Rafael Carrillo·1d agoHow going to space has become cheaper?As the number of launches increases, the cost per launch decreases. Imagine you save up $300 and buy yourself a nice pair of shoes. If you…
Omar V. Ferro·1d agoA Crewed Mission to Mercury: The Nearby Planet With an Astronomical Price TagA realistic look at the spacecraft, orbital maneuvers, fuel demands, radiation risks, and staggering costs of sending astronauts to…
Omar V. Ferro·3d agoWhy Are There So Few Missions to Mercury?Mercury is Earth’s closest planet on average; but extreme heat, challenging orbital mechanics, and years-long journeys make missions there…
Stephen Ford·4d agoNothing to justify heroic efforts to preserve HumanityThere is nothing special about the human species that justifies heroic efforts to preserve it, least of all moving on from Earth.A response icon1A response icon1
Dmitry Ryzhikh·6d agoWe Just Solved the FTL Navigation Paradox — And It Doesn’t Require Breaking RelativityFor decades, the Alcubierre warp drive has been treated as a beautiful mathematical pipe dream. A sci-fi trope wrapped in general…
Atahan Aslan·6d agoWhat Is a Light Year? How Far Does Light Travel in One Year?Light year is not just walkable distance.
Vanshraj sinh·Oct 22WHAT’S UP WITH RELATIVITYThe universe has a hidden playbook and its rules are sometimes backwards. In our world a meter is a meter and a second is a second, but if…A response icon4A response icon4
InFourth WavebyAmy Sterling Casil·Oct 22Look At Us! Up From the Gutter On The Way to the StarsThe sci-fi future is here: an explainer for non-sci-fi peopleA response icon4A response icon4
InWord by Word: An Author’s JourneybyJonathan Scott Griffin·Oct 22Haven 7 Ch2This is chapter two of Haven 7. To read chapter one first, click here.
