SpaceTime Series 27 Episode 119
*Australian Crater Offers Fresh Insights into Earth's History
Scientists have uncovered a potential 600-kilometre-wide crater in Australia's outback, which could revolutionise our understanding of Earth's geological past. This discovery, presented at the 37th International Geological Congress in South Korea, suggests the existence of Mapix, a massive Cambrian-Precambrian impact structure. The crater's unique characteristics could provide new insights into the geological and biological evolution of our planet. The study's authors have found significant geological evidence, including pseudotachylite breccia and shock minerals like lonsdaleite, supporting the age, size, and location of this impact structure.
*Perseverance Rover Discovers Striped Rock on Mars
NASA's Mars Perseverance rover has spotted an unusual black and white striped rock on the Red Planet. The discovery was made during the rover's exploration of the outer rim of Jezero Crater. The rock, named Freya Castle, has a striking pattern and is unlike anything previously observed on Mars. Early interpretations suggest that igneous and metamorphic processes could have created its distinctive stripes. This finding adds to the variety of intriguing rocks discovered by the rover, which could be among the oldest or youngest ever investigated on Mars.
*Blue Origin's New Glenn Completes Second Stage Hot Fire Test
Blue Origin's new heavy-lift rocket, the New Glenn, has successfully completed a hot fire test of its second stage booster. This critical test at Cape Canaveral's Space Launch Complex 36 marks a key step towards the rocket's inaugural test flight, scheduled for next month. The NG-1 mission will carry the prototype Blue Ring spacecraft, designed for refuelling, transporting, and hosting satellites. The 15-second hot fire test demonstrated the integrated operation of the vehicle's BE-3U engines and various subsystems, setting the stage for future missions.
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00:00 - This is spacetime series 27 episode 119 for broadcast on 2 October 2024
00:49 - Scientists have discovered a possible crater stretching more than 600 kilometres across Australia's outback
02:54 - NASA's Mars Perseverance rover has discovered an unusual striped rock
05:46 - The Mars Perseverance rover is exploring ancient Martian rocks
10:59 - Researchers have found nanostructures around deep ocean hydrothermal vents
12:57 - 61% of Americans admit to self censoring, according to study
15:09 - Meta showing off their new Orion augmented reality glasses; Huawei releasing threefold phones
19:16 - Spacetime is available every Monday, Wednesday and Friday through various podcasting services