In this episode of SpaceTime , we unlock the secrets of the Moon's far side, explore the Sun's helicity barrier, and discuss the European Space Agency's advancements in orbital launch vehicles.

Extended Volcanism on the Moon's Far Side

Recent findings reveal that the Moon's far side has experienced extended volcanism for at least 1.4 billion years, with two significant volcanic phases occurring around 4.2 and 2.8 billion years ago. This research, stemming from samples collected by China's Chang' E6 mission, provides insights into the Moon's geological history and the asymmetry between its near and far sides. The study highlights the role of colossal impacts in shaping the Moon's interior and suggests uneven distribution of volatile elements.

Discovery of the Sun's Helicity Barrier

A groundbreaking study has identified a region of the Sun known as the helicity barrier, which plays a crucial role in heating and accelerating the solar wind. Observations from NASA's Parker Solar Probe have confirmed the existence of this barrier, providing insights into the mechanisms of turbulent dissipation and coronal heating. This discovery helps explain temperature anomalies in the solar atmosphere and enhances our understanding of space weather events that impact Earth.

European Space Agency's Launch Vehicle Developments

The European Space Agency has narrowed its list of potential candidates for future orbital launch vehicles. The selected companies will receive funding to develop their systems, aiming to increase competition and choice in European launch services. This initiative mirrors efforts by NASA in the U.S. to foster a diverse range of commercial launch providers, enhancing capabilities for future space missions.

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✍️ Episode References

Nature Journal

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

Physical Review

https://journals.aps.org/pr/ (https://journals.aps.org/pr/)

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