
Daniel and Kelly’s Extraordinary Universe
804 episodes — Page 6 of 17

Can planets share an orbit?
Daniel and Jorge talk about whether two planets could share an orbit around a star, or whether there would be too much gravitational squabbling.See omnystudio.com/listener for privacy information.

What shapes can galaxies take?
Daniel and Jorge talk about the weird, wacky shapes of galaxies and the cosmic story they tell.See omnystudio.com/listener for privacy information.

What’s the difference between inertial and gravitational mass?
Daniel and Jorge talk about whether there are two or one kind of mass and the massive consequences.See omnystudio.com/listener for privacy information.

Has our solar system lost any planets?
Daniel and Jorge talk about how instabilities in the early solar system may have ejected an ancient ice giant.See omnystudio.com/listener for privacy information.

Are there galaxies without dark matter?
Daniel and Jorge discuss how dark matter shapes our Universe and whether it would be possible to have a galaxy without it.See omnystudio.com/listener for privacy information.

Does quantum mechanics conserve energy?
Daniel and Jorge explore whether basic rules of our Universe are broken at the quantum scale.See omnystudio.com/listener for privacy information.

Listener Questions 45: Gravity and Black holes
Daniel and Jorge venture to the edge of human knowledge about black holes, gravity and magnetic fields.See omnystudio.com/listener for privacy information.

The Science Fiction Universe of "Invasion"
Daniel and Jorge talk about alien arrival, as depicted on the show "Invasion" and Daniel talks to two of the writers, Tatiana Suarez Pico and Aditi Brennan Kapil about writing science fiction.See omnystudio.com/listener for privacy information.

Who was the first scientist?
Daniel talkes to Prof. James Poskett about how the history of science has much more nuance and global participation than the standard mythology.See omnystudio.com/listener for privacy information.

The Science Fiction Universe of "Venemous Lumpsucker" by Ned Beauman
Daniel and Kelly chat with Ned Beauman, author of "Venemous Lumpsucker" a cautionary tale about applying free market strategies to preventing extinction.See omnystudio.com/listener for privacy information.

Why is there quantum uncertainty?
Daniel and Jorge wrestle with one of the fuzziest concepts in quantum mechanicsSee omnystudio.com/listener for privacy information.

What did the early Universe sound like?
Daniel and Jorge take you back to the early Universe and the sound bubbles that seeded everything.See omnystudio.com/listener for privacy information.

Can we settle space? Should we? Have we really thought this through?
Daniel talks to Kelly and Zach Weinersmith about whether humanity is ready to move into the stars.See omnystudio.com/listener for privacy information.

What's the matter with matter in the Universe?
Daniel and Jorge dig into the history of matter, dark matter and dark energy, explaining how they used to have very different ratios.See omnystudio.com/listener for privacy information.

Listener Questions 44: Deep questions from listeners like you!
Daniel and Jorge wrestle with the Earth's tilt, steampunk atoms and fundamental pixels of rad.See omnystudio.com/listener for privacy information.

Which force(s) power the human senses?
Daniel and Katie talk about how we experience the Universe and what physics underlies our senses.See omnystudio.com/listener for privacy information.

Could we see moons around exoplanets?
Daniel and Jorge are over the moon about the possibility of spotting alien moons.See omnystudio.com/listener for privacy information.

Could we seed exoplanets with life?
Daniel and Kelly wrangle with the tricky science and ethics of sending microbes to distant worlds.See omnystudio.com/listener for privacy information.

Do Black Holes Have Hair?
Daniel and Jorge wrestle with the hairy question of what's happening inside and on the surface of black holes. See omnystudio.com/listener for privacy information.

Was the interstellar visitor oumuamua natural or artificial?
Daniel and Jorge talk about the claims that 'Oumuamua might have been alien space junk.See omnystudio.com/listener for privacy information.

Could dark matter be making flashes of light?
Daniel and Jorge break down a new study that looks for dark matter using both gravity and light.See omnystudio.com/listener for privacy information.

Where is all the missing matter?
Daniel and Jorge talk about the effort to track down all the quarks in the Universe.See omnystudio.com/listener for privacy information.

How does gravity escape a black hole?
Daniel and Katie warp their minds around the question of what gravitational information really is and what we know about a black hole.See omnystudio.com/listener for privacy information.

Listener Questions 43: Light, heat and vision
Daniel and Jorge answer questions from listeners like you! Send in your questions to [email protected] omnystudio.com/listener for privacy information.

Great, Big Questions about the Universe
Daniel and Jorge answer questions from young people about the Universe, to mark Jorge's new book!See omnystudio.com/listener for privacy information.

How important is cosmic dust?
Daniel and Jorge dust off their knowledge of the tiny-but-mighty grains of space dust which help form our world and block our view of the cosmos.See omnystudio.com/listener for privacy information.

Explain the Universe: Behind the Scenes
To mark the 500th episode, Daniel gives a tour of the podcast's history and production process, including candid interviews with the co-hosts, Sean Carroll and other podcasters.See omnystudio.com/listener for privacy information.

How big is the smallest habitable planet?
Daniel and Kelly talk about what it would take to live away from Earth, and whether a small planet could host humanity.See omnystudio.com/listener for privacy information.

Why do moving objects look shorter?
Daniel and Jorge wrestle with the weird consequences and hard questions of special relativity!See omnystudio.com/listener for privacy information.

How do we measure the Higgs boson mass?
Daniel and Jorge talk about why the Higgs mass is such an important number and how physicists weigh such a fleeting particle.See omnystudio.com/listener for privacy information.

Listener Questions 42: Life, the Universe and Ghosts!
Daniel and Jorge answer questions from listeners like you! Send your questions to [email protected] omnystudio.com/listener for privacy information.

Why do scientists do simulations?
Daniel and Jorge explain how simulation lets scientists answer new kinds of questions about the Universe.See omnystudio.com/listener for privacy information.

Have we seen more or fewer gravitational waves than expected?
Daniel and Katie talk about what physicists expected when they turned on a new kind of ear for listening to the Universe.See omnystudio.com/listener for privacy information.

Why is space so flat?
Daniel and Jorge talk about what it means for space to be curved, how we measure it and why the answer is a puzzle.See omnystudio.com/listener for privacy information.

The Science Fiction Universe of "Meru" by SB Divya
Daniel and Kelly talk to the author of "Meru" about a future which blurs the line between humans and machines.See omnystudio.com/listener for privacy information.

What is the maximum vacuum?
Daniel and Jorge talk about what is revealed if you empty space of all possible particles.See omnystudio.com/listener for privacy information.

The Science Fiction Universe of "Orbital Cloud"
Daniel and Kelly talk to Tayio Fujii, author of "Orbital Cloud" See omnystudio.com/listener for privacy information.

What does the center of the galaxy look like?
Daniel and Jorge turn their eyes to the center of the galactic action and give us a sense for where we are.See omnystudio.com/listener for privacy information.

How fast can a black hole spin?
Daniel and Katie get their heads spinning as they spiral into the center of spinning black holesSee omnystudio.com/listener for privacy information.

How can we look for magnetic monopoles?
Daniel and Jorge talk about a particle with a pure magnetic charge and how to look for it using a cubic kilometer of ice.See omnystudio.com/listener for privacy information.

How massive is a neutrino?
Daniel and Jorge talk about the mysterious mass of the neutrino and how we can measure it.See omnystudio.com/listener for privacy information.

How can we keep solar panels clean on Mars?
Daniel and Kelly talk about how to keep solar panels bright and powerful when they far away on a dusty planet.See omnystudio.com/listener for privacy information.

What is a non-Newtonian fluid?
Daniel and Jorge talk about the gooey physics of honey, gravity, asphalt and ketchup!See omnystudio.com/listener for privacy information.

Listener Questions 41: Questions about the mass of the Universe, moons made of gas, and backyard blackholes.
Daniel and Jorge answer questions from listeners like you!See omnystudio.com/listener for privacy information.

What everyone misunderstands about the Universe
Daniel talks to Zach Weinersmith about the most common misconceptions about our Universe.See omnystudio.com/listener for privacy information.

How stable is the Earth's orbit?
Daniel and Jorge talk about whether we can expect the Earth to continue in its path forever, or if our days are numbered.See omnystudio.com/listener for privacy information.

Do things get more massive the faster they move?
Daniel and Jorge talk about what happens when you start to move fast, and whether it makes sense to think about your mass growing.See omnystudio.com/listener for privacy information.

How do planets get their moons?
Daniel and Jorge talk about how a planets gets its natural satellites and the stories that each one reveals.See omnystudio.com/listener for privacy information.

Do all galaxies have central black holes?
Daniel and Jorge talk about whether galaxies have to have black holes at their hearts.See omnystudio.com/listener for privacy information.

How to use the whole galaxy to hear huge gravitational waves
Daniel and Jorge break down the recent discovery of huge gravitational waves by NANOGrav, and what it means about supermassive black holes.See omnystudio.com/listener for privacy information.