Quick answer: Al-Farghani (Latinized Alfraganus) was a 9th-century astronomer of the Islamic Golden Age. Working in Abbasid Baghdad, he wrote the Elements of Astronomy — the clear summary of Ptolemy's...
Light pollution astrophotography is the craft of capturing deep-sky images from skies washed out by artificial light—and yes, it genuinely works. Most astrophotographers...
Astronomers deserve a lot more spotlight for what they provide to Mankind. Stellar Noamds is dedicated to showcasing who they are and their respective contribution to humanity's advancement.
Quick answer: Henrietta Swan Leavitt (1868–1921) was an American astronomer who discovered how to measure distances across the universe. Working at Harvard, she...
Quick answer: Vera Rubin (1928–2016) was an American astronomer who found the first convincing observational evidence for dark matter. By measuring how stars...
Quick answer: Hypatia of Alexandria (c. 350–415 AD) was a Greek mathematician, astronomer and philosopher who led the Neoplatonic school in Roman Egypt...
Backlash is the free play in a telescope mount's gears that smears stars whenever the drive reverses direction. Here's how to diagnose it and fix it for good.
Quick answer: There are four main galaxy types — spiral, elliptical, lenticular and irregular — first organised by Edwin Hubble in 1926. Spirals have graceful arms, ellipticals are smooth balls...