How can Earth be considered as a system?
1 Answer
Dec 22, 2016
See explanation.
Explanation:
Broad definitions of astronomical gravitational systems::
Our Dark Matter inclusive universe can be regarded as a system of
galaxy systems, including coronas that envelope galaxies. .
A galaxy-system can be regarded as a system of star systems,
including coronas that envelopes the galaxy, and the stars as well,
and misty nebulae that hide a single star or a group of stars. .
A star-system, with its corona envelope, can be regarded as a
system of planet-systems, asteroids and comets.
A planet-system can be regarded as a system around the planet
that comprises atmospheric layers ( if any ), rings and satellites.
The Earth-system has atmospheric layers and its own orbiter, Luna.
