Ep 489: Black Hole Update

Another update episode, this time we look at what’s new and changed in the research of black holes. And it’s here that we find a lot of substantial new discoveries in the field, so much has been discovered since we first covered black holes a decade ago. We usually record Astronomy Cast every Friday at […]

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Ep 488: Dark Energy: 2018 Edition

The updates continue. Last week we talked about dark matter, and this week we continue with its partner dark energy. Of course, they’re not really partners, unless you consider mysteriousness to be an attribute. Dark energy, that force that’s accelerating the expansion of the Universe. What have we learned? This show was recorded Monday, 4/23/2018. […]

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Ep 487: Dark Matter: 2018 Edition

Last week, we gave you an update in particle physics. This week it’s time to see what’s new in the world of dark matter. Spoiler alert, we still have no idea what it is, but maybe a few more ideas for what it isn’t. We usually record Astronomy Cast every Friday at 3:00 pm EDT […]

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Ep 486: Particle Physics Update

It’s time for a news update. This time from the field of particle physics. It turns out there have been all kinds of new and interesting particles discovered by the Large Hadron Collider and others. Let’s get an update from Pamela. We usually record Astronomy Cast every Friday at 3:00 pm EDT / 12:00 pm […]

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Ep 485: Docking, Refueling, and Transferring

This episode was recorded on Wednesday, March 21 at 6:30 pm EDT / 3:3 pm PDT / 22:30 UTC. It’s one thing to get to space. But once you’ve made it there, what do you want to do? You’ll probably want to dock with another space ship, deliver cargo, refuel. Today we’ll talk about how […]

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Ep 484: Transfer Orbits and Gravitational Assists

This episode was recorded on Tuesday, March 20 at 8 pm EDT / 5 pm PDT / 0:00 UTC Wednesday. If you want to get around in the Solar System, you’ll want to take advantage of natural gravitational speed boosts and transfer orbits. Whether you’re heading to the outer Solar System or you want to […]

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Astronomy Cast now available via Amazon’s Alexa!

You can now enable the Amazon Astronomy Cast skill on your Alexa enabled device (in the US now, Canada soon)! You just log into your Alexa dashboard, go to the Skills, and look for “Astronomy Cast.” Or, even easier than that, just say “Alexa, enable Astronomy Cast!” You can tell Alexa to skip episodes, back […]

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Ep 483: Stopping in Space

This episode was recorded on 3/8/2018 at 4:00 pm EST/ 1:00 PST/ 21:00 UTC! It’s one thing to get from Earth to space, but sometimes you want to do the opposite. You want to get into orbit or touch down gently on the surface of a planet and explore it. How do spacecraft stop? And […]

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Ep 482: Alternative Ways to Space

Getting to space is all about rockets, but people are trying to figure out other methods that could carry payloads to orbit and beyond. Railguns, airplanes, tethers and more. Today we’ll talk about alternative methods of spaceflight. We usually record Astronomy Cast every Friday at 3:00 pm EST / 12:00 pm PST / 20:00 UTC. […]

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Ep 481: Rockets pt. 3 – Going Faster, Higher, Farther after Fairing Separation

We’ve seen rockets blast off from here on Earth. But that’s only half the story. Rockets have additional stages to push them into trajectories, like transfer orbits and various orbital maneuvers. Let’s talk about what happens after the rocket is long gone, beyond our sight. We usually record Astronomy Cast every Friday at 3:00 pm […]

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