Observe an animation of Encke’s comet being hit by a coronal mass ejection
Animation of Encke’s comet being hit by a coronal mass ejection.
NASA/GSFC Conceptual Image Lab
NASA/GSFC Conceptual Image Lab
Animation of Encke’s comet being hit by a coronal mass ejection.
Learn about comet debris, including meteors (shooting stars).
Learn about the comparative size of various solar system objects.
European Space Agency – ESA
The landing of the European Space Agency’s Philae space probe on Comet 67P/Churyumov-Gerasimenko on November 12, 2014. Philae was part of the Rosetta mission and the first spacecraft to land on a comet.
Encyclopædia Britannica, Inc.
Ptolemy’s theory of the solar system.
Encyclopædia Britannica, Inc.
Kepler’s theory of the solar system.
What does outer space smell like? Learn about some reported smells of outer space and the chemical causes of these.
Encyclopædia Britannica, Inc.
Copernicus’s theory of the solar system.
Encyclopædia Britannica, Inc.
Aristotle’s theory of the solar system.
Last Modification:
May 18, 2026