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Weekly Space Hangout - Why Hello Sag A* - It's Nice to Finally See You, with Dr. Lia Medeiros

The 365 Days of Astronomy

Release Date: 05/27/2022

Travelers in the Night - Eps. 613 & 614: Climate Change and Telescopes & Rare Atira show art Travelers in the Night - Eps. 613 & 614: Climate Change and Telescopes & Rare Atira

The 365 Days of Astronomy

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. Today's 2 topics: - Human caused climate change is having a negative effect on astronomical research. - David Rankin discovered 2020 RX8!   We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.  Just visit: and donate as much as you can! Share the podcast with your friends and send the Patreon link to them too!  Every bit helps! Thank you!...

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Observing With Webb - July Episode show art Observing With Webb - July Episode

The 365 Days of Astronomy

Welcome to Observing With Webb, where a high school astronomy teacher tells you what you’re looking at, why it’s so cool, and what you should check out later this month…at night. 2022 is the summer of morning planets!  Jupiter, Saturn, Mars, and Venus are all quite prominent, with Mercury stopping by in June.  Throughout the summer, get up early to see the weeks where the Moon drives by the planets, and maybe catch a few meteors in August, as some of the planets return to the evening skies.    We've added a new way to donate to 365 Days of Astronomy to support...

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Weekly Space Hangout - Focusing JWST with Lee Feinberg, Optical Telescope Manager show art Weekly Space Hangout - Focusing JWST with Lee Feinberg, Optical Telescope Manager

The 365 Days of Astronomy

Host: Fraser Cain ( )Special Guest: Since JWST launched in December, 2021, we have been holding our collective breath as it made its way to its final home at the L2 Lagrange point. Throughout its approximate month-long journey, JWST systematically worked through a complicated series of deployment and commissioning procedures, including the all-critical focusing and alignment of the telescope's 18 primary mirror segments using 132 different actuator motors. On April 29, 2022, it was announced that focusing and alignment had completed successfully. Tonight, we are joined by Lee Feinberg,...

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Actual Astronomy - What to Observe in July 2022 show art Actual Astronomy - What to Observe in July 2022

The 365 Days of Astronomy

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. - Paper star charts or cell phone software? - Arcturus in the daytime sky! - July 7th, 1st qtr Moon, Rupus Recta, the Lunar Straight Wall visible. - July 13th, Full Moon. - Jul 14th, Saturn 4° from the Moon. - Jul 18th, Neptune is 3° from the Moon. - Jul 19th, Jupiter is 2° from the Moon. - Jul 21st, Mars 3° from the Moon. - Jul 22nd, the Lunar “Curtis X” is visible. - Jul 26th, Venus is 3.5° from the Moon. - Jul 28th, New Moon. - Jul 29th, Delta Aquariad meteor shower! - Comet C/2017 K2 (PanSTARRS)....

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Guide To Space - How Are We Searching For Dark Matter? show art Guide To Space - How Are We Searching For Dark Matter?

The 365 Days of Astronomy

Whenever I mention dark matter in anyway in the Guide to Space, or in a questions show, I get a bunch of responses that have essentially the same point. Astronomers are just speculating, why do they even think dark matter is a thing?   We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.  Just visit: and donate as much as you can! Share the podcast with your friends and send the Patreon link to them too!  Every bit helps! Thank you! ------------------------------------ Do go visit for cool Astronomy Cast and CosmoQuest...

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The Daily Space - A New Method Finds Four Brown Dwarfs show art The Daily Space - A New Method Finds Four Brown Dwarfs

The 365 Days of Astronomy

Using data from the fabulous Gaia mission, researchers have detected four new brown dwarfs as well as several other unusual companions to 25 stars in the Milky Way. Plus, Yellowstone, Earth’s magnetic field, hot Jupiters, and a review of the first episode of The Orville: New Horizons.   We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.  Just visit: and donate as much as you can! Share the podcast with your friends and send the Patreon link to them too!  Every bit helps! Thank you! ------------------------------------...

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Astronomy Cast Ep. 647: Best Sci Fi Beach Reading show art Astronomy Cast Ep. 647: Best Sci Fi Beach Reading

The 365 Days of Astronomy

— Part 1… — Part 2 Summer’s here! And that means finally tackling that huge list of books piled up on your bedside table and filling up your Kindle. What books do we recommend for some fun reads this summer?   - The Kaiju Preservation Society by John Scsalzi - Space Opera by Katherine Valente - The Culture series by Iain M. Banks (The Player of Games) - Six Wakes by Mur Lafferty - Marco and the Red Granny by Mur Lafferty - Reamde and The Fall by Neil Stephenson - Bobiverse series by Dennis E. Taylor - Project Hail Mary by Andy Weir - Childhood’s End by Arthur C. Clark - Lagoon...

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Travelers in the Night Eps. 611 & 612: Aurora Mysteries & Day and Night show art Travelers in the Night Eps. 611 & 612: Aurora Mysteries & Day and Night

The 365 Days of Astronomy

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. Today's 2 topics: - Auroral displays contain a continuous pattern of shifting colors and shapes in the night sky following a geomagnetic storm. - Ongoing  research is revealing how changes in very low levels of light at night have positive and negative influences on chronic conditions like mood disorders, obesity, and cardiovascular problems.   We've added a new way to donate to 365 Days of Astronomy to...

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The Cosmic Savannah - Ep. 33: Mars Rovers & the SANSA show art The Cosmic Savannah - Ep. 33: Mars Rovers & the SANSA

The 365 Days of Astronomy

Hosted by Dr. Jacinta Delhaize & Dr. Daniel Cunnama. February 18, 2021 saw NASA’s latest Mars Rover, Perseverance, land on the red planet. We are joined by Tiaan Strydom, the Business Development Manager at the South African National Space Agency (SANSA) to discuss the landing and SANSA’s role in it, as well as various other contributions SANSA is making to space exploration.   During the landing, the rover will enter the thin Martian atmosphere at over 20,000 km/h. The rover will be slowed firstly by a parachute and then by boosters to slow the rover down to about 3 km/h....

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Weekly Space Hangout - Former NASA Deputy Administrator Lori Garver and Her New Memoir Weekly Space Hangout - Former NASA Deputy Administrator Lori Garver and Her New Memoir "Escaping Gravity"

The 365 Days of Astronomy

Host: Fraser Cain ( )Special Guest: This week we are honored to welcome former NASA Deputy Administrator Lori Garver to the Weekly Space Hangout. Her new memoir, Escaping Gravity (Diversion Books, June 21, 2022), offers a "first-hand account of how a handful of revolutionaries managed to outmaneuver the system of political patronage and bureaucracy that threatened the space agency and the future of human spaceflight. From inside NASA, Garver drove changes to policies and programs that enabled competition that challenged the expensive and ineffective traditional systems at the exact time the...

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More Episodes

https://youtu.be/lGjlmSxX1pY

Host: Fraser Cain ( @fcain )
Special Guest: On May 12th, 2022, the Event Horizon Telescope Collaboration released the first-ever direct image of Sagittarius A*, the black hole at the center of our galaxy. Tonight we are very pleased to welcome Dr. Lia Medeiros, a member of the EHT Collaboration, to the WSH. If you watched the NSF's streaming Q&A session following their press conference, you may recognize Lia as a member of the panel.

 

Dr. Lia Medeiros is currently an NSF Astronomy and Astrophysics Postdoctoral Fellow at the Institute for Advanced Study. In 2013, she completed her undergraduate education at the University of California-Berkeley in Physics and Astrophysics, and went on to earn her Masters and PhD (2019) in Physics from the University of California-Santa Barbara. After completing her classwork, Lia took advantage of the flexibility allowed by an NSF Graduate Research Fellowship and spent three years at the Steward Observatory at The University of Arizona and one year at the Black Hole Initiative at Harvard. Lia's PhD thesis was completed in collaboration with University of Arizona Professors Feryal Özel and Dimitrios Psaltis.

 

Lia was born in Rio de Janeiro, Brazil and spent most of her childhood living in several cities in Brazil and a few years in Cambridge, England. One of the highlights of her career has been having the opportunity to engage with the scientific community in Brazil. She has given multiple talks in Brazil to both academic and public audiences in both English and Portuguese. When not simulating supermassive black holes, Lia loves horseback riding, practicing aerial silks, salsa dancing, and almost any type of art, especially ceramics and drawing.

 

To learn more about Lia, visit her website (https://www.liamedeiros.com/) - you will absolutely be mesmerized by the movie on her landing page!

 

You can stay up to date with Lia and her research by following her on Twitter (https://twitter.com/astronolia) and Facebook (https://www.facebook.com/lia.medeiros....

Regular Guests:

Dr. Nick Castle ( @PlanetaryGeoDoc / https://wanderingsci.com/ ) 

Dave Dickinson ( http://astroguyz.com/ & @Astroguyz )

Pam Hoffman ( http://spacer.pamhoffman.com/ & http://everydayspacer.com/ & @EverydaySpacer )

This week's stories:

- The Tau Hercules meteor storm!

- Planets are in the morning…

- Artemis names to the Moon!

- Space Prize Global!

- 2 Globe at Night projects.

- Conjunctions!

- Jun 21: the Summer Solstice!

- NASA’s objectives for the Moon & Mars exploration.

- Boeing’s CST 100 StarLiner.

 

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. 

Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can!

Share the podcast with your friends and send the Patreon link to them too! 

Every bit helps! Thank you!

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at [email protected].