Inspired by this timeline chart of rocket launches.
The Moon has an impermanent hold on its tenuous atmosphere. Its relatively weak gravity (1.62 m s-2), one sixth of Earth’s, struggles to hold onto the gas species that do exist in its exosphere environment. Though the Moon readily contributes gasses to its exosphere, external forces strip these away into a streaming tail. Fine dust... Continue Reading →
Currently reading Out of this World: The New Field of Space Architecture by A. Scott Howe and Brent Sherwood and wanted to reproduce a chart that they made: I included more instances of historic inhabited spacecraft than the original chart (above), as well as inhabited spacecraft that were docked to each other, combining their habitable... Continue Reading →
I created this map using Tableau several years ago to practice using the software. The data came from the "Catalogue of Manmade Material on the Moon" (pdf) compiled by NASA's History Program Office.
This image of Earth was released today (July 20, 2015), taken by DSCOVR (Deep Space Climate Observatory), the spacecraft formerly known as Triana or GoreSat. (Read the press release here) DSCOVR's primary task is to observe solar wind properties, being positioned at the Sun-Earth L1 Lagrangian point. This new image got me thinking about the... Continue Reading →
In 2013 I wrote the following in response to a call for papers from the National Academy of Sciences on the importance of human spaceflight to the United States, to be submitted to the Committee on Human Spaceflight. The papers were asked to address three main questions: 1) What benefits are provided by human spaceflight... Continue Reading →
Like the monolithic and infallible Weyland-Yutani of the Alien and Predator film/media franchise, modern day spaceflight is reserved for the political superpowers of Earth and the associated mega-corporations that dominate the technologies and capabilities of spaceflight. Low-cost, democratized spaceflight accessible to all citizens of Earth has long been a dream of space pioneers since even... Continue Reading →
“Anything that one man is capable of imagining, other men will be capable of making a reality” – Jules Verne The technological marvel that is the Nautilus from Jules Verne’s “20,000 Leagues Under the Sea” compared to the massive nuclear powered submarines that roam Earth’s oceans today provides an excellent example of a science fiction... Continue Reading →