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SpitzerAudio-053

07.22.10

Unsettled Youth: A Chaotic Planetary System

During the infancy of our solar system, when our planets had not yet settled down into their orbits, this was a dange... listen now

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SpitzerAudio-052

06.01.10

Swirling Clumps of Planetary Material

Something appears to be pushing around a large clump of material that is in orbit of this star, and it's moving fast ... listen now

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SpitzerAudio-051

02.05.10

Trigger Happy Star Formation

From recent discoveries made by two of NASA's Great Observatories comes new insight into how stars are created. Large... listen now

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SpitzerAudio-050

09.04.09

Baby Stars Found Jumbled In Galactic Center

At the center of our Milky Way galaxy is an area previously unseen by astronomers. Shrouded by clouds of swirling dus... listen now

ask2009-001

08.26.09

Where Is the Center of the Universe?

Dr. Varoujan Gorjian explains the mind-boggling expansion of the Universe. watch now

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SpitzerAudio-049

04.07.09

Cool Stars Have Different Mix of Life-Forming Chemicals

It's life, Jim, but not as we know it! Well, at least the building blocks of life. A new study from NASA's Spitzer S... listen now

ask_what01

02.05.09

W-5 Star-Forming Region

Visit the W-5 star-forming region with 'Ask an Astronomer'! watch now

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SpitzerAudio-048

01.28.09

Exoplanet with Wild Temperature Swings

Talk about hot flashes! A planet that heats up to extreme temperatures in a matter of hours before quickly cooling ba... listen now

ask2008-007

12.22.08

Why Is the Sky Blue?

In this 'Ask an Astronomer' episode, Dr. Carolyn Brinkworth fills us in on what the color of the sky has to do with f... watch now

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SpitzerAudio-047

12.12.08

Dim Dwarfs

The new record-holder for dimmest known star-like object in the universe goes to twin brown dwarfs, each of which shi... listen now

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SpitzerAudio-046

11.13.08

Twin Asteroid Belts

The star Epsilon Eridani is even stranger than fiction. NASA's Spitzer Space Telescope has shown it has two asteroid ... listen now

ask2008-006

10.23.08

What's Between the Stars?

In this 'Ask an Astronomer' episode, Dr. Michelle Thaller explains how there can be an interstellar medium in a vacuum. watch now

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SpitzerAudio-045

09.18.08

Water Hit with Young Star's Best Shot

Water is being blasted to pieces by a young star's laser-like jets, according to new observations from NASA's Spitzer... listen now

ask_5th

08.25.08

Spitzer's Fifth Anniversary

This 'Ask an Astronomer' special looks at some of the biggest discoveries from NASA's Spitzer Space Telescope over th... watch now

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SpitzerAudio-044

08.25.08

Spitzer's Fifth Anniversary

NASA's Spitzer Space Telescope continues to surprise astronomers. On its fifth anniversary, we recap some of this Gre... listen now

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SpitzerAudio-043

07.15.08

Brightest Star in the Galaxy has New Competition

A contender for the title of brightest star in our Milky Way galaxy has been unearthed in the dusty metropolis of the... listen now

ask2008-005

07.01.08

What Will Happen to the Earth When the Sun Dies?

Our Sun won't last forever. Dr. Carolyn Brinkworth explains the ramifications for our home planet in this 'Ask an Ast... watch now

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SpitzerAudio-042

06.13.08

Missing Spiral Arms

As a result of a new Spitzer Space Telescope study, two of our own Milky Way Galaxy's spiral arms have gone away. listen now

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SpitzerAudio-041

05.23.08

Holes on Mars

Spitzer isn't the only infrared mission. Infrared images from another of NASA's robotic missions help us understand m... listen now

ask2008-004

05.08.08

Can a Planet Have Two Suns?

Dr. Carolyn Brinkworth addresses a famous science fiction scenario in this 'Ask an Astronomer' video. watch now

ask2008-003

04.10.08

Can a Galaxy Die?

Dr. Varoujan Gorjian gives us the answer to this 'Ask an Astronomer' question. watch now

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SpitzerAudio-040

03.24.08

Diamondoids in Space

Diamonds may be rare on Earth, but surprisingly common in space -- and new research shows that the infrared eyes of N... listen now

ask2008-002

03.13.08

Why Aren't There Any Green Stars?

Dr. Michelle Thaller answers this question for 'Ask an Astronomer.' watch now

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SpitzerAudio-039

02.25.08

Common Earths

Terrestrial planets might form around many, if not most, of the nearby sun-like stars in our galaxy. These new result... listen now

ask2008-001

02.13.08

How Do You Discover an Asteroid?

Dr. Bidushi Bhattacharya helps us understand how astronomers find these tiny space rocks. watch now

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SpitzerAudio-038

02.04.08

Cosmic Suburbia

Young city dwellers on Earth aren't the only ones rushing to suburbia to start families. New observations from NASA's... listen now

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SpitzerAudio-037

12.19.07

Uncommon Moons

New observations from NASA's Spitzer Space Telescope suggest that moons like Earth's -- that formed out of tremendous... listen now

ask_ir

12.18.07

Infrared: More Than Your Eyes Can See

Dr. Michelle Thaller explains infrared light in this older video, produced by NASA's Spitzer Space Telescope (then kn... watch now

ask_m51

11.05.07

M51 and Gizmo

In this animated 'Ask an Astronomer' special, innocent alien M51 moves the Earth into a closer orbit around the sun, ... watch now

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SpitzerAudio-036

10.22.07

Galactic Thief Caught Stealing Gas

A big galaxy, spotted stealing gas from a passing galaxy about half its size, was caught red-handed by the Spitzer Sp... listen now

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SpitzerAudio-035

10.09.07

Dust in the Wind of Black Holes

The dust that makes everything around us -- and even ourselves -- may have come from black holes. listen now

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SpitzerAudio-034

10.03.07

Building an Earth?

An infant Earth may be forming in a star system over 400 light-years away, according to new results from the Spitzer ... listen now

ask2007-002

09.14.07

What Happens When Galaxies Collide?

Dr. Varoujan Gorjian takes us inside galactic collisions in this 'Ask an Astronomer' video. watch now

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SpitzerAudio-033

09.12.07

Neon Signs in Space

A recent detection of neon gas in planet-forming disks may help us better understand how planets form and whether or ... listen now

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SpitzerAudio-032

08.16.07

Putting the Brakes on Star Formation

Spitzer learns why one class of galaxy seems to have trouble forming new stars. listen now

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SpitzerAudio-031

08.10.07

Planets with Four Suns?

New results from the Spitzer Space Telescope hint that other solar systems may be even more exotic than we've ever im... listen now

ask2007-001

07.27.07

What Is the Nearest Galaxy to the Milky Way?

Dr. Michelle Thaller explains that the answer isn't as simple as you might think! watch now

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SpitzerAudio-030

05.14.07

A Tale of Two Worlds -- One Hot, One Windy

Astronomers have studied two very intriguing planets beyond our solar system -- one super hot, one super windy. This ... listen now

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SpitzerAudio-029

03.29.07

Double Sunsets in Distant Skies

Once thought to be the stuff of science fiction, double sunsets may be much more common in the universe than previous... listen now

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SpitzerAudio-028

02.21.07

Hunting for Molecules on Faraway Planets

A first from the Spitzer Space Telescope. A new finding is a stepping stone to eventually studying signs of life on w... listen now

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SpitzerAudio-027

02.21.07

Atmospheres on Alien Worlds

Using the Spitzer Space Telescope, astronomers have for the first time discovered what the atmosphere is like on plan... listen now

ask2006-003

02.12.07

Why Isn't Pluto a Planet Anymore?

Dr. Robert Hurt explains why Pluto got... well... plutoed. watch now

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SpitzerAudio-026

01.09.07

Pillars of Destruction

Hubble's "Pillars of Creation" within the Eagle Nebula is one of the most famous astronomical images of all time. But... listen now

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SpitzerAudio-025

12.18.06

Spitzer Sees the Light

In the beginning there was darkness...but now, Spitzer Scientists say they are seeing the universe's first light. listen now

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SpitzerAudio-024

12.05.06

Wounded Comet Spills Secrets About Distant Solar Systems

Could Comet Tempel 1 provide the key to understanding solar systems beyond our own? Dr. Carey Lisse talks with Linda ... listen now

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SpitzerAudio-023

09.27.06

A Galactic Soap Opera

Our story begins in the deep, dark universe, where galaxies, like people, lead fascinating lives, filled with drama. ... listen now

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SpitzerAudio-022

09.08.06

Cosmic Disk Brakes for Spinning Stars

Can planet-forming disks put the brakes on spinning stars? Dr. Luisa Rebull discusses Spitzer results that may solve ... listen now

ask2006-002

08.24.06

How Can We See a Black Hole?

If no light escapes from a black hole, how can we detect them? 'Ask an Astronomer' explains. watch now

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SpitzerAudio-021

08.14.06

Piercing the Sword of Orion

Astronomers have long scrutinized the vast and layered clouds of the Orion nebula, an industrious star-making factory... listen now

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SpitzerAudio-020

06.23.06

Last of the Great Observatories

Years before Spitzer was launched into space, the entire mission was cancelled! Dr. George Rieke discusses the incred... listen now

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SpitzerAudio-019

06.05.06

Unmarked Grave of a Dead Star

Spitzer has found a supernova remnant that no other telescope has seen. Dr. Patrick Morris discusses his team's disco... listen now

ask2006-001

05.24.06

What Is a Redshift?

'Ask an Astronomer' uses an astronomer, a flying saucer, and a cow to help explain this difficult astronomical concep... watch now

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SpitzerAudio-018

05.11.06

Searching for Solar Systems Like Ours

Are solar systems like our own common in the universe, or is ours an oddball? Dr. Lynne Hillenbrand discusses her wor... listen now

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SpitzerAudio-017

04.05.06

Spitzer Finds Hints of Planet Birth Around Dead Star

NASA's Spitzer Space Telescope has uncovered new evidence that planets might rise up out of a dead star's ashes. (JP... listen now

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SpitzerAudio-016

04.05.06

Phoenix Rising from a Supernova's Ashes

A supernova may be the ultimate end of a star's life, but this may not be the story's end. Recent Spitzer results hin... listen now

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SpitzerAudio-015

03.16.06

Seeing Smoke from a Galactic Fire

Michelle Thaller speaks with Dr. George Helou about a striking new image of Galaxy M82, the discovery of mysterious o... listen now

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SpitzerAudio-014

03.02.06

Origins of Organics

Robert Hurt talks to Yanling Wu about her studies of blue compact dwarf galaxies, and what they tell us about the ori... listen now

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SpitzerAudio-013

02.15.06

Finding Crystals in Colliding Galaxies

Robert Hurt interviews Dr. Henrik Spoon about a first in extragalactic astronomy: the detection of delicate crystals ... listen now

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SpitzerAudio-012

01.11.06

Survivors Around a Dead Star

Whitney Clavin speaks with Dr. Marc Kuchner, who has recently discovered signs of surviving comets around a star that... listen now

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SpitzerAudio-011

12.14.05

Alien Asteroid Belts

Robert Hurt speaks with Dr. Dean Hines by phone about the discovery of an asteroid belt similar to our own around a v... listen now

ask2005-002

12.09.05

Do the Stars Really Move?

The answer to this 'Ask an Astronomer' question may surprise you! watch now

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SpitzerAudio-010

12.08.05

High School Students Visit Spitzer

A teacher and three high school students from the Phillips Exeter Academy visit the Spitzer Science Center, and discu... listen now

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SpitzerAudio-009

11.09.05

The Mountains of Creation

Gay Hill talks to Dr. Lori Allen about the aesthetics and science behind the "Mountains of Creation," a beautiful new... listen now

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SpitzerAudio-008

10.27.05

Tale of the Tadpole Galaxy

Dr. Tom Jarrett discusses new images of the Tadpole galaxy from NASA's SWIRE mission, and what they may tell us about... listen now

ask2005-001

10.25.05

Why Do We See Spiral Arms in Some Galaxies?

'Ask an Astronomer' explains the morphology of one of the most common types of galaxy. watch now

ask2003-005

10.14.05

Are Other Solar Systems Like Our Own?

Solar systems come in a large variety of flavors, as this 'Ask an Astronomer' video shows. watch now

ask2002-001

10.14.05

Why Doesn't the Moon Fall Down?

This 'Ask an Astronomer' episode explains how orbits work. watch now

ask2003-001

10.14.05

Why Is Spitzer Painted Black?

The Spitzer Space Telescope has a funny paint job. This 'Ask an Astronomer' segment explains why. watch now

ask2002-005

10.14.05

Why Are Solar Eclipses Only Visible in Some Parts of the World?

This 'Ask an Astronomer' episode explains eclipses of the sun and why they can't be seen everywhere. watch now

ask2003-003

10.14.05

What Is a Brown Dwarf?

'Ask an Astronomer' explains one of the strangest objects in outer space. watch now

ask2003-002

10.14.05

How Do Stars Live and Die?

'Ask an Astronomer' tackles stellar evolution. watch now

ask2002-002

10.14.05

Can You Feel a Solar Wind?

This 'Ask an Astronomer' segment attempts to explain what a solar wind is (and is not). watch now

ask2003-004

10.14.05

Do Other Solar Systems Exist?

'Ask an Astronomer' explains how we detect planets around other stars. watch now

ask2002-003

10.14.05

Why Does the Moon Look Like It Changes?

Phases of the Moon are clearly explained in this 'Ask an Astronomer' episode. watch now

ask2002-004

10.14.05

What Causes an Eclipse of the Moon?

This 'Ask an Astronomer' episode explains lunar eclipses. watch now

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SpitzerAudio-007

10.13.05

Amazing Andromeda

Observations of our sister galaxy Andromeda reveal a new side to this Milky Way neighbor. Dr. Karl Gordon and Dr. Geo... listen now

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SpitzerAudio-006

10.06.05

Cotton Candy Comets

Dr. Michelle Thaller discusses new insights into the nature of comets gained from observations by Spitzer and other o... listen now

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SpitzerAudio-005

09.29.05

What's a Big Galaxy Doing in the Baby Universe?

Astronomers unexpectedly discover that some very massive mature galaxies were already in place only one billion years... listen now

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SpitzerAudio-004

09.15.05

Do Planets Sprout Like Wildflowers?

New Spitzer evidence indicates that some gas giants may have grown in less than one million years, faster than previo... listen now

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SpitzerAudio-003

09.01.05

Spitzer Turns Two

NASA's Spitzer Space Telescope celebrates its second anniversary of uncovering hidden universes of warm stellar embry... listen now

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SpitzerAudio-002

08.16.05

Finding Hidden Black Holes

Dr. Mark Lacy discusses a population of giant black holes, or quasars, in distant galaxies that, until recent Spitzer... listen now

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SpitzerAudio-001

08.03.05

Organic Molecules in the Early Universe

Dr. Lin Yan discusses her recent discovery of organic molecules called polycyclic aromatic hydrocarbons (or PAHs) in ... listen now

   

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