Geocentric model by Bartolomeu Velho in 1568. The study of astronomy has come a long way…
Category: Astro Blog
Astro Blog
Brightest Part of the Eastern Veil Nebula
NGC 6992 in the Eastern Veil Nebula. Credit: Hunter Wilson. License: CC BY-SA 3.0. NGC 6992,…
How to Use a Planisphere
A planisphere. Credit: Diego Rodriguez. License: CC BY-SA 3.0. Looking to explore the night sky but…
A Glimpse into the Barred Spiral Galaxy
NGC 2903 spiral galaxy using 32 inch Schulman telescope on Mt. Lemmon, AZ. Credit: Joseph D.…
What Is a Bok Globule
Barnard 68 is one of the nearest Bok globules at a distance of 410 light-years. Credit…
NGC 7822: A Cosmic Question Mark
NGC 7822 Nebula. Credit: Ram Samudrala. License: CC BY 4.0. NGC 7822, a stunning and awe-inspiring…
Exploring the Mysteries of Brown Dwarf Atmospheres
Artist’s concept of a T-type brown dwarf with a turbulent atmosphere. (Brown dwarf 2MASSJ22282889-431026.) Credit: NASA/JPL-Caltech.…
Stargazing Calendar for December 2023
The Orion Nebula in a composite image of visible light and infrared taken by the Hubble…
NGC 6960 – The Witch’s Broom Nebula
NGC 6960: The Witch’s Broom Nebula. Image credit: T. A. Rector (U. Alaska), WIYN, NOAO, AURA,…
What Is the Extragalactic Background Light and Why Does It Matter
Survey of the sky at energies above 1 GeV, collected by the Fermi Gamma-ray Space Telescope…