– Is the Universe an e8 crystal?

Well… probably not, if only because most theoretical models rarely survive the journey to be genuine evidence-based theory without some major modifications along the way.

– Can we directly image exoplanets and check for life signs?

Well, we can directly image them. There’s an easily found list of directly imaged planets on Wikipedia. Of course, any such images are just small smudgy dots. There are limits on just how much you can magnify an image from light years away.

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Hosted by Charles Fulco.

Dan's website: https://eclipse2024.org/

Dan McGlaun takes us on a tour of the capabilities of his eclipse simulator software on his webpage.

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http://www.astronomycast.com/archive/

We’ve celebrated the birth of new stars, but the stellar lifecycle doesn’t end there. Stars like our Sun will spend billions of years fusing together hydrogen and pumping out energy. And when the fuel runs out, their death is as interesting as their birth. This week Fraser and Pamela trace out this stellar evolution, and explain what the future holds for stars, large and small.

[Editor’s Note: I don’t think the 16 kilobit, 3 to 4 MB version of episodes that Fraser referred to in the show is still a feature in our website. You can download a 44.1/16 bit stereo .mp3 file, though, which will be approximately 13 MB in size.]

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The 365 Days of Astronomy Podcast is produced by Astrosphere New Media. http://www.astrosphere.org/

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Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

- Science fiction writers have long imagined human space colonies which use the resources they find. Dana Stabenow's Star Svensdotter Series is an excellent recent example.

- The goal of the NASA Near Earth Object Program is to provide an early warning should an asteroid be found to be on a path bringing it close to planet Earth.

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The 365 Days of Astronomy Podcast is produced by Astrosphere New Media. http://www.astrosphere.org/

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Hosted by Dr. Jacinta Delhaize & Dr. Daniel Cunnama.

In Episode 23 of The Cosmic Savannah podcast, we are joined by the Head of Astronomy at the University of Cape Town, Professor Patrick Woudt. Patrick talks about the exciting ThunderKAT project which has recently observed a black hole ejecting material at close to the speed of light out to some of the largest angular distances (separations) ever seen!

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https://www.youtube.com/watch?v=cfIuOe-5TX4

Until we learned to properly navigate our way across the oceans, early explorers were fearful to lose sight of land in case they’d be lost at sea. They learned to use the water currents, winds, movements of birds and of course, the positions of the Sun, the Moon and the stars to find their way across the seas to distant lands.

As we learned to launch spacecraft into orbit and out into the Solar System, mission planners needed to develop entirely new methods of navigation.

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The 365 Days of Astronomy Podcast is produced by Astrosphere New Media. http://www.astrosphere.org/

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A massive black hole should be in galaxy cluster Abell 2261. Observations with Chandra and Hubble haven’t located it. Plus, classifying supernovae with AI, neutron stars, the lithium composition problem, and more planetary science.

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The 365 Days of Astronomy Podcast is produced by Astrosphere New Media. http://www.astrosphere.org/

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Paul Hill, Ralph Wilkins and Jenifer Millard host. Damien Phillips and John Wildridge produce.

A jolly romp around covid and tasers!

We look back at the astronomy and space exploration highlights of 2020:

• Phosphine in Venus' atmosphere.
• The saga of SpaceX.
• Chang’e-5 at the Moon.
• Comets Atlas & Neowise.
• 3 missions to Mars.

The lows of 2020 in astronomy and space exploration:

• Cancellation of SPICA.
• The loss of the Arecibo radio telescope.

We look forward to the anticipated events of 2021:

• Luna 25, Chandrayaan-3 & Artemis 1 to the Moon.
• 3 Mars arrivals.
• Vera C Rubin telescope & Maybe JWST.

And we run through our own predictions for next year before signing off with our customary end-of-year outtakes.

www.awesomeastronomy.com

Bio: Awesome Astronomy is a podcast beamed direct from an underground bunker on Mars to promote science, space and astronomy (and enslave Earth if all goes well).

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The 365 Days of Astronomy Podcast is produced by Astrosphere New Media. http://www.astrosphere.org/

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We'e not sure about this one…

Being a principle, there are a number of different ways in which Heisenberg’s uncertainty principle can come into play. The best known example is that the more you try to hone in on a particle’s position x, the less you are able to determine its momentum p. And if you instead devote your efforts towards determining its momentum, you will find your ability to determine its position beginning to slip away. Essentially, you can never know either of these aspects of the particle’s behavior exactly and the more precisely you know one, the less precisely you can know the other.

Also: The Wave Function.

Since this is Fantastic Physics Formulas, we’ll first tell you what the formula is and then we’ll spend the rest of the episode trying to explain what the heck it means. So, firstly the formula says that the second derivative of u with respect to time is equal to c squared times the Laplacian of the wave at u.

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The 365 Days of Astronomy Podcast is produced by Astrosphere New Media. http://www.astrosphere.org/

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https://youtu.be/2klFkWV-ZFc

We've talked about the Moon and its water many times here on Astronomy Cast, but there've been a bunch of big updates thanks to new research from NASA and others. Today we're gonna give you an update on the state of water on the Moon and the plans to take advantage of it.

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The 365 Days of Astronomy Podcast is produced by Astrosphere New Media. http://www.astrosphere.org/

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