Galaxies | Page 6 of 64 | Astronomy.com

The Cocoon Nebula (IC 5146) is a reflection and emission nebula that lies 4,000 light-years away in Cygnus. The author captured this image with HαRGB filters and exposures of six, three, three, and three hours, respectively.

Telescopes and Equipment

Review: The amazing Stellarvue 180mm refractor

NGC 4565, the Needle Galaxy, was imaged with a ZWO ASI294MC Pro on a Takahashi FSQ-106N with 18 hours and 50 minutes of exposure.

Deep-Sky Objects, Observing Basics

Here are a few targets Messier missed that are worth a visit

An artist's depiction of the rotation of hydrogen in a galaxy shows a round collection of colors to indicate the position of gases relative to the observer.

Galaxies, Science

Astronomers accidentally find a galaxy that hasn’t birthed any stars

Vaonis’ Vespera is a portable smart scope that can be used for night — or day — sky viewing.

Telescopes and Equipment

Vaonis’ Vespera smart scope reviewed

An artist’s representation of quasar J059-4351

This quasar eats one Sun a day for breakfast

Galaxies, Science

Scientists imaged the oddball ‘train-wreck galaxy’ known as NGC 4753

Exotic Objects, Galaxies, Science

Scientists discover 12 star-gobbling black holes shining in infrared light

Rosette Nebula

Deep-Sky Objects

Large deep-sky objects to catch each season

OSIRIS-REx’s TAGSAM sample collector

Top 10 space stories of 2023

A composite showing 19 JWST photos of spiral galaxies.

Galaxies, Science

See the 19 latest awe-inspiring spiral galaxy images from the JWST

Galaxies, Milky Way, Science

How we found the Milky Way’s bar: This Week in Astronomy with Dave Eicher

Much of the mass in the El Gordo galaxy cluster is actually dark matter, shown here artificially colorized in blue. Scientists determined the location and concentration of the cluster’s dark matter by observing how its mass distorted the light from distant galaxies behind the cluster. Credit: NASA, ESA, and J. Jee (University of California, Davis).

Cosmology, Science

Ask Astro: If dark matter is invisible, then how do we detect it?