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What Is the Nearest Galaxy to the Milky Way?
Dr. Michelle Thaller explains that the answer isn't as simple as you might think!
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08.26.09 Where Is the Center of the Universe?Dr. Varoujan Gorjian explains the mind-boggling expansion of the Universe. |
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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... |
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. |
08.25.08 Spitzer's Fifth AnniversaryThis 'Ask an Astronomer' special looks at some of the biggest discoveries from NASA's Spitzer Space Telescope over th... |
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... |
05.08.08 Can a Planet Have Two Suns?Dr. Carolyn Brinkworth addresses a famous science fiction scenario in this 'Ask an Astronomer' video. |
04.10.08 Can a Galaxy Die?Dr. Varoujan Gorjian gives us the answer to this 'Ask an Astronomer' question. |
03.13.08 Why Aren't There Any Green Stars?Dr. Michelle Thaller answers this question for 'Ask an Astronomer.' |
02.13.08 How Do You Discover an Asteroid?Dr. Bidushi Bhattacharya helps us understand how astronomers find these tiny space rocks. |
12.18.07 Infrared: More Than Your Eyes Can SeeDr. Michelle Thaller explains infrared light in this older video, produced by NASA's Spitzer Space Telescope (then kn... |
11.05.07 M51 and GizmoIn this animated 'Ask an Astronomer' special, innocent alien M51 moves the Earth into a closer orbit around the sun, ... |
09.14.07 What Happens When Galaxies Collide?Dr. Varoujan Gorjian takes us inside galactic collisions in this 'Ask an Astronomer' video. |
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! |
02.12.07 Why Isn't Pluto a Planet Any More?Dr. Robert Hurt explains why Pluto got... well... plutoed. |
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. |
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... |
12.09.05 Do the Stars Really Move?The answer to this 'Ask an Astronomer' question may surprise you! |
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. |
10.14.05 What Is a Brown Dwarf?'Ask an Astronomer' explains one of the strangest objects in outer space. |
