In this episode of SpaceTime , we delve into the cosmos to uncover extraordinary cosmic phenomena, groundbreaking Mars exploration, and innovative asteroid detection technology.

The Most Powerful Cosmic Explosions Since the Big Bang

Astronomers have identified a new class of cosmic events known as extreme nuclear transients (ENTs), which are the most powerful explosions observed since the Big Bang. These events occur when supermassive black holes tear apart stars over three times the mass of our sun, releasing energy that surpasses even the brightest supernovae. We explore the implications of these findings, including how these luminous phenomena can provide insights into black hole growth and the early universe.

NASA's Perseverance Rover Takes a Bite of Ancient Martian Rock

NASA's Perseverance Rover has sampled a potentially ancient rock on Mars known as Crocodilen, located on the Jezero Crater Rim. This area offers vital clues about the planet's watery past and the potential for past life. We discuss the rover's mission, its new sampling strategy, and the significance of the clay minerals found in the region, which could preserve organic compounds.

First Light for Europe's New Killer Asteroid Hunter

The European Space Agency's FlyEye telescope has achieved its first light, marking a new era in the search for near-Earth asteroids that could threaten our planet. Designed to capture a vast region of the sky simultaneously, FlyEye will operate autonomously to detect and track these celestial hazards. We delve into how this innovative technology will enhance our planetary defense efforts and the role it will play in monitoring potential threats.

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✍️ Episode References

Science Advances

https://www.science.org/journal/sciadv (https://www.science.org/journal/sciadv)

Nature

https://www.nature.com/nature/ (https://www.nature.com/nature/)

Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support (https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support?utm_source=rss&utm_medium=rss&utm_campaign=rss) .

00:00 This is Space Time Series 28, Episode 70 for broadcast on 11 June 2025

01:00 The most powerful cosmic explosions since the Big Bang

12:15 NASA's Perseverance Rover takes a bite of ancient Martian rock

22:30 First light for Europe's new killer asteroid hunter

30:00 Science report: Global drought severity increases since 1981

Episode link: https://play.headliner.app/episode/27575066?utm_source=youtube