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After a year of observations, scientists waited with bated breath on Nov. 28, 2013, as Comet ISON made its closest approach to the sun, known as perihelion.
Main Space
254 days ago · From Administrator
Continuing a history of surprising behavior, material from Comet ISON appeared on the other side of the sun on the evening on Nov. 28, 2013
Main Space
263 days ago · From Administrator
In the early hours of Nov. 27, 2013, Comet ISON entered the field of view of the European Space Agency/NASA Solar and Heliospheric Observatory.
Main Space
268 days ago · From Administrator
A comet's journey through the solar system is perilous and violent.
Main Space
273 days ago · From Administrator