Sun 101 Video -- National Geographic

Sun 101 Video It's 100 times bigger than Earth, reaches unfathomably hot temperatures—and makes sunscreen a really good idea. Take a breathtaking journey to the Earth's closest star, the sun.Welcome to the National Geographic video player.Video Sections

Science & Space Video - Watch a video about science, the human body, and the solar system, and see other science and space videos from National Geographic.

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- Equinoxes - Just twice a year, day and night fall into perfect balance. Some claim that astronomical phenomenon, called equinox, inspires ancient structures to reveal hidden secrets.
- Mars on Earth - Join explorers on an eye-opening journey to an uninhabited island near the North Pole, where researchers field test equipment for an upcoming mission to Mars.
- Mars Rovers - Watch as two NASA rovers embark on an incredible journey to uncover the secrets of Mars. Discover how the Martian landscape is similar to Earth's—and how it's very, very different.
- Mission to Mars - Cramped quarters, no privacy, and the stress of working together every day. Psychology, more than aerospace engineering, may be the key to sending human crews to Mars.
- Moon 101 - From the moment Neil Armstrong took his "one small step" in 1969, humans have been mesmerized by the moon. Get a crash course on lunar science.
- Snow Falls on Mars - September 30, 2008— NASA's Phoenix Mars Lander has detected snow falling from Martian clouds, and its soil testing shows further evidence of the planet's watery past, scientists say.
- Solar Blast - Powerful blasts from the sun have the power to fry satellites, crash ATMs and even strand airplanes in the sky. Learn more about the incredible phenomenon known as solar blasts.
- Solar System 101 - How was our solar system born? Join scientists as they embark on a journey into the mesmerizing mysteries of space. Hear their expert theories, then decide for yourself.
- Sun 101 - It's 100 times bigger than Earth, reaches unfathomably hot temperatures—and makes sunscreen a really good idea. Take a breathtaking journey to the Earth's closest star, the sun.
- Voyager Exploring the Solar System - What started out as a mission to explore the planets of Jupiter and Saturn has evolved into an adventure to the region beyond our sun's realm. Join a team of interstellar researchers.
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