Incoming: The Chicxulub Impactor, Part 6 ― Now What? By Stephanie Osborn

Incoming: The Chicxulub Impactor, Part 6 ― Now What? By Stephanie Osborn http://www.stephanie-osborn.com   In the last 600 million years, at least 3 large asteroids have impacted Earth, sufficient to generate craters of order 100km (60mi) across or greater. These are Chicxulub (in Yucatan, Mexico), Popigai (in Siberia, Russia), and Manicouagan (in Quebec, Canada). Popigai … Continue reading Incoming: The Chicxulub Impactor, Part 6 ― Now What? By Stephanie Osborn

Incoming: The Chicxulub Impactor, Part 5 ― Other Theories & Other Extinctions By Stephanie Osborn

Incoming: The Chicxulub Impactor, Part 5 ― Other Theories & Other Extinctions By Stephanie Osborn http://www.stephanie-osborn.com Other Theories Gradual Decline Some statistical studies indicate that, based on the fossil record, most of the major dinosaur groups were already declining during the Late Cretaceous, though certain herbivore groups appear to proliferate during this period. The researchers … Continue reading Incoming: The Chicxulub Impactor, Part 5 ― Other Theories & Other Extinctions By Stephanie Osborn

Incoming: The Chicxulub Impactor, Part 4 ― The Timeline By Stephanie Osborn http://www.stephanie-osborn.com

Incoming: The Chicxulub Impactor, Part 4 ― The Timeline By Stephanie Osborn http://www.stephanie-osborn.com   In order to best understand the details of what happened, along with the speed with which they occurred, I thought it made sense to generate a rough timeline of events. With considerable research, judicious estimations, and a bit of calculation, I … Continue reading Incoming: The Chicxulub Impactor, Part 4 ― The Timeline By Stephanie Osborn http://www.stephanie-osborn.com

Incoming: The Chicxulub Impactor, Part 3 ― The Impactor & Effects By Stephanie Osborn

Incoming: The Chicxulub Impactor, Part 3 ― The Impactor & Effects By Stephanie Osborn http://www.stephanie-osborn.com The Impactor Based on the evidence at the impact site, there are quite a few things that can be fairly readily extrapolated about the impactor. Impactor’s estimated velocity: 12.6-73km/s (4,500-26,000km/hr or 2,800-16,300mph) Impactor’s estimated diameter: 9-11km (~5.5-6.8mi) up to 81km … Continue reading Incoming: The Chicxulub Impactor, Part 3 ― The Impactor & Effects By Stephanie Osborn

Incoming: The Chicxulub Impactor, Part 2 ― Evidence By Stephanie Osborn

Incoming: The Chicxulub Impactor, Part 2 ― Evidence By Stephanie Osborn http://www.stephanie-osborn.com Why would anyone even think about an asteroid impact? Let alone killing the dinos? Well, it turns out that there’s really quite a bit of evidence to indicate exactly that. Remember that series of arcs that Glen Penfield and Antonio Camargo-Zanoguera found in … Continue reading Incoming: The Chicxulub Impactor, Part 2 ― Evidence By Stephanie Osborn

Incoming: The Chicxulub Impactor, Part 1 ― The History By Stephanie Osborn

Incoming: The Chicxulub Impactor, Part 1 ― The History By Stephanie Osborn http://www.stephanie-osborn.com As per usual, I gave a new science talk at LibertyCon this year. I get asked a lot about asteroid impacts, and for years I had a hobby of studying such things, given my background in astronomy/astrophysics. (I was even on an … Continue reading Incoming: The Chicxulub Impactor, Part 1 ― The History By Stephanie Osborn

What’s the Deal with Quakes in East Tennessee? By Stephanie Osborn

What’s the Deal with Quakes in East Tennessee? By Stephanie Osborn http://www.stephanie-osborn.com/   There’s been a lot of agitation and media reports (some legit, some less so) on the series of earthquakes in East Tennessee, and how this means the New Madrid fault system is about to go off again, and all kinds of stuff … Continue reading What’s the Deal with Quakes in East Tennessee? By Stephanie Osborn

The Latest on the Double-Dynamo Solar Model, and Dr. Zharkova’s Predictions of a Grand Minimum by Stephanie Osborne

The Latest on the Double-Dynamo Solar Model, and Dr. Zharkova’s Predictions of a Grand Minimum By Stephanie Osborn http://www.stephanie-osborn.com/   A couple of weeks back, Michael Z. Williamson tagged me on Facebook with a link to a poorly-explained article (http://electroverse.net/professor-valentina-zharkova-breaks-her-silence-and-confirms-super-grand-solar-minimum/?fbclid=IwAR17eDkqZclMhetyoIZFrfgryD2tV4uxzpxbzq2-VWNVZEuU9Wi4PpDL13w ) discussing Dr. Valentina Zharkova’s latest presentation for the Global Warming Policy Foundation, a more … Continue reading The Latest on the Double-Dynamo Solar Model, and Dr. Zharkova’s Predictions of a Grand Minimum by Stephanie Osborne

Kiss Your Ash Goodbye: The Yellowstone Supervolcano, Part V, A Vulcanology Primer by Stephanie Osborn

Kiss Your Ash Goodbye: The Yellowstone Supervolcano, Part V, A Vulcanology Primer by Stephanie Osborn Excerpted from Kiss Your Ash Goodbye: The Yellowstone Supervolcano, © 2018 By Stephanie Osborn http://www.stephanie-osborn.com Images in this article are public domain unless otherwise noted.   What Would Happen If Yellowstone Erupted Today? That would depend on the type of … Continue reading Kiss Your Ash Goodbye: The Yellowstone Supervolcano, Part V, A Vulcanology Primer by Stephanie Osborn

Kiss Your Ash Goodbye: The Yellowstone Supervolcano, Part IV, A Vulcanology Primer By Stephanie Osborn

*For those putting his up at home, this took installing a different browser and pasting as text (after already copying and pasting as plain text on a text editor) under the html tab.  I hope this is not the new normal, but if it is, at least I know how to do it. – SAH* … Continue reading Kiss Your Ash Goodbye: The Yellowstone Supervolcano, Part IV, A Vulcanology Primer By Stephanie Osborn