Vodka (, ) is a distilled beverage composed primarily of water and ethanol, sometimes with traces of impurities and flavorings. Vodka is made by the distillation of fermented substances such as grains, potatoes, or sometimes fruits or sugar.
Traditionally prepared vodkas had an alcoholic content of 40% by volume. Today, the standard Ukrainian, Polish, Russian, Latvian and Lithuanian vodkas are 40% alcohol by volume (ABV) or 80 proof. The European Union has established a minimum of 37.5% ABV for any "European vodka" to be named as such. For homemade vodkas and distilled beverages referr...
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Kerbal Space Program (commonly abbreviated to KSP) is a sandbox-style space flight simulator with gameplay elements currently in development for Windows, Mac OS X, and Linux. The first public alpha was released on June 24, 2011 and updates have been continually released since. KSP has support for mods, all of which are hosted on an official modding website. It can be purchased through the official KSP Store or, since March 20, 2013, through Steam.
Gameplay
The game places the player in control of a nascent space program operated by Kerbals, a race of small green humanoids, who have co...
In 'From the Earth to the Moon' (1873) by Jules Verne, A huge cannon is used send a spaceship to the moon. A lively discussion in chapter IX leads to using 400,000 pounds of fulminating cotton to launch their ship to the moon.
Two questions;
Does 1,600,000 pounds of powder equal 400,000 poun...
The two Viking landers had an experiment on board where they attempted to find life on the planet. The initial results said yes, there was life, but later there were questions raised about the results. What is the final verdict on the matter?
The correct term for this type of orbit is retrograde. Here's a shiny animated thing showing the orbit:
Due to the difficulty to achieve such an orbit, it is rarely used. Most commonly, artificial satellites using this orbit are commercial earth-observing satellites.
Some satellites which use...
The Global Positioning System (GPS) is a space-based satellite navigation system that provides location and time information in all weather conditions, anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites. The system provides critical capabilities to military, civil and commercial users around the world. It is maintained by the United States government and is freely accessible to anyone with a GPS receiver.
The GPS project was developed in 1973 to overcome the limitations of previous navigation systems, integrating ideas from s...
