141–160 of 521 results

Orbital Path Podcasts with Michelle Thaller

Orbital Path Podcast: Holy Sheet!

Join host Michelle Thaller as she learns about the IceBridge mission and the scientific discoveries it is making in the latest installment of Orbital Path Podcast

Astronomy Questions & Answers

Sky & Telescope Answers Your Eclipse Questions: Part II

A few weeks ago we took to Twitter and Facebook to find out what questions you wanted answered about the August 21st Total Solar Eclipse. Now we're back with Part II of the answers!

The 2017 Total Solar Eclipse

10 Things You Might Forget You Need on Eclipse Day

So you think you’re prepared for your eclipse viewing experience. But may I submit, dear reader, that you might have forgotten to pack a few things...

Astronomy Questions & Answers

Sky & Telescope Answers Your Eclipse Questions

A few weeks ago we took to Twitter and Facebook to find out what questions you wanted answered about the August 21st Total Solar Eclipse. Now we're back with the answers!

Resources and Education

Stargazing Simplified: What to See in the Night Sky

Learn some of the classic stargazing sights that can be best viewed through a smaller telescope.

Astronomy Questions & Answers

The Kavli Foundation Q&A: Do Globular Clusters Generate Black Holes?

Much to their surprise, scientists are finding dozens of black holes deep within densely packed collections of stars called globular clusters. Astrophysicists are using a record-breaking computer simulation to learn their secrets, including whether the clusters gave rise to recently observed ripples in space-time.

The 2017 Total Solar Eclipse

2017 Eclipse Resources

With all the interest in August’s sky spectacular, it’s no surprise that you can find lots of great information about solar eclipses. Here are some favorite resources chosen by the editors of Sky & Telescope magazine: Books About Eclipses In the Shadow of the Moon: The Science, Magic, and Mystery…

Smartphone polar alignment

Astrophotography: Tips & Techniques

Daylight Polar Alignment Made Easy

Try this easy technique to roughly polar-align your telescope mount during the day using your smartphone and a planetarium app.

Albert Einstein & James Clerk Maxwell

The 2017 Total Solar Eclipse

"Lights All Askew:" How a Solar Eclipse Made Einstein Famous

Why are some scientists world-famous but not others? Narrative, even one as simple as "starlight bends," turns out to be a powerful tool for making sense of science. In 1905 Albert Einstein published four papers that transformed our understanding of light, atoms, space, time, and energy. The world took no…

Astrophotography: Tips & Techniques

How to Remove Light Pollution from Your Astro Images

Find out how to remove light pollution from your astrophotos so you can have dark skies instead of red-brown ones.

Orbital Path Podcasts with Michelle Thaller

Orbital Path Podcast: Making Gravitational Waves

The universe sings to us in gravitational waves, and we're starting to listen. Michelle Thaller discusses the discovery of gravitational waves and their unusual effects in her latest astronomy podcast.

Messier Observer's Planisphere

Stargazing Basics

Learn Constellations with a Planisphere

How do you find out what stars are visible tonight? With a planisphere or "star wheel." It's easy!

Astrophotography: Tips & Techniques

How to White Balance Your Astrophotos

You'll capture the night sky as it truly looks when you learn how to establish a proper white balance in your DSLR astrophotos.

Earth on October 19, 2015

Orbital Path Podcasts with Michelle Thaller

Orbital Path Podcast: Lessons in Landslides

Earth is a planet, too! Dr. Michelle Thaller explores how NASA investigates Earth using space-based satellites, and how that knowledge can save lives.

A Restless Supermassive Black Hole

Astronomy Questions & Answers

The Kavli Foundation Q&A: How Did the First Quasars Form?

Thanks to a record haul of new, ultra-distant quasars—powerhouses of light from the farthest reaches of the universe—astrophysicists can now piece together the rise of mighty objects in the early cosmos.

Orbital Path Podcasts with Michelle Thaller

Orbital Path Podcast: Space Robots to Europa!

Dr. Michelle Thaller talks to two NASA astrobiologists on when and how we'll explore Europa's subsurface ocean, and what we might find there.

Gemini on Sky Atlas 2000.0

Stargazing Basics

How to Use a Star Chart with a Telescope

Here's what you need to know to navigate the heavens with a telescope and star atlas.

Astrophotography: Tips & Techniques

Removing Purple Star Halos

Purple halos around stars can be a problem when shooting with inexpensive camera lenses and telescopes. Here's how to fix them.

Astrophotography: Tips & Techniques

Why and How to Dither Your Astro Images

In astrophotography, to dither means to shift the pointing of the telescope slightly in random directions between exposures. Here's how it works, and why you should use it.

Earth on October 19, 2015

Orbital Path Podcasts with Michelle Thaller

Orbital Path Podcast: Averting Disaster in the Ozone Layer

Dr. Michelle Thaller explores the story of how scientists discovered that the ozone layer was disappearing and how they moved to save it — and avert catastrophe.