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Astronomy Resources


Tonight's Sky

“Tonight’s Sky” is a video series of constellations you can observe in the night sky.

About this Video
In August, a flock of star-studded figures soars overhead. Look for the Vega and Lyra constellations, which point to Epsilon Lyrae and the Ring Nebula. You can also spot three bright summer stars: Vega, Deneb, and Altair, which form the Summer Triangle. Keep watching for space-based views of these and other stars and nebulas.

About this Series
“Tonight’s Sky” is a monthly video of constellations you can observe in the night sky. The series is produced by the Space Telescope Science Institute, home of science operations for the Hubble Space Telescope, in partnership with NASA’s Universe of Learning. This is a recurring show, and you can find more episodes—and other astronomy videos here. This product is based on work supported by NASA under award numbers NNX16AC65A to the Space Telescope Science Institute, working in partnership with Caltech/IPAC, Jet Propulsion Laboratory, Smithsonian Astrophysical Observatory, and Sonoma State University. Any opinions, findings, and conclusions, or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Aeronautics and Space Administration.


What's Up: Skywatching Tips from NASA

Your Personal NASA Guide to the Night Sky

What are some skywatching highlights in September 2021? Mercury provides a challenging target to spot in the fading light after sunset at the beginning of the month. Enjoy spotting two "fast" stars all month long: speedy Arcturus and fast-spinning Altair.

Preston Dyches, Christopher Harris, and Lisa Poje are the science communicators and space enthusiasts who produce this monthly video series for NASA at the Jet Propulsion Laboratory. Additional astronomy subject matter guidance is provided by Bill Dunford, Gary Spiers, and Lyle Tavernier. Retired NASA Program Manager Gordon Johnston provides the daily guide.

Additional information about topics covered in this episode of What's Up, along with still images from the video, and the video transcript, are available on NASA's page here.