Several resources from 2019 relate to the concept of "" or the video game EarthNight , including scientific papers, books, and educational materials. Scientific Research & Commentary A previously unrecognized source of the O2cap O sub 2
: Various themed journals were released in 2019, such as the Protect Our Species notebook and dot grid journals designed for bullet journaling. EARTHNIGHT 2019(2019)
: NASA released a visually stunning PDF compilation in late 2019 that pairs iconic satellite imagery with stories about the interaction between science and the wonder of our planet after dark. Several resources from 2019 relate to the concept
: A paper by P.R. Boyce published in Building and Environment (2019) that explores the impacts of nocturnal lighting on the built environment. : A paper by P
: While published later, this work covers the 2012 to 2019 data period , detailing how satellite imagery captures Earth's nocturnal light. Books & Educational Media
: The procedurally generated platformer EarthNight saw its release date trailer and Nintendo Switch announcement at Gamescom in August 2019.