Earth May Have Been Wet Since it Formed
*Meteorite study suggests Earth may have been wet since it formed
A new study of meteorites suggests Earth may always have been wet.\xa0The findings reported in the journal Science add a new chapter in to ongoing debate about the origins of Earth\u2019s water.
*NASA\u2019s planet-hunting TESS spacecraft completes its primary mission
NASA\u2019s Transiting Exoplanet Survey Satellite \u2013 TESS \u2013 has finished its primary mission, imaging about 75% of the starry sky as part of a two-year-long survey.
*China launches its 189th spy satellite
China has successfully launched a new spy satellite as part of its ongoing program to provide Beijing with continuous uninterrupted satellite coverage of key strategic areas of the globe such as the South China Sea, the Taiwan straight, the border with India, Tibet, the citizens of Hong Kong and its Belt and Road initiative interests.
*The Science Report
New questions about just how effective remdesivir really is for treating COVID-19.
Mining threats to biodiversity caused by renewable energy to surpass climate change mitigation.
Why pregnant women shouldn\u2019t have coffee.
Artificial intelligence now out flying fighter pilots in dogfights.
Skeptics guide to chiropractors
Sponsor:
This episode of SpaceTime is brought to you with the support of The Great Courses Plus - Lifelong learning from the best in their field. For our special free trial offer just visit www.thegreatcoursesplus.com/space and help support the show.
For more SpaceTime visit\xa0https://spacetimewithstuartgary.com (mobile friendly).\xa0
For enhanced Show Notes including photos to accompany this episode, visit: http://www.bitesz.com/spacetimeshownotes
Get immediate access to over 200 commercial-free, double and triple episode editions of SpaceTime plus extended interview bonus content. Subscribe via Patreon or Supercast....and share in the rewards. Details at www.patreon.com/spacetimewithstuartgary or Supercast - https://bitesznetwork.supercast.tech/
RSS feed: https://rss.acast.com/spacetime\xa0
Email: SpaceTime@bitesz.com
To receive the Astronomy Daily Newsletter free, direct to your inbox...just join our mailing list at www.bitesz.com/mailinglist or visit https://www.bitesz.com/astronomy-daily
\xa0See acast.com/privacy for privacy and opt-out information.
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.