(ecology) The ecosystem of the Earth regarded as a self-regulating superorganism.

The idea that both the biosphere and the inorganic components of Earth interact to form a coherent, complex system that allows for life to persist.

(astronomy, galactic archaeology) A former galaxy, which merged into the Milky Way Galaxy around 10 billion years ago, the remnants of which now form the Gaia Sausage population within the Milky Way Galaxy.

(astronomy) A stellar population within the Milky Way Galaxy that forms a sausage-shaped plot in velocity-space, which is thought to originate from a galaxy merger 10 billion years ago, with the Gaia-Enceladus galaxy, composing mostly Milky Way halo stars.

A city and municipality in Porto district, Portugal.

Foreign pressure; pressure applied by one country onto another.

The belief and theory of Gaia model of interconnectedness of biosphere on Earth.

a spiritual philosophy following the Gaia Theory of James Lovelock

A radical Green who views the ecology of the Earth's biosphere not only as the basis of human moral examples, but of all cognition and even sentience.

Of or relating to Gaia.