exist? This is what a recent study published in the Proceedings of the National Acade | Space
Is our missing antimatter hiding in a mirror universe? Some scientists think a time-reversed anti-universe exists alongside ours — a place where antimatter rules and their “forward” is our “backwards.” If true, it could solve one of physics’ biggest mysteries.
In this video: the antimatter imbalance, CPT symmetry, and what life in a mirror reality might be like.
Could our missing antimatter be hiding in a parallel, time-reversed universe? Physicists have long puzzled over one of the biggest mysteries in cosmology: why our universe is made almost entirely of matter, when the Big Bang should have created equal amounts of matter and antimatter. Some theories suggest that the answer lies in a mirror universe — a realm where antimatter dominates and time flows in the opposite direction to ours.
