NASA’s NEOWISE Spacecraft Re-Enters Atmosphere, But More Discoveries Await!

NASA’s NEOWISE (Near-Earth Object Wide-field Infrared Survey Explorer) spacecraft re-entered and burned up in Earth’s atmosphere on Friday night, as expected. Launched in 2009 as the WISE mission, the spacecraft has been mapping the entire sky at infrared wavelengths over and over for nearly fifteen years. During that time, more than one hundred thousand amateur scientists have used these data in citizen science projects like the Milky Way Project, Disk Detective, Backyard Worlds: Planet 9, Backyard Worlds: Cool Neighbors, and Exoasteroids. 

This citizen science work has led to more than 55 scientific publications. Highlights include:

• The discovery of Yellowballs, a kind of compact star-forming region.

• The discovery of Peter Pan Disks, long lived accretion disks around low-mass stars.

• The discovery of the first extreme T subdwarfs.

• The likely discovery of an aurora on a brown dwarf.

• Measurement of the field substellar mass function down to effective temperature ~400 K.

• The discovery of the oldest known white dwarf with a disk.

• Detection of a possible collision between planets.

• The discovery of the lowest-mass hypervelocity star.

Although the spacecraft is no longer in orbit, there is plenty of work to do. The WISE/NEOWISE data contain trillions of detections of astronomical sources – enough to keep projects like Disk Detective, Backyard Worlds: Planet 9, Backyard Worlds: Cool Neighbors, and Exoasteroids busy making new discoveries for years to come. Join one of these projects today to help unravel the mysteries of the infrared universe!

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