Astronomy Cast-logo

Astronomy Cast

7.5K Favorites

Astronomy Cast takes a fact based journey through the cosmos as it offers listeners weekly discussions on astronomical topics ranging from planets to cosmology.

Astronomy Cast takes a fact based journey through the cosmos as it offers listeners weekly discussions on astronomical topics ranging from planets to cosmology.
More Information

Location:

United States

Description:

Astronomy Cast takes a fact based journey through the cosmos as it offers listeners weekly discussions on astronomical topics ranging from planets to cosmology.

Language:

English


Episodes

Ep. 461: Measuring the Weather with Satellites

10/16/2017
More
What’s the weather doing? Is it going to rain today? How much? What about temperatures? We depend on modern weather forecasting, thanks, in part to the vast network of weather satellites. What instruments do they have, what orbits do they use.

Duration: 00:29:42


Ep. 460: Earth from Afar: Remote Sensing

10/9/2017
More
The space age has given us the ability to look at every corner of the globe in every wavelength. It’s revolutionized our ability to predict the weather, keep track of environmental damage, and watch the world change. Today we look at what missions and technologies give us the ability to watch our world from afar.

Duration: 00:30:48


Ep. 459: Arecibo Observatory

10/2/2017
More
And now Cassini’s gone. Smashed up in the atmosphere of Saturn. But planetary scientists are going to be picking through all those pictures and data for decades. Let’s look back at some of the science gathered up by Cassini so far, and we can still learn from this epic journey.

Duration: 00:29:41


Ep. 458: The Science of Cassini

9/25/2017
More
And now Cassini’s gone. Smashed up in the atmosphere of Saturn. But planetary scientists are going to be picking through all those pictures and data for decades. Let’s look back at some of the science gathered up by Cassini so far, and we can still learn from this epic journey.

Duration: 00:33:20


Ep. 457: Why Did Cassini Have To Die? In Memoriam

9/18/2017
More
It's time to say goodbye to an old friend, NASA's Cassini spacecraft, which has been orbiting within the Saturnian system since 2004. But why does a seemingly healthy spacecraft and mission need to come to an end? Today we look back at the mission, some of the amazing discoveries, and why its finale was necessary.

Duration: 00:29:22


Ep. 456: Pluto Revisited

9/11/2017
More
This week, we return to our starting point, where Astronomy Cast began: Pluto. 11 years on, we have a whole new appreciate for the dwarf planet Pluto. We’ve visited it, probed it and taken pictures. It’s time for an update.

Duration: 00:33:53


Ep. 455: Your Practical Guide to Colonizing the Milky Way!

8/28/2017
More
This episode was recorded live in St. Louis, MO at the Astronomy Cast Solar Eclipse Escape 2017. Listen as we discuss how humans might be able to colonize the Milky Way!

Duration: 00:32:14


Astronomy Cast Extra: Solar Eclipse 101

8/21/2017
More
This episode was recorded live in St. Louis, MO at the Astronomy Cast Solar Eclipse Escape 2017. We're going to give you a set of last minute tips and info to prepare for the Great American Eclipse!

Duration: 00:31:24


Ep. 454: Things We're Looking Forward To

6/19/2017
More
As we wrap up season 10 of Astronomy Cast, we look forward to all the instruments, missions and science results on the distant horizon. Think astronomy is exciting already? Just you wait.

Duration: 00:34:50


Ep. 452: Summer Observing Challenges

6/5/2017
More
Summer is almost here, and for the northern hemisphere, that means warm nights for observing. But what to observe? We're here with a list of events and targets for you to enjoy over the summer. Get your calendars handy, and start organizing some events with your friends, and then get out there!

Duration: 00:29:40


Ep. 451: When Can I Buy My Ticket To Space?

5/29/2017
More
Like most of us, you probably want to know what it would be like to travel to space. Maybe not to live, but just to visit. You want to be a space tourist. Good news, there are a bunch of companies working hard to give you the opportunity to fly to space. How long until you can buy a ticket?

Duration: 00:26:46


Ep. 450: Inflatable Habitats

5/21/2017
More
In order to live in space, we'll need to live in a habitat that simulates the temperature, pressure and atmosphere of Earth. And one of the most interesting ideas for how to do this will be with inflatable habitats. In fact, there are a few habitats in the works right now, including one attached to the International Space Station.

Duration: 00:27:46


Ep. 449: Robots in Space!

5/8/2017
More
When you think of a robot, you’re probably imagining some kind of human-shaped machine. And until now, the robotic spacecraft we’ve sent out into space to help us explore the Solar System look nothing like that. But that vision of robots is coming back, thanks to a few new robots in development by NASA and other groups.

Duration: 00:26:42


Ep. 448: Prepping for the Eclipse

5/1/2017
More
On Monday, August 21, 2017, there’s going to be a total eclipse of the Sun, visible to path that goes right through the middle of the United States. You should be making plans to see this, and we’re here to help you know where to go and what to do.

Duration: 00:29:23


Ep. 447: Animals in Space Pt. 3: Dogs, Monkeys and More

4/24/2017
More
For the final episode in our 3-part episode about animals in space, we look at the largest animals to go to orbit. And I’ll just warn you now, this is going to be a really sad episode.

Duration: 00:28:41


Ep. 446: Animals in Space Pt. 2: Mice and Other Small Animals

4/17/2017
More
Last week we talked about how the smallest creatures behave in space, but now we move up in size a little to small animals, like mice. What missions have they flown on, and how does microgravity affect their biology?

Duration: 00:30:57


Ep. 445: Animals in Space Pt. 1: Insects and Arachnids

4/10/2017
More
We've talked about animals traveling to space in the past, but it's time to take another look, with many other creatures making the trip to the void. Today we're going to talk about the spineless insects and arthropods, and those tough as nails waterbears – tardigrades.

Duration: 00:28:18


Ep. 444: Fractals

4/3/2017
More
For this historic 444th episode of Astronomy Cast, we talk about fractals. Those amazing mathematical visualizations of recursive algorithms. What are they, how do you get them? Why are they important?

Duration: 00:27:48


Ep. 443: Destroy and Rebuild Pt. 7: Tsunamis

3/13/2017
More
Surf’s up! Today we’re going to be talking about one of the most devastating natural disasters out there: tsunamis. We’re talking huge waves that wreck the seashore. But it turns out, there many ways you can get a tsunami, and one of those has to do with space.

Duration: 00:30:28


Ep. 442: Destroy and Rebuild Pt. 6: Magnetic Pole Reversal

3/6/2017
More
If we look back into the geologic record of the Earth, it appears that our planet’s magnetic field flips polarity every few hundred thousand years or so. Why does this happen? When’s it supposed to happen next? Is it dangerous?

Duration: 00:29:12

See More