These Halloween deep-sky objects will add some light to those dark, spooky nights. Treats, tricks, and telescopes await!
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How Big Is the Solar System?
If the Sun were the size of a basketball, do you know how big the Earth would be? Find out how big the Solar System really is!
See OSIRIS-REx, NASA’s First Asteroid Sample Return Mission, as it Drops off Pieces of Asteroid Bennu
NASA’s first asteroid return sample mission, OSIRIS-REx, is headed back towards Earth with precious cargo. Join us in observing it Sept. 24!
Keep an Eye on Comet Hartley 2 with AFA and Unistellar
Join AFA & Unistellar in catching Comet Hartley 2 until October 25th! This hyperactive comet will brighten as it flies by the Earth and Sun.
Fall Into Cygnus and More With September Deep-Sky Objects
Unistellar’s September targets include a bevy of star clusters and nebulae of all sorts. Celebrate stars in all stages of life this month!
See Newfound Comet Nishimura Before it’s Too Late!
Catch newly discovered comet C/2023 P1 (Nishimura) before it flies too close to the Sun and potentially disintegrates!
What Is a Black Hole?
Black holes seems to break all the rules: Nothing escapes from them, time slows, and no one can see inside.
Comet Pons-Brooks Puts on a Show
Comet 12P/Pons-Brooks is exciting observers with a recent outburst that caused it to temporarily become 100 times brighter!
What is the Difference Between a Comet and an Asteroid?
There are countless comets and asteroids swirling about in space. But what makes them different from each other?
Team Up with Unistellar to Reveal Comet C/2023 E1 (ATLAS)’s Tail
Space is alive with a newfound bright green comet called C/2023 E1 (ATLAS)! Join our community “super image” campaign that may reveal its faint tail.