Nov 3 - Giant Geode! Plus … November Planets

November 3 Giant Geode! Plus … November Planets by:

A researcher stands inside the Pulpí geode, one of the largest documented geodes in the world, located at a depth of about 150 feet (50 meters) in a former silver mine in southeast Spain. Image via Hector Garrido.

Whoa! Check out this giant geode Scientists recently studied the formation of the huge crystals inside the giant geode of Pulpí, located deep in a Spanish mine. They found that temperature fluctuations - maybe from climate or maybe from geothermal systems - amplified a natural process that grew the crystals, ripening them over thousands of years and making them literally crystal clear. Read more. November guide to the bright planets Saturn, Jupiter and Venus make a line after sunset. Mars rises in the east, shortly before the sun. The 2 brightest planets - Jupiter and Venus - will meet up for conjunction on November 24. Telescopic viewers using protective filters will see Mercury transit the sun on November 11. Read more. Year's earliest solar noon is today November 3 brings the earliest noon - or midday - of the year. Click here to learn what that means. Earliest solar noon is a harbinger of 2019’s earliest Northern Hemisphere sunset - and earliest Southern Hemisphere sunrise - happening before the December solstice. Read more. What we’re reading From The Atlantic … Why the search for dark matter depends on ancient shipwrecks Errant particles from everyday radioactive materials are a major obstacle for particle physicists. The solution? Lead from the bottom of the sea. Read more.

EarthSky lunar calendars are back in stock We're guaranteed to sell out, get one while you can! Your support means the world to us and allows us to keep going. Purchase here.

Watch for Taurid fireballs! Skywatchers are still remembering the Taurid fireballs they saw in 2015. The Taurids appear to have a 7-year cycle of bright fireballs - which are just bright shooting stars, or meteors - and 2015 was apparently a peak year! Read more and see fireball photos from 2015. And what about 2019? We haven't heard of too many fireball-sightings from the Taurids this year. But you never know.

Leaf season View at EarthSky Community Photos. | Beautiful drone picture of Fort Mountain State Park in northwest Georgia, from our friend Scott Kuhn. Thanks, Scott!  Submit your photo to EarthSky here! Did a friend forward EarthSkyNews to you? Click here to get your own subscription!

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