Universe Today Audio

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Universe Today is a website about space and astronomy read by more than 5 million people every month. Universe Today has a dedicated team of astrojournalists and space reporters bringing you the latest news in space and astronomy. We also make videos, record podcasts, and write software! Check us out at UniverseToday.com!

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Website
http://www.universetoday.com
Description
All Universe Today Audio Content
Language
🇬🇧 English
last modified
2018-01-27 05:00
last episode published
2018-01-23 23:11
publication frequency
2.92 days
Contributors
Fraser Cain owner   author  
Explicit
false
Number of Episodes
504
Rss-Feeds
Detail page
Categories
Science & Medicine Natural Sciences

Recommendations


Episodes

Date Thumb Title & Description Contributors
23.01.2018

QA 42: Where Can You Escape Time Dilation? And More...

In this week's questions show, Fraser wonders where you'd have to go in the Universe to minimize your time dilation, how to see Iridium Flares, how interferometry works, and more.
21.01.2018

338 - Which Are The Real Photos of Spacecraft?

When we see images of space, it’s hard to know which are real images and which are artist illustrations.
11.01.2018

QA 41: Will We Ever Clear That Space Junk? and more...

In this week's questions show, Fraser wonders how we're ever going to clear all that space junk orbiting Earth, whether it's better to colonize Mars or Mercury, and can water worlds explain the Fermi Paradox?
4.01.2018

337 - Life Beneath the Ice

Forget rocky worlds like Earth and Mars. New discoveries about icy worlds like Europa and Enceladus make them the ideal candidates for the search for life in the Universe. In fact there could be hundreds, or even thousands of times more worlds out ther...
2.01.2018

336 - What Do We Do With Dead Spacecraft

We try to avoid thinking about it, but spacecraft are machines that break down and eventually fail. Some can last for years, others decades, but in the end they’ll be gone forever.
19.12.2017

QA 40: When Will the Big Rip Happen and more...

In this QA episode, Fraser wonders when the Big Rip might happen, could there be binary galaxies, what it would be like to live in higher gravity.
15.12.2017

335 - Why Did Mars Lose Its Atmosphere?

Mars is in the spotlight now, as both SpaceX and NASA are preparing their long range plans to send humans to the Red Planet. But Mars is an inhospitable environment, especially because of its tenuous and poisonous atmosphere of carbon dioxide.
12.12.2017

334 - Interstellar Asteroid

On October 25, 2017, astronomers from NASA’s Minor Planet Center sent out an announcement that they needed help confirming the trajectory of an interesting object.
10.12.2017

QA 39: Galactic Escape Velocity and More... Featuring Astronaut Terry Virts

In this week’s question show, Fraser explains why almost everything in the Solar System is spinning in the same direction, is there a limit to how massive black holes can get, and do galaxies have an escape velocity?
7.12.2017

332 - Can We Protect Astronauts

Space is our future, but space is also a deadly place, with poisonous radiation and an increased risk of cancer. We’re protected here on Earth thanks to our planet’s magnetosphere, but is there a way to create an artificial magnetosphere and shield ast...
7.12.2017

333 - How Do Planets Shift Orbits

We once thought our Solar System was normal, average. How wrong we were, how varied the planetary systems are out there. It turns out, the migration of planets played a huge role in the Solar System we see today.
1.12.2017

QA 38: Measuring a Black Hole’s Spin and more. Featuring Andy Weir Author of the Martian

In this week’s question show, Fraser explains how astronomers measure the spin rate of black holes, other uses of gravitational slingshots, and why everyone is talking about Patreon.
14.11.2017

QA 37: Why Am I Such a SpaceX Hater (or Fanboy)? And More...

In this week’s question show, Fraser explains his thoughts on SpaceX, what he does for his regular job, and wonders if you could use a black hole to perform gravitational slingshots, whether planets could hide in Lagrange points, and growing trees on M...
13.11.2017

331 - What Is Eternal Inflation

In order to get the large scale structure of the Universe we see today, cosmologists have proposed the idea of inflation, that the Universe expanded an enormous amount in the earliest moments. But if inflation really happened, then it has even stranger...
8.11.2017

330 - Going Back To The Moon

On October 5th, 2017, US Vice President Mike Pence announced that NASA is going back to the Moon. He didn’t provide any other details, just some kind of moonward directed space exploration. And it turns out they won’t be the only ones. The Moon is goin...
30.10.2017

QA 36: Growing Plants in Lunar Regolith? And More

In this week’s question show, Fraser wonders if we’ll be able to grow crops in lunar soil, if the Moon has been changing over time, and what title does Elon Musk get when he colonizes Mars.
24.10.2017

What is an Electric Sail? Another Exotic Way to Explore the Solar System

Space scientists are considering how they can catch the charged particles streaming from the Sun with electric sails as a way to propel spacecraft through the Solar System. The post What is an Electric Sail? Another Exotic Way to Explore the Solar Syst...
Fraser Cain author
24.10.2017

329 - What Is An Electric Sail

We’re all familiar with the idea of solar sails to explore the Solar System, using the light pressure from the Sun. But there’s another propulsion system that could harness the power of the Sun, electric sails, and it’s a pretty exciting idea.
20.10.2017

328 - Kilonova

Astronomers have made the groundbreaking detection of two neutron stars colliding in a galaxy 130 million light years away. They detected the gravitational waves AND the blast of radiation released from the collision, observing a kilonova for the first...
19.10.2017

Where Do Comets Come From? Exploring the Oort Cloud

Some comets orbit the Sun on a regular basis, but others come in from deep space, a region known as the Oort Cloud. What causes them to make this journey, and will we ever be able to explore the Oort Cloud? The post Where Do Comets Come From? Exploring...
Fraser Cain author
19.10.2017

327 - Where Do Comets Come From

Some comets orbit the Sun on a regular basis, but others come in from deep space, a region known as the Oort Cloud. What causes them to make this journey, and will we ever be able to explore the Oort Cloud?
17.10.2017

QA 35: Best Place for a Telescope? And More

In this week’s question show, Fraser wonders where would be the best place to put a really powerful telescope, why a kilonova is important, and what happens when brown dwarfs die.
16.10.2017

First Cosmic Event Observed in Both Gravitational Waves and Light

About 130 million years ago, in a galaxy far away, two neutron stars collided. The cataclysmic crash produced gravitational waves, ripples in the fabric of space and time. This event is now the 5th observation of gravitational waves by the Laser Interf...
Fraser Cain author
11.10.2017

QA 34: Will Ice Protect Us From Radiation? And More

In this week’s question show, Fraser wonders if the Earth will get new moons, if dark energy is getting more diluted over time, and if the ice on Jupiter’s moons will protect us from its deadly radiation.
11.10.2017

326 - SpaceX Goes All in On The Big Freaking Rocket

Elon Musk gave us an update on SpaceX’s plans to send humans to Mars, going all in on their new launch vehicle: the BFR.
6.10.2017

VP Mike Pence Lays Out Administration’s Plan to go Back to the Moon

At the inaugural meeting of the newly-reestablished National Space Council, VP Mike Pence laid out the administration's plan for renewed missions to the Moon. The post VP Mike Pence Lays Out Administration’s Plan to go Back to the Moon appeared first o...
Fraser Cain author
29.09.2017

Elon Musk Reveals Further Plans to Colonize Mars and Make Aerospace Transit a Reality

At the International Astronautical Congress this week, Elon Musk revealed his plans to conduct missions to Mars and provide aerospace trips between major cities on Earth The post Elon Musk Reveals Further Plans to Colonize Mars and Make Aerospace Trans...
Fraser Cain author
24.09.2017

Where Do We Go Next? Building the Deep Space Gateway

NASA is working on developing a space station in a cis-lunar orbit that will serve as the jumping off point to exploring the Solar System; it’s known as the Deep Space Gateway. The post Where Do We Go Next? Building the Deep Space Gateway appeared firs...
Fraser Cain author
24.09.2017

325 - Deep Space Gateway

NASA is working on developing a space station in a cis-lunar orbit that will serve as the jumping off point to exploring the Solar System; it’s known as the Deep Space Gateway.
19.09.2017

QA 33: Should We Sweep the Moon? And More, Featuring Scott Manley

In this week’s question show, Fraser searches for the most energetic collisions in the Universe, whether we should vacuum up dust on the Moon, and are there supernovae that don’t create black holes.
10.09.2017

324 - What Are Globular Clusters?

One of the most beautiful and scientifically interesting objects in space are the globular clusters, containing hundreds of thousands of stars. What are they and where did they come from?
8.09.2017

QA 32: Why Can’t James Webb Be Repaired? And More

In this week’s question show, Fraser explains why James Webb can’t be repaired if anything goes wrong, why we even need space telescopes in the first place, and his favorite methods of zipping around the Solar System.
7.09.2017

323 - Intermediate Mass Black Hole Discovered

Astronomers have been searching for mid-weight black holes, and now they’ve found one, right here in the Milky Way.
6.09.2017

Supermassive Black Holes or Their Galaxies? Which Came First?

It’s a mystery that’s puzzled astronomers for years. Which came first, supermassive black holes or the galaxies that surround them? The post Supermassive Black Holes or Their Galaxies? Which Came First? appeared first on Universe Today.
Fraser Cain author
5.09.2017

317 - What Missions Have Been Cancelled

Over the past decades, many missions have been canceled. What alternative history could we have had if these projects had gone through?
5.09.2017

318 - Where Are The Voyagers Now

We’re nearly at the 40th anniversary of the launch of NASA’s Voyager spacecraft. And they’re still going! Let’s remember these amazing missions.
5.09.2017

319 - What Are The Van Allen Belts

The Van Allen Belts surround the Earth with deadly radiation. What can we do to get past them and escape into deep space?
5.09.2017

321 - Rise Of The Supertelescopes Part 2

In part 2 of this series, we look at the supertelescopes heading to space in the next few decades.
5.09.2017

320 - Rise Of The Supertelescopes Part 1

Astronomy is about to get much much more exciting, with a whole new class of enormous telescopes developed on Earth and in space. How much more powerful? What will we be able to see?
5.09.2017

322 - Supermassive Black Holes Or Galaxies

It’s a mystery that’s puzzled astronomers for years. Which came first, supermassive black holes or the galaxies that surround them?
4.09.2017

QA 31: Is Contacting Aliens Our Worst Mistake? And More

In this week’s question show, Fraser wonders if science is the best tool we’ve got, if communicating with aliens is a wise idea, and how he feels about people falling asleep to his videos.
28.08.2017

QA 30: Is the Earth Increasing or Decreasing in Mass? And More

In this week’s question show, Fraser answers questions about dark matter black holes, the magnetospheres of exoplanets and whether the Earth is increasing or decreasing in mass.
4.08.2017

QA 29: Are Generational Ships Possible? And more...

In this week’s QA, Fraser worries about artificial super intelligence, getting flung out of the Milky Way.
30.07.2017

313 - What Happens During a Solar Eclipse

North America is preparing itself for the August Eclipse, so we thought it would be a good time to explain how eclipses work and what’s going on as the Moon briefly destroys the Sun.
29.07.2017

Where Will the Space Launch System Take Us? Preparing For The Most Powerful Rocket Ever Built

NASA is working on the most powerful rocket ever built: the Space Launch System. What could it be used for to explore the Solar System? The post Where Will the Space Launch System Take Us? Preparing For The Most Powerful Rocket Ever Built appeared fir...
Fraser Cain author
29.07.2017

315 - How Do We Protect Earth From Asteroids Part 2

Once we know where all the dangerous asteroids are, how do we prevent one from hitting Earth?
29.07.2017

314 - How Do We Protect Earth From Asteroids Part 1

We know we live in a cosmic shooting gallery. Who’s got their eyes on the sky, and how will we prevent an asteroid strike if we find a dangerous space rock?
29.07.2017

316 - Where Will The Space Launch System Take Us

NASA is working on the most powerful rocket ever built: the Space Launch System. What could it be used for to explore the Solar System?
24.07.2017

QA 28: Dealing with Conspiracy Theories and More...

In this week’s questions show, Fraser explains how the Apollo astronauts got past the Van Allen Belt, bulking up brown dwarfs, and how to deal with conspiracy theories.
16.07.2017

QA 27: Asteroid as a Space Ship and more...

In this week’s QA, Fraser talks using an asteroid for a space ship, colonizing the whole galaxy, and whether you’ve got dark matter all around you.