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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

ssc2008-13v1

07.15.08

Zooming in on Second-Brightest Star in Milky Way

This movie zooms in to reveal the "Peony nebula" star -- the new second-brightest star in the Milky Way, discovered i... watch 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

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

ssc2008-09v1

05.05.08

Cauldron of Light

In this animation, a seething cauldron of light appears to bubble and ooze around the remains of a giant star that as... watch now

ssc2008-09v2

05.05.08

Dissecting a Light Echo

This animation illustrates how a light echo works, and how an optical illusion of material moving outward is created.... 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

ask2008-002

03.13.08

Why Aren't There Any Green Stars?

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

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

ssc2007-19v1

11.29.07

Pulling Back the Curtain of Dust

This artist's animation begins by showing a dark and dusty corner of space where little visible light can escape. The... 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

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

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

ssc2007-09v1

05.09.07

Blacker than Black

This artist's animation illustrates the hottest planet yet observed in the universe. The scorching ball of gas, a "ho... watch now

ssc2007-09v2

05.09.07

Mapping Exotic Worlds

This animation shows the first-ever map of the surface of an exoplanet, or a planet beyond our solar system. The map,... watch now

ssc2007-09v3

05.09.07

How to Map a Very Faraway Planet

Scientists using NASA's Spitzer Space Telescope were able to create the first-ever map of the surface of a planet bey... watch now

ssc2007-08v1

04.18.07

Infrared Rose

This movie begins by showing an optical image of the Rosette nebula, a turbulent star-forming region located 5,000 li... watch now

ssc2007-08v2

04.18.07

Highway to the Danger Zone

"The further on the edge, the hotter the intensity," sings Kenny Loggins in "Danger Zone," a song made famous by the ... watch now

ssc2007-05v1

03.29.07

Two Suns Raise Family of Planetary Bodies

This artist's animation depicts a faraway solar system like our own -- except for one big difference. Planets and ast... watch now

   

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