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Dr. Felisa Wolfe-Simon, Astrobiology/Exobiology fellow at NASA is the leading scientist on the team that discovered Arsenic-based life which tremendously expands humankind's understanding of biology.

UFO Sightings Chart by The National Archives UK on Flickr. UFO Sightings Chart Description: Unidentified Flying Object sightings Date: c.1969

Our entire solar system in this little dot of the Milky Way galaxy. There are around 300,000,000,000 stars in the Milky Way galaxy alone. Each star having possibly one or more planets in orbit.

Viking rune stone, Upplands, Sweden - ca. 11th century. Rune stones began as a Christian tradition among Danish vikings, but spread and intensified in fashion in Sweden.

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