Fire In The Sky

Bvtn 523.44 DIL . . 2019 . . Gordon L. Dillow (AZ Journalist)

https://gordondillow.com/

History, a few interviews, some reasonably current information

• p1 meteor over Arizona 2016 June 2, light and sound, 500 tonnes TNT, not detected beforehand
• p7 Meteor Crater impact, 50 Kya, 18 km/s, 50 meter diameter, nickle-iron
  • p12 nothing lives inside 5 km, 800 km2 stripped bare, 1200 m crater, 170 m deep
  • p18 300,000 visitors per year
• p31 4 kg meteorite 1954 Sylacauga Alabama hits 34 yo Anne Hodeges, in Tuscaloosa Museum of Natural History
  • p32 many other "unconfirmed" cases and deaths
• p34 Piazzi 1801 Ceres Himmelpolizei . . 1802 Pallas . . 1807 Juno Vesta

• p36 NASA $850M probe to Psyche Launch 2022 Arrive 2026

• p39 1997 XF11 close pass 2028 . . . 5km 4179 Toutatis next close approach 2029
• p40 city-killer-sized twice per century (somewhere)
• p43 400 discovered by 1900
• p40 Lawyer Daniel M. Barringer, Princeton 1879, mining, 1896 Commonwealth Gold/Silver Mine in sw Arizona

• p50 Dr. Albert E. Foote, collectable minerals, gathered >100 meteorites, one 200-pounder; then Volz collected 20,000 pounds, $1.25/pound

• p53 1891 prominent scientst Grove Karl (G.K.) Gilbert claimed steam explosion
• p56 Western Union Telegraphic Codebook 1903
• p57 Barringer assumes million tonne metal asteroid, claims mining patent, plans to dig out iron 200 feet deep, starts digging 1904, drills down to 1000 feet
• p65 1929 astronomer Forest Ray Moulton calculates asteroid destroyed by impact, Barringer dies of heart attack age 69
• p66 UAZ John L. Lewis, Mining the Sky, 2014 Asteroid Mining 101, chief scientist for Deep Space Industries
  • Platinum Group Metals not worth it except as byproduct of space construction material harvest
• p71 Spurring Private Aerospace Competitiveness and Entrepreneurship (SPACE) act of 2015 exempts American citicesns from 1967 Outer Space Treaty
• p74 1971, IAU 15 km Barringer Crater on the far side of Moon
• p75 Tunguska June 30, 1908, 1927 Kulik expedition

• p87 Cosmic pluralism, In 1838 Scottish author/minister Thomas Dick claims 21,891,974,404,480 living inhabitants in Solar System, 5 billion on moon

  • based on surface area and population density of England
• p87 1870 William Herschel (discoverer of Uranus) claims fornicating man-bats on Moon

• p89 1946 Robert S. Dietz argues almost all lunar craters meteoric

• p90 Gene Shoemaker 1928, Caltech geology masters at age 21, 1950 USGS search for uranium, saw Meteor Crater with wife Caroline

  • p93 1960 Shoemater finds quartz allotrope "coesite" in Meteor crater and in 15 mile wide circular depression around Nördlingen Germany

• p93 200 confirmed impact craters, 300km 2Gya Vredefort the largest

• p95 Shoemaker 1963 Addison's disease, no astronaut, but helped train Apollo astronauts

• p96 in 1956 Clair Patterson dated Meteor Crater meteorites with lead isotopes

• p99 Shoemaker and Glo Helin started the Palomar Planet-Crossing Asteroid Survey in 1973

  • moon craters extrapolate to two thousand NEOs bigger than 800 meters
• p100 NEO Asteroid 5496 discovered by Helin in 1973