The nearest stars to Earth are three stars that lie about 4.37 light-years away in the Alpha Centauri triple-star system.
The closest of these stars, Proxima Centauri, is just about 4.24 light-years away. (for reference, one light-year is approximately equivalent to 5.88 trillion miles (9.46 trillion kilometers))..
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Aristarchus of Samos (310-230 BC) Aristarchus of Samos was an ancient Greek mathematician and astronomer that is credited with having created the first-known map of our solar system, which placed the Sun at the center and Earth as a planet revolving the Sun..
Astronomers have assembled star catalogues that identify the known stars and provide standardized stellar designations.
The observable universe contains an estimated 1022 to 1024 stars.
Only about 4,000 of these stars are visible to the naked eye—all within the Milky Way galaxy..
The first documented records of systematic astronomical observations date back to the Assyro-Babylonians around 1000 BCE.
From this cradle of civilisation in Mesopotamia – in the southern part of present-day Iraq – astronomers had built up knowledge of the celestial bodies and recorded their periodic motions..
2011 studio album by Dragonland
Under the Grey Banner is the fifth studio album by Swedish power metal band Dragonland.The album was released on 13 November 2011.This is the third part of the Dragonland Chronicles saga.Damian Bajowski created the cover artwork for this chapter of the Dragonland saga.
