guide to space
What is the Kardashev Scale?
In 1961, Russian-Soviet astrophysicist Nikolai Kardashev published a paper where he introduced the Kardashev Scale, a means of classifying extraterrestrial…
2 years ago
Beyond “Fermi’s Paradox” XI: What is the Transcension Hypothesis
Could it be that the reason we haven't heard from any aliens is because they transcended and aren't interested in…
4 years ago
Beyond “Fermi’s Paradox” III: What is the Great Filter?
In 1996, economist/futurist Robin Hanson proposed a possible resolution to the Fermi Paradox: there's a "Great Filter" that prevents intelligent…
4 years ago
Soviet/Russian Space Missions
Our Guide to Space's official page on Soviet and Russian space missions
5 years ago