Cosmic Wave

#astronomy

Exploring the Open Star Cluster Messier 21

Explore the open star cluster Messier 21 (NGC 6531) in the constellation Sagittarius, discovered by Charles Messier in 1764, and learn about its characteristics, observation tips, and significance in astronomy.

Elena Marsh·7 min read·7/10/2026

Exploring the Connection Between X-Ray Dots and Active Galactic Nuclei

Recent studies suggest that _Little Red Dots_ may be primordial active galactic nuclei fueled by supermassive black holes, with the _X-Ray Dot_ serving as a potential bridge between these two phenomena.

Elena Marsh·3 min read·7/9/2026

ESA's Euclid Space Telescope Discovers Distant Quasars at Record Distances

The ESA's Euclid space telescope has opened a new chapter in the exploration of early quasars and their host galaxies, revealing significant findings about supermassive black holes.

Elena Marsh·7 min read·7/9/2026

Stunning Insights into Active Galaxy Centaurus A from James Webb Space Telescope

New images from the James Webb Space Telescope reveal the active galaxy Centaurus A in unprecedented detail, showcasing its complex structures and dynamic star formation.

Elena Marsh·6 min read·7/8/2026

3I/ATLAS: A Glimpse into an Ancient Solar System

Astronomers have used the Very Large Telescope to analyze 3I/ATLAS, the brightest interstellar object, suggesting it originates from an ancient solar system.

Victor Hale·4 min read·7/7/2026

Exploring Celestial Conjunctions: Worth the Wake-Up Call?

Discover the celestial conjunctions occurring in July, their visibility, and the best times for observation. This guide helps distinguish between visually appealing events and those worth your time.

Elena Marsh·7 min read·7/6/2026

Webb Telescope Sheds Light on Exoplanet WD 1856 b Orbiting a White Dwarf

An international team of astronomers has observed the exoplanet WD 1856 b with the James Webb Space Telescope, revealing its mass, temperature, and atmosphere. This research provides insights into the future of planets like Jupiter after the sun's demise.

Victor Hale·7 min read·7/6/2026

How to Exaggerate a Problem of Disarming Banality

Explore how to exaggerate a trivial problem in the context of space exploration and astronomy.

Victor Hale·1 min read·7/4/2026

space

The Spherical Trigonometry of Temporal Hours

Access or register to continue reading. The content you are trying to view is reserved for registered users. Log in with your Coelum Astronomia account or register on the site.

Elena Marsh·1 min read·7/4/2026

space

SUPERNOVA 1998bu IN NGC 3368

Supernova 1998bu in NGC 3368 is a significant astronomical event that aids in understanding the universe's expansion and stellar evolution.

Victor Hale·2 min read·7/3/2026

Night Sky in Danger: Satellite Flood Threatens Astronomy

A new study by the European Southern Observatory (ESO) reveals that plans to place over 1.7 million satellites in Earth orbit could have devastating effects on astronomy, highlighting the need for stricter regulations.

Elena Marsh·8 min read·7/2/2026

The Night Sky in July 2026 - Spreewald-Spechtler

The Moon's path in July 2026 includes significant events such as its encounter with Saturn and the visibility of various planets including Venus and Mars. Discover the celestial highlights of the month.

Victor Hale·10 min read·6/30/2026