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Riled Up is a journal of science, the environment, exploration, new technology, and related commentary.  Contributors include scientists, explorers, engineers, and others who provide perspectives and context not typically offered in general news circulation.  For interested readers, additional resources are included.

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Collision course

The Milky Way and the Andromeda Galaxy are on a collision course. Andromeda --the only galaxy that can be seen with the naked eye --is on a course to collide with us billions of years from now. If you ever wondered what colliding galaxies might look like, check out this Hubble photo: [caption id="attachment_7086" align="aligncenter" width="575" caption="Colliding galaxies (credit: NASA)"][/caption] WHB
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Fairy Pillar

In honor of the 15th anniversary in 2005 for the launch of the Hubble Space Telescope, NASA released a photograph of the Fairy Pillar, part of the Eagle Nebula. The entire nebula is a stellar nursery where many new stars are forming. At one point, gravity will collapse the nebula inward to the new stars. [caption id="attachment_6791" align="aligncenter" width="502" caption="Fairy Pillar as seen by the Hubble telescope (source: NASA)"][/caption] The Fairy Pillar is one of many ...
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Happy Birthday, Neptune

Today is Neptune's birthday. It only gets a birthday once every 164 years, since that how long it takes to orbit the sun. That's what a birthday is, after all. Once around our big ball of fire. Neptune, one of the Solar System's gas giants has just completed its only orbit around the sun since being discovered in 1846. The Hubble Space Telescope captured these fine, new, celebratory photos of the blue-green planet: [caption id="attachment_5569" align="aligncenter" width="575" ...
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