Al-Farghani (Alfraganus): The Astronomer Who Taught Europe the Sky (2026)

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...

Voyager 1: Humanity’s Farthest Spacecraft (2026)

Quick answer: Voyager 1 is the farthest human-made object from Earth. Launched by NASA on September 5, 1977, it flew past Jupiter...

Vera Rubin: The Astronomer Who Proved Dark Matter (2026)

Quick answer: Vera Rubin (1928–2016) was an American astronomer who found the first convincing observational evidence for...

Hypatia of Alexandria: Astronomer and Mathematician

Quick answer: Hypatia of Alexandria (c. 350–415 AD) was a Greek mathematician, astronomer and philosopher who led...

Richard Feynman: The Great Explainer of Physics (2026)

Quick answer: Richard Feynman (1918–1988) was an American theoretical physicist who shared the 1965 Nobel Prize in...

Albert Einstein: How Relativity Remade Astronomy (2026)

Quick answer: Albert Einstein (1879–1955) was a German-born theoretical physicist who transformed our understanding of space, time,...

Astrophotography

We share our knowledge, accumulated throughout the years, to teach you the best techniques.

Galaxy Types: A Stargazer’s Guide to the Shapes in the Sky

Quick answer: There are four main galaxy types — spiral, elliptical, lenticular and irregular — first organised by Edwin Hubble in 1926. Spirals...

Light Pollution Astrophotography: How to Beat City Skyglow

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...

Best Pixel Scale Explainer (arcsec/pixel) — 2026 Beginner’s Guide

Quick answer: Pixel scale is how much sky each camera pixel covers, in arcseconds per pixel. Compute it as pixel size (µm) ×...

Men & Women in Astronomy

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.

Henrietta Swan Leavitt: Measuring the Universe (2026)

Quick answer: Henrietta Swan Leavitt (1868–1921) was an American astronomer who discovered how to measure distances across the universe. Working at Harvard, she...

Vera Rubin: The Astronomer Who Proved Dark Matter (2026)

Quick answer: Vera Rubin (1928–2016) was an American astronomer who found the first convincing observational evidence for dark matter. By measuring how stars...

Hypatia of Alexandria: Astronomer and Mathematician

Quick answer: Hypatia of Alexandria (c. 350–415 AD) was a Greek mathematician, astronomer and philosopher who led the Neoplatonic school in Roman Egypt...

Latest Posts

It was half past six and the hands were quietly moving forwards.

What Is a Nebula? A Stargazer’s Guide to the Clouds That Build Stars

A clear guide to what a nebula is — the types, how they form, famous examples, and how astrophotographers capture these cosmic clouds of gas and dust.

What Happens If an Asteroid Hits Earth?

The thought of an asteroid hitting Earth sounds like the plot of a disaster movie, but in...

Where Is Voyager 1 Now? Its Current Distance, Speed & Status

Quick answer: Where is Voyager 1 now? As of 2026, NASA's Voyager 1 is coasting through interstellar space more than 25 billion kilometers (about 15.5 billion miles) from Earth —...

Types of Astronomy: A Guide to Every Branch of the Science

The types of astronomy are the many different ways scientists study the universe — and there are...

Professional Telescopes: Inside the World’s Great Observatories

Professional telescopes are the largest, most powerful eyes humanity has ever built — giant research instruments, 8...

Telescope Mounts: The Complete Guide to Every Type

Telescope mounts are the most overlooked part of any setup — and the part that decides whether...

Light Pollution Astrophotography: How to Beat City Skyglow

Light pollution astrophotography is the craft of capturing deep-sky images from skies washed out by artificial light—and...

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