Geology and Astrophysics of an Asteroid Crater in Middlesboro, Kentucky, USA
Channel: Science Circle
Date: 25/02/2023

This lecture was recorded from a live presentation in the Second Life virtual world, for the Science Circle community.

00:00 - Start
00:20 - Introduction
04:56 - Distribution in the USA
06:52 - Chesapeake Impact Crater
07:53 - Geological Area
08:33 - How Many Craters in the USA?
08:47 - Historic Cumberland Gap
10:14 - Middlesboro is a Bowl
11:23 - How Old is the Crater?
12:06 - Age Constrained
14:41 - Evidence of High Temperatures and Pressures
15:11 - Faults and Cracks
16:18 - How Big of a Rock?
20:11 - Density and Volume
22:39 - Density of Asteroids
23:40 - Asteroid Speed
25:40 - Asteroid Diameter Calculation
26:35 - Error Discussion
28:31 - Types of Meteorites
29:37 - Achondrites Lack the Chondrules
30:17 - 27 Meteorites in Kentucky
31:05 - Conclusions
32:09 - Implications for Space Colonies
34:10 - Mining in a Crater
35:45 - References Cited