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Astronomy Cast

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Astronomy Cast

Fraser Cain and Dr. Pamela Gay

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Take a fact-based journey through the cosmos. Tune in to hear weekly discussions on astronomical topics ranging from planets to cosmology. Hosted by Fraser Cain (Universe Today) and Dr. Pamela L. Gay (Planetary Science Institute), this show brings the questions of an avid astronomy lover direct to an astronomer. Together Fraser and Pamela explore what is known and being discovered about the universe around us. Astronomy Cast is supported thru patreon.com/AstronomyCast.
 
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It’s been about 65 years since the Soviets launched the first orbital satellite into low Earth orbit: Sputnik 1. Now there are thousands of satellites in orbit, with tens of thousands on the way. Let’s look at the impact that Sputnik had on the history of spaceflight. Download MP3 | Show Notes | Transcript Show Notes Space Launch System (NASA) Sput…
 
Astronomy Cast Ep. 655: 65 Years of Space: Sputnik 1 Anniversary by Fraser Cain & Dr. Pamela Gay Streamed live on Sep 26, 2022. It’s been about 65 years since the Soviets launched the first orbital satellite into low Earth orbit: Sputnik 1. Now there are thousands of satellites in orbit, with tens of thousands on the way. Let’s look at the impact t…
 
Streamed live on Sep 26, 2022. It’s been about 65 years since the Soviets launched the first orbital satellite into low Earth orbit: Sputnik 1. Now there are thousands of satellites in orbit, with tens of thousands on the way. Let’s look at the impact that Sputnik had on the history of spaceflight.
 
To battle climate change, we’ll need to rapidly move to carbon-free sources of energy. But this technology isn’t a free lunch. They require metals, generate waste and deplete the environment. What’s the best way to balance this shift? Download MP3 | Show Notes | Transcript Show Notes Renewable Energy (DOE) Fossil Fuels (DOE) Hydroelectric Power: Ho…
 
Astronomy Cast Ep. 654: The Side Effects Of Clean Energy by Fraser Cain & Dr. Pamela Gay To battle climate change, we’ll need to rapidly move to carbon-free sources of energy. But this technology isn’t a free lunch. They require metals, generate waste and deplete the environment. What’s the best way to balance this shift?…
 
Climate change is on our minds these days, with increasing wildfires, droughts and floods. What are the variables that play into a planet’s changing climate, and what can this teach us about the search for habitable planets across the Milky Way? Download MP3 | Show Notes | Transcript Show Notes Tobacco manufacturers’ defence against plaintiffs’ cla…
 
Astronomy Cast Ep. 653: Climate Change: Looking at the Variables by Fraser Cain & Dr. Pamela Gay Climate change is on our mind these days with increasing wildfires, droughts and floods. What are the variables that play into a planet’s changing climate and what can this teach us about the search for habitable planets in the solar system and across t…
 
Last week we talked about how single-use rocketry has changed over time, and the role it still plays in launching payloads into orbit and beyond. Today, we’ll address the stainless steel elephant in the room and talk about the shift to reusability. Download MP3 | Show Notes | Transcript Show Notes VIDEO: Astronomy Cast Episode 651: Artemis & The De…
 
Astronomy Cast Ep. 652: The Rocket Race Towards Reusability by Fraser Cain & Dr. Pamela Gay Last week we talked about how single-use rocketry has changed over time, and the role it still plays in launching payloads into orbit and beyond. Today we’ll address the stainless steel elephant in the room and talk about the shift to reusability.…
 
On the day that we’re recording this, NASA’s Space Launch System is about to blast off. But everyone is expecting it’ll be delayed to October. When it does launch, it’ll be the most powerful rocket on Earth. Well, until Starship blasts off. Are we about to see the end of single-use rockets and enter the era of reusable rocketry? Download MP3 | Show…
 
Astronomy Cast Ep. 651: Artemis & The Decline of Single Use Rockets by Fraser Cain & Dr. Pamela Gay Season 16 opener. On the day that we’re recording this, NASA’s Space Launch System is about to blast off. But everyone is expecting it’ll be delayed to October. When it does launch, it’ll be the most powerful rocket on Earth. Well, until Starship bla…
 
Season 16 opener. On the day that we’re recording this, NASA’s Space Launch System is about to blast off. But everyone is expecting it’ll be delayed to October. When it does launch, it’ll be the most powerful rocket on Earth. Well, until Starship blasts off. So are we about to see the end of single-use rockets and enter the era of reusable rocketry…
 
Well, this is it, we’re finally going to talk about the James Webb Space Telescope. After decades of development, delays and budget creep, the powerful infrared observatory is at its final home at the L2 Lagrange Point. Yesterday we saw the first scientific images from the telescope, and according to Pamela’s rules, we’re finally allowed to talk ab…
 
Have you ever noticed that significant space and astronomy events seem to happen during holidays? It’s not a coincidence, there’s actually a reason why. Today we’ll talk about some of the key events that happened during holidays. Download MP3 | Show Notes | Transcript Show Notes Webb Space Telescope (NASA) The Launch – Webb/NASA (NASA) Apollo 8: Ch…
 
Summer is officially, astronomically here. And for folks in the Northern Hemisphere, that means it’s the perfect time to head outside and see what’s happening in the sky. Today we’ll give you a good list of things to keep an eye out for, with or without a telescope. Download MP3 | Show Notes | Transcript Show Notes Meteorological Versus Astronomica…
 
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