- Messier 28 or M28, also known as NGC 6626, is a globular cluster of stars in the center-west of Sagittarius. It was discovered by French astronomer Charles Messier in 1764. He briefly described it as a “nebula containing no star… round, seen with difficulty in 31⁄2-foot telescope; Diam 2′.”
- Inside the guidance system and computer of the Minuteman III nuclear missile (rightto.com)
The Minuteman missile was introduced in 1962 as a key part of America’s nuclear deterrent. The Minuteman III missile is currently the only US land-based intercontinental ballistic missile (ICBM), with 400 missiles ready for launch, spread across five central states.1 The missile contains a precision guidance system, capable of delivering a warhead to a target 13,000 km away (8000 miles) with an accuracy of 200 meters (660 feet).
