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An astronomy site with more than 200 000 visits from the date of creation. A lot of observations (many unique), pictures and videos especially about the Sun in h-alpha wavelength and the planets of the solar system. ISS high resolution tracking is developed too ! A place is reserved for 3D experiences and pictures including original approaches like the single-mirror and W3BPS systems ...
From general relativity we know that only in local inertial frames does the measured speed of light equals the nominal speed of light (299792.458km/sec).
Moonsighting, islamic calendar, prayer times, and qibla direction
This blog is usefull for those people who actually want to know the science facts.
Planets, science, refrencess
Wcs is a software for fast polaralignment of astronomical mounts. you nail your alignment within 20 minutes!
Its description about the facts of expansion and creation of the universe
The unique website devoted to real and pure arabic magic and astrology to assisting and training people just like you in the craft of white magic. we also offer many services to the seekers of ...