2441–2460 of 3,285 results
Neutron star collision

Astronomy Questions & Answers

The Kavli Foundation Q&A: How Did Nature's Heaviest Elements Form?

The Kavli Foundation hosted a Q&A with three astronomers to probe the recent discovery of hard-to-produce heavy elements in a nearby dwarf galaxy. The discovery sheds light on stellar histories and galactic evolution.

Mars and company on May 20-22, 2016

Press Releases

Mars: Closest, Biggest, and Brightest in a Decade

Mars shines low in the southeast at nightfall, closer to Earth than it has been since November 2005. A Sky & Telescope press release.

2006 Mercury transit close-up

Press Releases

May 9th's Transit of Mercury: How and When to See It

Use a telescope to spot Mercury's silhouette crossing the Sun's disk on May 9th for the first time since 2006. View it live using S&T's exclusive webcast.

Alan Stern at NEAF 2016

People, Places, and Events

At the 25th Northeast Astronomy Forum

The editors of Sky & Telescope made our annual pilgrimage to last weekend’s Northeast Astronomy Forum. Here are our tales of the voyage to Pluto, the newest gadgets, and encouraging encounters with readers.

NEAF Talks

Fred Espenak: Great American Eclipse of 2017

Get ready for the great American eclipse of 2017 with expert advice from "Mr. Eclipse", Fred Espenak.

NEAF Talks

Alan Stern: The Exploration of Pluto

Alan Stern discusses the New Horizons flyby of Pluto in July 2015 and what ongoing analysis continues to reveal about this fascinating world.

NEAF Talks

Hans Koenigsmann: SpaceX, Exploration through Innovation

Hans Koenigsmann, the Vice President of Flight Reliability for SpaceX, talks about current and near-future space travel.

NEAF Talks

Alice Bowman: Reaching for New Horizons

New Horizons Missions Operations Manager Alice Bowman talks about the spacecraft's historic voyage to Pluto and beyond.

NEAF Talks

David Shoemaker: The Confirmation of Gravitational Waves

Dr. David Shoemaker discusses the groundbreaking observation of gravitational waves in September 2015 and the future of gravitational wave astronomy.

NEAF Talks

Bernard Kutter: Enabling a Robust Space Economy

Where are the space highways of tomorrow? What technology leaps will open cislunar space to commercial development? ULA's Bernard Kutter talks about the path toward a space economy.

Telescopic view of Comet 252P/LINEAR

Press Releases

Comet 252P/LINEAR Soars Into Predawn View This Week

A nearby comet is moving into view for Northern Hemisphere skywatchers. Despite bright moonlight nearby, you can try to spot it with binoculars and Sky & Telescope's exclusive finder chart.

Multiple Views of the Sun

Pro-Am Collaboration

Citizen Science for the Great American Solar Eclipse

Solar scientists hope an armada of amateur astrophotographers can record the inner corona’s evolution throughout the 2017 total solar eclipse.

Transition disk around a star

Resources and Education

Kavli Q&A: How Do Planets Form?

Learn how powerful new telescopes and techniques are enabling scientists to probe planets in the earliest stages of development.

Resources and Education

Ripple Effect: Gravitational Waves Begin to Reveal a Hidden Universe

To mark the start of a new era of astronomy, three principal LIGO researchers speak with The Kavli Foundation on their epic discovery and how it will transform the way we see the cosmos.

Uranus before and after AO

Sky & Telescope Magazine

Adaptive Optics: Before and After

To expand on the feature article on adaptive optics in our May 2016 issue, we're including here a full gallery of before-and-after images. The effect of the technology is immediately visible - and astounding.

Space warp

Citizen Science: Projects & Collaboration

The Kavli Foundation Q&A: How Does Citizen Science Drive Discovery?

Crowd-sourcing the universe: Thanks to online portals, legions of volunteer astronomers are turning their eyes to the sky and doing extraordinary science. Three scientists discuss the future of citizen astronomy.

LighTrack II Mount

Equipment: Guides & Recommendations

LighTrack II Portable Camera Tracking Head

Fornax Mounts announces the LighTrack II, a portable camera tracking head for nightscape astrophotography.

Alson Wong's total eclipse photo

The 2017 Total Solar Eclipse

Get Ready for America's Coast-to-Coast Total Solar Eclipse in 2017

Where will you be on August 21, 2017 - when a total solar eclipse will be seen from Oregon to South Carolina? Find out what you need to know now to start planning for the big event.

Vixen Optics Eyepieces

Equipment: Guides & Recommendations

Vixen Optics Ultra Wide Eyepieces

The SSW Ultra Wide Eyepiece series ($349 each) provides an expansive 83° apparent field of view with eye relief of 13 mm.

How to see 5 planets at once

Press Releases

How and When to See Five Planets at Once

During the next two weeks, for the first time in 11 years, you can see all of the naked-eye planets — from Mercury to Saturn — together in the predawn sky.

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