I was looking forward to writing a tribute to clear summer skies and great summer stargazing in the Pacific Northwest.

Text and photos by Michael J. Meyer Anyone who has visited Ocracoke Island knows how special it is: from stunning sunsets to magnificent views of the Milky Way on a moonless night after a cold ...

The moon is most directly north of the planet’s pole at about 9:20 P.M. CDT. Note that this event is best seen in the Central time zone of the U.S. — Jupiter is setting for East Coast ...

Drawing still eclipsed photography as the tool of lunar observation until the end of the 19th century due to the challenges of capturing the Moon — because it was so far away and because it ...

Elsewhere in the Solar System, Earth has just one moon, Mars has two, Uranus has 28, and Neptune has 16. Altogether, they have 142 moons—Saturn is just 10 moons short of having twice that number.

We crashed a spacecraft into an asteroid’s moon in 2022. Earth has had a few mini-moons, some only a couple of metres in size. The line of what is and isn’t a moon is a bit hazy.

Galileo's drawing of the solar system. Florence, 1611. The exhibit Galileo and His Ingenious Discoveries, is previewed at the Perimeter Institute for Theoretical Physics on Feb. 4. The drawings ...

Galileo made illustrations of the Moon at the start of the 17th century, competently displaying the textures and shadows that he saw through the telescope. The English astronomer Thomas Harriot also ...

German astronomer Simon Marius is best remembered for his disputes with Galileo Galilei over priority for discovering Jupiter’s four major moons. This, despite the fact that Marius definitely ...

Io, discovered by Galileo Galilei in 1610, is the most volcanic body in our solar system. NASA's Juno spacecraft continues to explore Jupiter and its moons to reveal important information.

While the King of Planets has a coterie of 95 known moons, only the four large moons that Galileo originally observed in 1610 – Io, Europa, Ganymede, and Calisto – can be easily observed by ...