Why Rockets Use Stages

Reboots and remakes may be all the rage in Hollywood with mixed degrees of success (we don’t talk about the Nightmare on Elm Street reboot … ever), but they aren’t so popular in other forms of art such as painting. However, a recent cosmic rework of one of art’s most well-regarded pieces could be just…

https://preview.redd.it/xwdad90rkwch1.png?width=976&format=png&auto=webp&s=06bf0c448f7b0eeae71efe061b47c96a8c012da6 Notice the regular grid like texture of the shadow cast by the tree above me. compare that with my solid shadow. It is a maple tree, and its leaves are shaped nighing like this texture. Any ideas? Heres the tree and the streetlamp casting the shadow: https://preview.redd.it/xsann26blwch1.png?width=976&format=png&auto=webp&s=1b173dbdeb100ef097821dd6e375c4d391f74169 submitted by /u/ThumpinGlassDrops [comments]

When SpaceX’s Starship lifted off from the Texas coast in the summer of 2023, it marked a milestone that aerospace engineers had discussed for decades but few expected to witness so soon. The towering stainless steel rocket, standing taller than a 30 story building, ignited all 33 of its engines and climbed into the sky….

Scientists led by UC San Diego’s Scripps Institution of Oceanography are warning that oxygen is disappearing rapidly from oceans and freshwater systems, potentially pushing the planet into an “unsafe space.” Some of the resulting changes could persist for centuries and may not be reversible within human lifetimes. The new review examines aquatic deoxygenation, which refers…

The Republic of Mauritius has officially joined the global coalition committed to responsible space exploration, becoming the newest signatory and seventh African country to join the Artemis Accords. NASA’s Deputy Administrator Matt Anderson contributed video remarks for a signing ceremony on Friday, in the island nation’s city of Ébène. “We are honored to welcome Mauritius…

WASHINGTON — NASA and Draper have terminated plans for a lunar lander mission after significant delays in development of the spacecraft. NASA and Draper have mutually agreed to terminate a task order awarded to Draper in July 2022 as part of the Commercial Lunar Payload Services program, or CLPS. The task order, designated CP-12, was…