Astronomers recently detected a massive eruption from an icy volcanic comet that is currently flying through our solar system. (via Spaceweather.com) The comet in question is known as 29P/Schwassmann-Wachmann (29P) and is estimated to be around 37 miles wide. According to astronomers, the comet likely spewed more than 1 million tons of debris into space when it erupted.
29P is believed to be the most volcanically active comet in our solar system, at least that we have discovered thus far. The comet takes almost 15 years to complete a revolution of the Sun, and it is just one of 100 comets known as centaurs that were pushed from the Kuiper Belt – a ring of icy comets lurking beyond the planet Neptune.
Last month, on November 22, astronomer Patrick Wiggins noted that 29P appeared to have increased in brightness quite drastically. Wiggins, along with others, observed the comet closely and concluded that it must have erupted. Further, the eruption was believed to be so major that it is the second-largest eruption seen from 29P in the past 12 years.
The eruption, and any eruptions that size, are fairly rare, astronomers say. Because they are so rare, astronomers aren’t exactly sure what causes them or why they become so big. What’s intriguing about this eruption is that the debris from the volcanic comet is estimated to have stretched up to 34,800 miles away from the comet. The comet is also believed to be traveling over 800 km per hour in space.
The astronomers say that new observations of the comet back up previous research that indicates the eruptions may be tied to the comet’s rotation. It’s possible that similar eruptions could occur as the comet rotates around the Sun.
Perhaps further observations of the volcanic comet could help astronomers better understand why these eruptions occur and how they are triggered. Luckily, the comet’s path doesn’t really bring it close enough to Earth for any concern.
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