1101–1120 of 2,482 results

Astronomical Tools

Satellite Tracking Tool: Track the ISS & Hubble

The International Space Station passes over virtually all of Earth's populated areas, and you can spot it easily with your eyes alone — if you know where and when to look for it.

Astronomical Tools

Satellite Transit Tool: Spot ISS Transits of the Sun and Moon

The International Space Station often passes close to the Moon, Sun, and naked-eye planets. Use this tool to plan viewing these close encounters.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, August 25 – September 2

Look low in the west in twilight for the waxing crescent Moon. It forms a triangle with Jupiter and Spica below it.

Stargazer's Corner: Adventures Under the Night Sky

Low-Tech Astrophotography: Game Boy Camera

Inspired by his love of astronomy and struck by the unique ways in which the Game Boy Camera had been harnessed, Alex Pietrow took to the internet to see what photos of space it had taken. When he found none, he took his own.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, August 18 – 26

The Milky Way runs from Sagittarius in the south, up and left across Aquila and the Summer Triangle very high in the east, and down through Cassiopeia to Perseus low in the north-northeast.

Celestial Objects to Observe

Solar Eclipse Activities for Kids and Families

Enrich the eclipse experience — especially the long, partial phases — with solar eclipse activities for the young and young at heart.

The 2017 Total Solar Eclipse

Will Monday's Total Eclipse Change Your Life?

Total eclipses have the power to touch us deeply and reverberate through our life in unexpected ways.

The 2017 Total Solar Eclipse

2017's Solar Eclipse for the Rest of Us

Totality watchers get the best show, but a far greater number of people will be in partial eclipse territory. Here's how to make the most of it.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, August 11 – 19

The Perseid meteor shower should be at its maximum late Friday and Saturday nights, August 11-12 and 12-13.

Colorful Perseid fireball

Observing

The Perseids: Big Eclipse's Opening Act

The upcoming total solar eclipse is understandably getting a lot of attention, but don't overlook the trusty Perseids. They'll be getting things warmed up Saturday night.

Celestial Objects to Observe

A Compact, Lightweight Solar Projection Viewer

Learn how to make a travel-friendly solar projection viewer for your telescope for the next total solar eclipse!

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, August 4 – 12

Saturn glows in the south at nightfall. Fiery Antares, less bright, twinkles 13° to Saturn's lower right.

The 2017 Total Solar Eclipse

Total Solar Eclipse: All-Sky Maps

Wondering what you'll see during the total solar eclipse on August 21st? Use our all-sky maps to figure it out!

Observing

August 7th's Partial Lunar Eclipse

Two weeks before the much-awaited solar eclipse, the Moon clips Earth's umbra to create a partial lunar eclipse visible from the Eastern Hemisphere.

Observing

Honey, Let's Start Seeing Other Satellites

Sometimes it's better to start big and go small. Let the space station be your first step into the wider world of satellite watchin

Celestial Objects to Observe

AAS's Advice for Safe Solar-Eclipse Viewing

Due to alarming reports of potentially unsafe eclipse viewers as eclipse day approaches, the American Astronomical Society has revised its safety advice.

Moon and Jupiter in late August

Sky Tour Astronomy Podcast

Tour August's Sky: Jupiter & Saturn Shine

There's more to look for this month than the solar eclipse. As you'll discover in August's astronomy podcast, Jupiter and Saturn are easy to spot in the evening sky.

Celestial Objects to Observe

Low-Tech Eclipse Viewing

What to do if you're caught without optics on eclipse day. Low-tech eclipse viewing options from pinhole to binocular projection.

People, Places, and Events

Star Party Season

Summer means star parties, and star parties mean fun. Read about my adventures at the annual Cherry Springs and Table Mountain gatherings.

Observing

Summer Highlights: Nebulae and Clusters

Warm nights and dark skies this summer are ideal for enjoying these classic beauties.