---

Information resources:

• Astronomy and space
  • Asteroids with satellites

• Physics (including space physics)

• Relativistic physics
  • beginning of A brief discussion of general relativity

• Environmental topics

• Nuclear weapons
  • Nuclear tests--databases and other material
  • Database of radiological incidents and related events

• Terrorism, counterterrorism, and unconventional warfare

• Other policy issues
  • Abortion statistics

• Other information resources (including student resources)

• Geysers

• Resources on Baptist issues
  • Southern Baptist issues and documents
  • Data on Southern Baptists

---

Miscellaneous:

• Space art
  • Terragen scenery
  • Terragen scenery using USGS data

• Star Trek

• Reading picks

• Photo album
  • A photo album of churches

---

• What's new
  • What's new in 2025 Part 2
• Topical index
• News
• Visits by country

• About me
• In my humble opinion
• FAQ on use of material from this site
• Family and friends

---

837,358 hits in September 2025
over 153,015,000 hits to date!

Banner image: taken by Galileo in 1992 (credit: NASA/USGS).

Comments? Questions? Corrections? Contact me.

Last modified 22 October 2025.
Copyright © 2001-2024, 2025 by Wm. Robert Johnston. All rights reserved.