December 13, 2019

Astronomy Video of the Week: Celebrating SOHO’s 3,000th Comet

There it is: SOHO’s 3,000th comet.

Image credit: NASA/SOHO

Has it really been that long? The joint NASA/European Space Agency’s Solar Heliospheric Observatory (SOHO) celebrates two full decades in space in just a few short weeks. Launched on December 2nd, 1995, the mission keeps a continual watch on the Sun from its L1 vantage point. [Read more...]

27.01.11: A Surge of Sungrazers.

A curious event closed out the year 2010. From December 13th to the 22nd, astronomers studying the Sun noticed an unprecedented upswing in the number of sun diving comets. In fact, researchers spied no less than 25 comets in ten days, a record rate. The data comes from the European Space Agencies (ESA) Solar Heliospheric Observatory (SOHO) which has stared at the sun since its launch in 1996.

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