Magazine | Page 14 of 281 | Astronomy.com

The makeup of the universe

Are the percentages of dark matter and dark energy stable?

Credit: NASA/JPL-Caltech.

Exotic Objects, Galaxies

How does a black hole get to the center of a galaxy, and does the galaxy revolve around it?

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

Is Earth the only Goldilocks planet?

Albireo

Why are there no green stars?

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

During the dry season at Botswana’s Makgadikgadi salt pan, temperature inversions lead to all manner of mirages.

Observing, The Sun

Secret Sky: Tropical Novaya Zemlya effects

Mercury during 2023

Sky This Month: March 2024

These are the ways our world will end

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

Polaris lights up the Little Bear in the north.

Deep-Sky Objects

Binocular Universe: Northward bound

Countless people find astronomy fun, and for many good reasons.

Strange Universe: Celestial fun