Weekly Space Hangout - September 12, 2014

TL;DR

Weekly update on space exploration featuring Rosetta, Curiosity, dwarf galaxies, lithium mystery, and Jill Tarter's upcoming lectures.

Transcript

e e e e e e e one second it's coming they've changed everything again everything's all new again no it's not you're there you are there's Nicole all right Dr guchi is back into his house yay Dr guchi has office hour unici oh you have office hours unofficially they have a test Monday so I just told them to come by anytime today that was my mistake b... Read More

Key Insights

• 🙂 Dark Matter interactions with light proposed to solve dwarf galaxy discrepancy.
• 🇲🇭 Curiosity reaching Mount Sharp to study Mars' geological history.
• 🇧🇩 Lithium mystery persists in galaxies, affecting Big Bang model predictions.
• ❓ Jill Tarter honored as Jansky Lecturer for 2014, enhancing astronomy outreach.
• 🧑‍🦼 Curiosity's wheel damage addressed for future Mars missions.
• 🙂 Europa Plate Tectonics discovery sheds light on potential habitability.
• 👾 China developing space station as international collaboration alternative.

Questions & Answers

Q: Why are there fewer dwarf galaxies than expected around the Milky Way?

Dark Matter simulations predicted more dwarf galaxies, hinting at an interaction with light affecting observations.

Q: What challenges do Mars rovers like Curiosity face due to damaged wheels?

Curiosity's wheels are wearing down due to rough Martian terrain, requiring careful navigation to avoid excessive damage but still conducting crucial research.

Q: How does the lithium discrepancy in galaxies challenge our understanding of the universe's evolution?

Observations in globular clusters reveal low lithium levels, raising questions about fusion in stars and possible interactions hiding the element from view.

Q: What significance does Jill Tarter's Jansky Lectureship hold for astronomy outreach?

Dr. Jill Tarter's talks offer valuable insights into radio astronomy and her inspirational career, enhancing public engagement with space science.

Summary & Key Takeaways

• Scientists discuss Rosetta's mission to Comet 67P, Curiosity's arrival at Mount Sharp on Mars, modified Dark Matter explaining dwarf galaxy discrepancy, and the enigma of missing lithium in galaxies.

• Jill Tarter awarded Jansky Lectureship for 2014, with talks across U.S. observatories.

• Curiosity continues to explore Mars with damaged wheels, analyzing rocks for signs of past microbial life.