2021 Sky Almanac


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This year offers up some beautiful skywatching treats, including two good lunar eclipses and several planetary conjunctions. You can find all the details on these and many other events in our 2021 Sky Almanac. Plan your skywatching adventures with tips on eclipses, meteor showers, and more, plus keep an eye on the naked-eye planets.

The almanac also features tales of dead or dying stars, from black holes and pulsars to binary stars that are locked in a final embrace. They show that there are many ways for a star to die—some of them spectacular, all of them fascinating.

And we've updated the digital version of the Almanac, adding new events in space exploration, revising dates for others, and making additional changes to keep it fresh and up to date.

Delivery method

Digital, Print

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