Nov 17, 2020 | Space Science
There is an ongoing debate pertaining to the question of whether Earth should initiate intentional and powerful radio transmissions to putative extra-terrestrial (ET) civilizations in the hope of attracting ET’s attention. This practice is known as METI...
Nov 17, 2020 | Space Science
On 8 April 1960, astronomer Frank Drake inaugurated a new era in the search for civilizations beyond Earth. Pointing the 85-foot telescope of the National Radio Astronomy Observatory (NRAO) in Green Bank, West Virginia, toward two Sun-like stars in the galactic...
Nov 17, 2020 | Space Development, Space Settlement
A popular analogue used in the space domain is that of historical building projects, notably cathedrals that took decades and in some cases centuries to complete Cathedrals are often taken as archetypes for long-term projects. Author Andreas M. Nein explores the...
Nov 17, 2020 | Mars Missions, Space Transportation
Illustration of a Mars transit habitat and nuclear propulsion system that could one day take astronauts to Mars. Credit: NASA Planning for a manned mission to Mars is on hold due to concerns regarding the health impacts of radiation exposure. Using conventional...
Jun 29, 2020 | Space Agriculture, Space Development, Space Settlement
Illustration: An astronaut in a field of corn. Original image credit: NASA/Sean Smith The Netherlands is the second largest exporter of vegetables in the world, and more than half of its land area is used for agriculture with some greenhouse complexes covering 175...