Learn about seasonal changes on Pluto in this video adapted from NASA. Pluto is one of the largest members of the Kuiper belt, a region of small icy bodies in the outer solar system. Pluto is so tiny and distant that even images from the Hubble Space Telescope do not show much detail. Extensive computer processing has produced higher-resolution maps of Pluto that show evidence of seasonal changes. Comparing maps from 1994 and 2002, the northern polar region brightened while the southern region darkened, most likely because ice at the southern pole sublimated and then condensed out at the northern pole. CREDITS: https://www.pbslearningmedia.org/credits/npls12.sci.ess.eiu.viewspluto/ License: https://www.pbslearningmedia.org/help/full-license-for-section-3c-of-terms-of-use-download-and-share/
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Visit http://science.nasa.gov/ for more. Earth is surrounded by electrons that can be disruptive to our technology. NASA is using high-altitude balloons and spacecraft to monitor and understand these particles in the radiation belts surrounding our planet. Click here to see more videos: https://al
Explore how astronomers and scientists use astronomical units to measure distances in the solar system in this video adapted from NASA. The astronomical unit (au) -- equal to the average distance from Earth to the Sun -- is a convenient unit of measure when talking about distances in the solar syste
