Heikki Polvinen

Heikki Polvinen

Heikki Polvinen
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Known Types of Alien Worlds

Planets Large and Small Populate Our Galaxy (Infographic) Astronomers searching for another Earth are getting closer, thanks to recent discoveries by the Kepler space telescope.

The two largest pieces of the Universe that we know the least about, yet nothing less than the ultimate fate of the Universe will be determined by them. (Illustration: NASA/CXC/M.Weiss)

Dark Energy & Dark Matter The two largest pieces of the Universe that we know the least about, yet nothing less than the ultimate fate of the Universe will be determined by them. (Illustration: NASA/CXC/M.Weiss) The Universe in a Jelly Bean Jar

Math art project idea for kids and families. Over a dozen ideas to inspire creativity.

Math art project idea for kids. Over a dozen ideas to inspire creativity. Montessori triangles project is awesome.