41–60 of 85 results
Path of Pluto in 2015 (wide field)

Planets

See Pluto in 2015

It’s been a fantastic year for Pluto, and it’s only going to get more so. What better time to make your first (or second!) attempt at spotting the dwarf planet? Read on for a few tips to help you locate this dim object in the summer sky.

Path of Uranus in 2015 (wide field)

Celestial Objects to Observe

Uranus and Neptune in 2015

This article gives directions for finding Uranus and Neptune from June 2015 through March 2016.

Round makes jagged when the light is right

Celestial Objects to Observe

Shadows on the Moon Make a Point

Fooled by shadow play into thinking lunar mountains were pointy pinnacles? Learn why we often see them that way.

View of Saturn through a large backyard telescope

Planets

How to See Saturn at Its Best

Your first view of Saturn with a telescope can introduce you to the riches of stargazing — and now is the perfect time to see Saturn and all it has to offer! [caption id="attachment_255423095" align="alignright

Why is Jupiter's Great Red Spot shrinking?

Celestial News & Events

Jupiter's Not-So-Great Red Spot

Astronomers don't know why Jupiter's iconic Great Red Spot has been gradually shrinking since the 1800s — or why the downsizing has accelerated during the past two years. Update: On May 15th, NASA released newly taken images of the Great Red Spot (at bottom below) to show its declining size…

Planets

Uranus and Neptune in 2014

Uranus and Neptune are easy to find with the aid of the charts in this article.

Celestial Objects to Observe

Jupiter Facts: Big, Bright, and Beautiful

The King of Planets reached opposition in the first half of January but it's still big and bright, a captivating sight no matter how you look at it.

Saturn and its rings

Celestial Objects to Observe

Viewing Saturn: The Planet, Rings and Moons

Viewing Saturn is an old favorite for every telescope user. Here's a guide to seeing all that you can see on the ringed planet.

Planets

A Saturn Almanac

Spectacular Saturn is a perennial favorite of telescope users everywhere. Click here to find printable data on the positions of Saturn's rings and planets.

Celestial Objects to Observe

A Big, Bright, and Beautiful Jupiter

The "King of Planets," which will dominate the evening sky from late 2011 through early 2012, is a captivating sight no matter how you look at it.

Celestial Objects to Observe

Erratum: Jupiter's Moons for May 2008

The Galilean-satellite events published in Sky & Telescope's May 2008 issue are incorrect. Here's the correct listing.

Pro-Am Collaboration

Mercury, Messenger, and Observers

As the first images are released from Messenger's flyby of the innermost planet, previous ground-based observations are proving to be surprisingly accurate.

Planets

Catching the Messenger of the Gods

Mercury is a rewarding challenge for planetary astrophotographers, as this amazing image by Massachusetts amateur John Boudreau demonstrates.

Planets

Finding Uranus and Neptune in 2006

Binoculars and our charts are all you need to spot these twin outer planets.

Celestial Objects to Observe

Phenomena of Jupiter's Moons

Virtually any telescope will show Jupiter's four Galilean satellites and their interesting interactions with the planet or its shadow.

Sketch of Jupiter

Planets

Jupiter: The Ultimate Observing Guide

Viewing the solar system¹s largest planet can be more than fun — even with a modest telescope, you can make observations of lasting scientific value.

Celestial Objects to Observe

Mercury in the Morning

Amateurs are observing this elusive planet more successfully than ever before; try spotting it yourself.

Celestial Objects to Observe

A Mars Record for the Ages

On August 27, 2003, at 9:51 Universal Time, the centers of Earth and Mars will be only 34,646,418 miles apart. Has Mars ever been this close before?

Celestial Objects to Observe

Mars at Its All-Time Finest

Never before in human history has such a golden opportunity to observe the red planet presented itself, so make the most of it with our Mars observing guide for 2003.

Celestial Objects to Observe

The Martian Moons in 2007–08

If you've never spied Mars's two satellites, Phobos and Deimos, the end of 2007 is your best chance for a long time. You'll need a big telescope — and you'll need to know exactly where to look.

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