Lagoon Nebula (IMAGE)

American Geophysical Union

Lagoon Nebula

Caption

The center of Lagoon Nebula, captured by the Hubble Telescope. Nebulae are the primary sources of helium-3, and the amount of He-3 leaking from the Earth’s core suggests the planet formed inside the solar nebula, according to a new study in the AGU journal Geochemistry, Geophysics, Geosystems.

Credit

NASA, ESA

Usage Restrictions

No restrictions.

License

Public Domain

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