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Why Isn\ Why Isn't Pluto a Planet Any More?
Posted by: SpitzerJim

Video duration: 210 seconds

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

Related: animation, ask, asteroids, astronomer, astronomy, ceres, eris, juno, pallas, planet, planets, pluto, quaoar, sedna
What Will Happen to the Earth When the Sun Dies? What Will Happen to the Earth When the Sun Dies?
Posted by: SpitzerJim

Video duration: 238 seconds

Our Sun won't last forever. Dr. Carolyn Brinkworth explains the ramifications for our home planet in this "Ask an Astronomer" video.

Related: astronomy, death, destruction, doom, earth, giant, gloom, nebula, physical, planetary, red, science, star, sun
Why Aren\ Why Aren't There Any Green Stars?
Posted by: SpitzerJim

Video duration: 197 seconds

Dr. Michelle Thaller answers this question for "Ask an Astronomer."

Related: astronomy, color, colors, perception, physical, physics, primary, science, star, stars
Why Is the Sky Blue? Why Is the Sky Blue?
Posted by: SpitzerJim

Video duration: 185 seconds

In this "Ask an Astronomer" episode, Dr. Carolyn Brinkworth fills us in on what the color of the sky has to do with finding life on distant planets.

Related: absorption, astronomy, atmosphere, light, scattering, science, sky
How Can We See a Black Hole? How Can We See a Black Hole?
Posted by: SpitzerJim

Video duration: 151 seconds

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

Related: ask, astronomer, astronomy, black, hole, holes, jarrett, science, tom
Why Does the Moon Look Like It Changes? Why Does the Moon Look Like It Changes?
Posted by: SpitzerJim

Video duration: 129 seconds

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

Related: animation, ask, astronomer, astronomy, australia, daou, doris, moon, phases, physical, science
What Causes an Eclipse of the Moon? What Causes an Eclipse of the Moon?
Posted by: SpitzerJim

Video duration: 124 seconds

This 'Ask an Astronomer' episode explains lunar eclipses.

Related: animation, ask, astronomer, astronomy, daou, doris, eclipse, ecliptic, lunar, moon, science
What Is the Nearest Galaxy to the Milky Way? What Is the Nearest Galaxy to the Milky Way?
Posted by: SpitzerJim

Video duration: 153 seconds

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

Related: astronomy, education, galaxies, science
Robot Astronomy Talk Show #1: Asteroids Robot Astronomy Talk Show #1: Asteroids
Posted by: SpitzerJim

Video duration: 416 seconds

Will an asteroid strike the Earth and wipe out all life as we know it? IR-2 and his robotic crew make random phone calls to find out.

Related: asteroid, asteroids, astronomy, comedy, extinction, funny, impact, mass, physical, science
Why Doesn\ Why Doesn't the Moon Fall Down?
Posted by: SpitzerJim

Video duration: 109 seconds

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

Related: animation, ask, astronomer, astronomy, daou, doris, moon, orbit, physics, space
What Happens When Galaxies Collide? What Happens When Galaxies Collide?
Posted by: SpitzerJim

Video duration: 114 seconds

Dr. Varoujan Gorjian takes us inside galactic collisions in this "Ask an Astronomer" video.

Related: animation, astronomy, collision, education, galaxies, galaxy, science
Why Are Solar Eclipses Only Visible in Some Places? Why Are Solar Eclipses Only Visible in Some Places?
Posted by: SpitzerJim

Video duration: 144 seconds

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

Related: ask, astronomer, astronomy, eclipse, ecliptic, penumbra, science, solar, stolovy, sun, susan, umbra
What Is a Brown Dwarf? What Is a Brown Dwarf?
Posted by: SpitzerJim

Video duration: 136 seconds

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

Related: ask, astronomer, astronomy, brown, davy, dwarf, failed, kirkpatrick, planet, platypus, science, star
What Is a Redshift? What Is a Redshift?
Posted by: SpitzerJim

Video duration: 147 seconds

'Ask an Astronomer' uses an astronomer, a flying saucer, and a cow to help explain this difficult astronomical concept in simple terms.

Related: abduction, alien, animation, ask, astronomer, astronomy, cow, doppler, jarrett, light, physics, redshift, science, shift, tom
Infrared: More Than Your Eyes Can See Infrared: More Than Your Eyes Can See
Posted by: SpitzerJim

Video duration: 405 seconds

Dr. Michelle Thaller explains infrared light in this older video, produced by NASA's Spitzer Space Telescope (then known as the Space Infrared Telescope Facility) before it launched.

Related: animals, astronomy, electromagnetism, em, infrared, light, nasa, physical, science, space, spectrum, zoo