Space Weather Update

Its been a while since space weather graced this blog, far too long if you ask me. With that in mind, ponder a Sunday night space weather update.

As I write solar wind blows at 354.8 km/second, 1,967 potentially hazardous asteroids are identified within 100 LD (lunar distance) from our planet and 2 observable fireballs have been recorded in the past 24 hours. Despite a lull in solar activity courtesy cyclical expectations of solar minimum, a behemoth Earth facing hole in the Sun’s surface catapults solar wind in our direction. Contact with Earth’s magnetic field is anticipated on February 19 or 20th. Aurora watchers can expect geomagnetic storms.

On Monday February 18, Sirius, the brightest star in our night sky will be eclipsed by asteroid 4388 Jurgenstock (https://en.wikipedia.org/wiki/4388_Jürgenstock)

In sharp contrast to February 2018 which came and went without a full moon, February 19, 2018 delivers a supermoon designated the closest full moon of the year.

https://www.space.com/34515-supermoon-guide.html

Few people know what space weather is, let alone grasp how it impacts life on Earth. If you were a passenger on NetJets flight 795 from White Plains to Burbank last week, you received a radiation dose of x 68.4 that of radiation exposure at sea level. Space weather is real and it matters. Happy Sunday.

http://spaceweather.com/

One thought on “Space Weather Update

  1. The thing I like about weather is, you can always count on getting some. As for space weather… as Bill Murray expostulated in Groundhog Day: “Is it snowing in space?” when the phone lines went down.

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