A Chad, in internet slang, is generally a sexually active "alpha male". The term has a history of being used by incels and other manosphere groups, though it has also become a slang term across the internet and among adolescents in general to refer to particularly attractive or confident males.
New Horizons is the first mission in NASA's New Frontiers mission category, larger and more expensive than the Discovery missions but smaller than the Flagship Program. The cost of the mission (including spacecraft and instrument development, launch vehicle, mission operations, data analysis, and education/public outreach) is approximately $700 million over 15 years (2001–2016).
The Artemis Project was a private spaceflight venture to establish a permanent, self-supporting base on the Moon by 2002. It was named after Artemis, the goddess of the hunt, in some myths the moon, and twin sister of Apollo (a reference to the Apollo project).