Raymond Shubinski, Author at Astronomy.com

A double rainbow seen from Saguaro National Park in Tucson, Arizona, features a bright primary and a faint secondary as a companion. In the foreground are giant saguaro cacti.

Explore the science of rainbows

E: Time’s Telescope was an almanac published in London from 1814 to 1834.

The history of astronomical almanacs

Astrophotography, Telescopes and Equipment

Unistellar eQuinox 2 smart telescope review

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

A woman using the Unistellar app on a device to operate the Unistellar eQuinox 2 telescope.

Telescopes and Equipment

The Unistellar eQuinox 2 scope reviewed

A spectacle of sparkling stars and shining planets dance in hues of yellow, orange, and blue, as if creating a painting made by nature during the transition from civil twilight to nautical twilight.

Discover the three kinds of twilight

Top 10 astronomy books of all time

Unlocking the mystery of comets

Earth’s greatest hits: A history of asteroid impacts

Ewen Whitaker and William Hartmann (pictured), and others produced a lunar atlas of “rectified” images. Since no craft had yet orbited the Moon, photographs of the Moon from Earth were projected onto a globe, which was then photographed from different angles. This technique eliminated the effects of foreshortening, and craters that appeared distorted and elliptical near the Moon’s limb were rendered circular on the resulting maps. Credit: University of Arizona/Lunar and Planetary Laboratory

Science, Solar System

Humans throughout history have sought to map our Moon

Cosmic fossils: What meteorites reveal about our solar system

Check out these classic sky guides