Site Manager: The telescope also discovered in April 2005 that Cohen-kuhi Tau/4 had a planetary disk that was vastly younger and contained less mass than previously theorized, leading to new understandings of how planets are formed. Resting on the tail of the Great Bear in the constellation Ursa Major lies NGC 5585, a spiral galaxy that is more than it appears. Jetzt wird es abgeschaltet. Jubiläum des Teleskops. „,Spitzer‘ ist weiter von der Erde entfernt, als wir je dachten, dass es sein würde, während es noch in Betrieb ist“, sagte Nasa-Manager Sean Carey zum 15. [54], In June and July 2015, the brown dwarf OGLE-2015-BLG-1319 was discovered using the gravitational microlensing detection method in a joint effort between Swift, Spitzer, and the ground-based Optical Gravitational Lensing Experiment, the first time two space telescopes have observed the same microlensing event. 16 Years in 16 Images Spitzer launched in 2003 and then aimed its #infrared eye on stars ⭐, galaxies , black holes ️, exoplanets , and more. Auch ein bisher unentdeckter Staubring um den Saturn wurde mit Hilfe des Teleskops entdeckt. These crystals were not present in Spitzer's previous observations of the star's disk during one of its quiet periods. The telescope equilibrium temperature was then around 30 K (−243 °C; −406 °F), and IRAC continued to produce valuable images at those wavelengths as the "Spitzer Warm Mission". Durch „Spitzers“ Infrarotblick auf Galaxien konnten Wissenschaftler neue Erkenntnisse darüber gewinnen, wie sich die Entwicklung von Galaxien im Laufe der Zeit verändert hat. As a requirement tied to the funding these Legacy teams received, the teams had to deliver high-level data products back to the Spitzer Science Center (and the [NASA/IPAC Infrared Science Archive | Infrared_Science_Archive]) for use by the community, again ensuring the rapid scientific return of the mission. *fr.de ist Teil der bundesweiten Ippen-Digital-Zentralredaktion. As the spacecraft moved farther from Earth on the same orbital path from the Sun, its antenna had to point at increasingly higher angles to communicate with ground stations; this change in angle imparted more and more solar heating on the vehicle while its solar panels received less sunlight. In 2009, Spitzer found a ring of Saturn, a wispy, fine structure with 300 times the diameter of the gas giant planet. The spacecraft was built by Lockheed Martin. Doch sein Starttermin im Jahr 2021 scheint derzeit zu wackeln. The Spitzer Science Center later reinstated named "Legacy" projects (and later still "Exploration Science" projects) in response to this community-driven effort. This nebula was discovered by Spitzer and published in the magazine Nature on 16 March 2006. Jetzt wird es abgeschaltet. Unlike most telescopes that are named by a board of scientists, typically after famous deceased astronomers, the new name for SIRTF was obtained from a contest open to the general public. However, after the 1986 Challenger disaster, the Centaur LH2–LOX upper stage, which would have been required to place it in its final orbit, was banned from Shuttle use. The Spitzer data, from both the primary and warm phases, are archived at the Infrared Science Archive (IRSA). 104 miles (166 × 167 kilometers) at 31.5 degrees. Raytheon used indium antimonide and a doped silicon detector in the creation of the infrared detectors. [23] After receiving confirmation that the command was successful, Spitzer Project Manager Joseph Hunt officially declared that the mission had ended. The latter was detected as part of the Frontiers Field project that combines the power of Spitzer, Hubble and Chandra. The discovery set a record for the greatest number of habitable-zone planets found around a single star outside our solar system. This approach was developed in an era when the Shuttle program was expected to support weekly flights of up to 30 days duration. This method was possible because of the large separation between the two spacecraft: Swift is in low-Earth orbit while Spitzer is more than one AU distant in an Earth-trailing heliocentric orbit. Early speculation about the hot spot was that it might have been the faint light of another core that lies 10 times further from Earth but along the same line of sight as L1014. [55], Reported in March 2016, Spitzer and Hubble were used to discover the most distant-known galaxy, GN-z11. By September 1983, NASA was considering the "possibility of a long duration [free-flyer] SIRTF mission". What is Spitzer Space Telescope? The second stage ignited again at 06:13 UT Aug. 25, 2003, sending both the second stage and the observatory into a hyperbolic orbit. It provides both high- and low-resolution spectroscopy at mid-infrared wavelengths (from 5 - 40 microns). [1] This separation provided significantly different perspectives of the brown dwarf, allowing for constraints to be placed on some of the object's physical characteristics. Ground-based observatories have the drawback that at infrared wavelengths or frequencies, both the Earth's atmosphere and the telescope itself will radiate (glow) brightly. This led the team of astronomers to speculate that the bipolar outflow from the young star may be transporting the forsterite crystals from near the star's surface to the chilly outer cloud. Das Weltraumteleskop „Spitzer“ der Nasa hat fast 17 Jahre durchgehalten. In October 2012, astronomers announced that data from the observatory had allowed more precise measurement of the Hubble constant, the rate at which the universe is stretching apart. In May 2007, astronomers successfully mapped the atmospheric temperature of HD 189733 b, thus obtaining the first map of some kind of an extrasolar planet. The Spitzer Space Telescope (formerly the Space Infrared Telescope Facility or SIRTF) was the fourth and last of NASA’s “Great Observatories,” after the Hubble Space Telescope (launched in 1990), the Compton Gamma Ray Observatory (1991), and the Chandra X-Ray Observatory (1999).

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