NASA Night Sky Notes Monthly Article

NASA Night Sky Notes Monthly Article

  • Target Audience
  • Teen, Adult
Delay Notification: The monthly article is experiencing a slight delay due to work on the new Big Astronomy toolkit! Apologies; we expect to have it ready by the 22nd. -Dave Prosper

The NASA Night Sky Network provides monthly articles featuring the latest stargazing and NASA news to share with your organization's readership. Sign up here to get an email notification when each new edition is released, or check back here around the 20th of each month. Download the latest article below.
Image comparing a model of a rapidly spinning star on the left, with observations  of rapidly spinning Altair on the right. They appear very similar.
The image on the right was created using optical interferometry: the light from four telescopes was combined to produce this image of Altair’s surface.
Image credit: Ming Zhao. More info:

Print and screen optimized versions of this image are available; see details below.
September 2020 Edition

Summer Triangle Corner: Altair
Updated  August 15, 2020
Altair is the final stop on our trip around the Summer Triangle! Altair might be the most unusual of the three stars of the Triangle, due to its great speed: this star spins so rapidly that it appears “squished.”

Find out more about this incredibly bright -and fast - star in this edition of NASA's Night Sky Notes!

Download Word Document
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Download Finder Guide for Altair
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Download Altair Surface Image
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Attribution text: 
This article is distributed by the NASA Night Sky Network, a coalition of hundreds of astronomy clubs across the US dedicated to astronomy outreach. Visit to find local clubs, events, stargazing info and more.

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