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On Tomorrow's Pop-Ups...

#5
I wonder if it had anything to do with solar storm activity. There is a big hole right now producing a solar wind due to arrive on the 17th (Thursday). A G2 solar storm can easily mess up satellites and if it goes on for a long time it can damage high latitude transformers. SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids
Volcanic activity is a bit higher this week too and some associate it with sun spot activity. VolcanoDiscovery: volcanoes worldwide - news, info, photos, and tours to volcanoes and volcanic areas, earthquake information
A football field sized asteroid will fly between the earth and the moon in the wee hours of the morning tomorrow - quite a week.
I wonder what the uncertainty was in that measurement. 200,000 km plus or minus ?
The speed accuracy is 1% says the stack exchange and the position accuracy is very good, but what about the mass estimate? How accurate can near earth asteroids be tracked?
It is expected to be visible in the sky of the southern hemisphere.
JPL Small-Body Database Browser more data, please NASA..
Not that these sorts of flybys are unusual: How a Football Field-Size Asteroid Caught Us by Surprise
Thankfully, there are calculators for estimating the impact of such things: https://gizmodo.com/5683410/calculate-how-much-damage-an-asteroid-will-cause
You would easily hear a 24 dB sound 10,000 km away, but it would take 8 hours for the sound to get to you.
If it hit with a glancing angle, it would break up in the atmosphere and leave no crater if it were made of rock, but not if it were made of iron (like the one that hit Russia in 2013). One made of iron would rain down fragments over a 200 m patch and make a 3 km crater in water.
In short, it would make an awesome firework. I wonder if it would make the summer colder or warmer.. nah, too small to have an impact.
(this just became an impromptu notepad for my spacecloud story)
I know that the literature says that there is no direct connection between sunspot positions and planetary orbits, but my inner crackpot sees Jupiter lined up with earth, and I can't help but associate the sunspot with a gravitational shadow from Jupiter.
In any case, the earth is getting pulled in opposite directions by the sun and Jupiter right now. In July, we'll get another squeeze in the same direction by Mars - and don't forget the lunar apse cycle! Tidal cycles could help predict volcanic eruptions, study suggests
(my geophysics education is not good - I'm only qualified for crank-level speculation on this topic)
 
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Amber

Benefactor
#7
I wonder if it had anything to do with solar storm activity. There is a big hole right now producing a solar wind due to arrive on the 17th (Thursday). A G2 solar storm can easily mess up satellites and if it goes on for a long time it can damage high latitude transformers. SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids
Volcanic activity is a bit higher this week too and some associate it with sun spot activity. VolcanoDiscovery: volcanoes worldwide - news, info, photos, and tours to volcanoes and volcanic areas, earthquake information
A football field sized asteroid will fly between the earth and the moon tomorrow - quite a week. I wonder what the uncertainty was in that measurement. 0.5+-0.3 LD? It was expected to be visible in the sky of the southern hemisphere.
JPL Small-Body Database Browser more data, please NASA..
Not that these sorts of flybys are unusual: How a Football Field-Size Asteroid Caught Us by Surprise
I know that the literature says that there is no correlation between sunspot positions and planetary orbits, but my inner crackpot sees Jupiter lined up with earth, and I can't help but associate the sunspot with a gravitational shadow from Jupiter.
(my geophysics education is not good - I'm only qualified for crank-level speculation on this topic)
Cool.
 

AgentPete

Capo Famiglia
#11
I know that the literature says that there is no correlation between sunspot positions and planetary orbits, but my inner crackpot sees Jupiter lined up with earth, and I can't help but associate the sunspot with a gravitational shadow from Jupiter.
Fabulous stuff! We’re all clearly living right on the edge…
Thinking about holidays, that’s why I love Naples so much. Living under a sodding great volcano – which will take a chunk of Europe with it when it blows – infuses the place with intensity. Memento mori… but for now, let’s party...
 
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