Kepler's first Law concept from the Astronomy knowledge base

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Kepler's first Law

subject fact

Kepler's first Law has definition Each planetary orbit is an ellipse with the Sun at one focus. has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:33:55.0
is an instance of Kepler's Law

Kepler's Law has discoverer Johannes Kepler

gravity law has domain gravity

theory has validity correct or incorrect with caveats 2001-09-27 09:33:53.0
has author or reasearch group
has date or a range of dates for which the theory was active

Kepler's first Law	has definition Each planetary orbit is an ellipse with the Sun at one focus.
Kepler's first Law	is an instance of Kepler's Law
Kepler's Law	has discoverer Johannes Kepler
gravity law	has domain gravity
theory	has validity correct or incorrect with caveats
	has author or reasearch group
	has date or a range of dates for which the theory was active