C202 “Laplander” 📷Via IcelandCarCulture

The Helium Atom

Helium nuclei were created in the Big Bang and contain two protons and two neutrons each. Helium is the second most abundant element, comprising roughly one quarter of the mass of the Universe. This animation zooms into a standard helium atom, showing its protons (green), neutrons (white), and electrons (blue).

Credits: Dana Berry / Lead Animator Michael McClare (HTSI)

Ludwig van Beethoven - Moonlight Sonata ( 3rd Movement ) Tina S Cover 

Beethoven “Moonlight” Sonata,  III “Presto Agitato” Valentina Lisitsa

Did you know?

“Las Noches de Kukulcán” en Chichén Itzá, Yucatán.

Patrimonio de la Humanidad desde 1988 y Maravilla del Mundo desde 2007.

Los círculos no se mueven del sitio