Science
fromMail Online
14 hours agoMusk and Bezos' moon landers in 250-mile-high contest for NASA landing
Elon Musk's SpaceX and Jeff Bezos' Blue Origin are competing for a NASA moon landing contract during the Artemis III mission.
Impulse Space, founded in 2021 by former SpaceX co-founder Tom Mueller, is an up and coming player in the wacky world of space tugs, more professionally known as 'orbital transfer vehicles.' OTVs are satellites designed to carry spaceborn cargo to various orbits.
Tritium is a hydrogen isotope with a half-life of 12.3 years. As it decays, beta particles strike a phosphor coating and produce light. The process requires no electricity, no chemical reaction, and no external energy. It simply happens, continuously, for decades.