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Spitzer Space Telescope End of Mission

By Robert Trembley  |  30 Jan 2020

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This artist’s concept depicts NASA’s Spitzer Space Telescope in space much as it would appear at the end of its mission on January 30, 2020. The backdrop depicts the sky in infrared light much as Spitzer would have seen it early in its mission. Credit: NASA/JPL-Caltech.

NASA’s Spitzer Space Telescope will transmit the final science and engineering data to mission control today and then be commanded off, ending its amazing and surprising mission.

Spitzer has enabled groundbreaking advances in our understanding of planetary systems around other stars, the evolution of galaxies in the nearby and distant universe, the structure of our Milky Way galaxy, the infinite variety in the lives of stars, and the constituents of our Solar System. Long after Spitzer has ceased transmissions, scientists will continue making discoveries from its 16 years of data for decades to come.

NASA’s Spitzer used an ultra-sensitive infrared telescope to study asteroids, comets, planets and distant galaxies. Some of its top discoveries include:

  •  Recipe for “comet soup.” Spitzer observed the aftermath of the collision between NASA’s Deep Impact spacecraft and comet Tempel 1, finding that cometary material in our own solar system resembles that around nearby stars.
  • The largest known ring around Saturn, a wispy, fine structure with 300 times the diameter of Saturn.
  • First exoplanet weather map of temperature variations over the surface of a gas exoplanet. Results suggested the presence of fierce winds.
  • Asteroid and planetary smashups. Spitzer found evidence for several rocky collisions in other solar systems, including one thought to involve two large asteroids.
  • The hidden lairs of newborn stars. Spitzer’s infrared images have provided unprecedented views into the hidden cradles where young stars grow up, revolutionizing our understanding of stellar birth.
  • Buckyballs in space. Buckyballs are soccer-ball-shaped carbon molecules that have important technological applications on Earth.
  • One of the most remote planets known, lying about 13,000 light-years away, deep within our galaxy. Spitzer helped in the search for exoplanets using a state-of-the-art method called microlensing.
  • Massive clusters of galaxies. Spitzer identified many more distant galaxy clusters than were previously known.
  • “Big baby” galaxies. Spitzer and Hubble found remote galaxies that were much more massive and mature than expected.
This artist’s conception shows a nearly invisible ring around Saturn — the largest of the giant planet’s many rings. It was discovered by NASA’s Spitzer Space Telescope. The artist’s conception simulates an infrared view of the giant ring. Saturn appears as just a small dot from outside the band of ice and dust. The bulk of the ring material starts about six million kilometers (3.7 million miles) away from the planet and extends outward roughly another 12 million kilometers (7.4 million miles). The ring’s diameter is equivalent to roughly 300 Saturns lined up side to side. The inset shows an enlarged image of Saturn, as seen by the W.M. Keck Observatory at Mauna Kea, Hawaii, in infrared light. The ring, stars and wispy clouds are an artist’s representation. Image credit: NASA/JPL-Caltech/Keck
Images from NASA’s Spitzer 12th Anniversary Space Calendar. Credit: NASA/JPL-Caltech

Spitzer on Social Media:

How did @NASAspitzer unveil the universe? It studied the cosmos in infrared light as one of @NASA's Great Observatories.

Looking in infrared allows us to see distant galaxies and peer through dust to reveal baby stars, planets, and so much more. #SpitzerFinalVoyage pic.twitter.com/V6NpWM19lg

— ExploreAstro at Caltech IPAC (@ExploreAstro) January 29, 2020

16 Years in 16 Images ?

Spitzer launched in 2003 and then aimed its #infrared eye on stars ⭐, galaxies ?, black holes ?️, exoplanets ?, and more. Enjoy this compilation created for the telescope's 16th anniversary. https://t.co/QhLcHwEUE6#SpitzerFinalVoyage pic.twitter.com/Zho8AqEsuu

— ExploreAstro at Caltech IPAC (@ExploreAstro) January 29, 2020

To celebrate #SpitzerFinalVoyage, why not picture yourself in some of its most amazing images?

We've added new images to our #NASAselfies app for iOS/Android. Take a selfie?? and see yourself in parts of the universe Spitzer explored. https://t.co/YiIlIRBpkF pic.twitter.com/tFlMWk7boo

— NASA Exoplanets (@NASAExoplanets) January 29, 2020

NASA/JPL has updated its Exoplanet Excursions Virtual Reality App with new modules including a narrated tour of the telescope and an all-new interactive experience where you learn to control the Spitzer Space Telescope.

Spitzer in-depth on solarsystem.nasa.gov: https://solarsystem.nasa.gov/missions/spitzer-space-telescope/in-depth/

Follow the hashtag #spitzerfinalvoyage on Facebook and Twitter for updates.

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