Listen to the audio stream live at /live. Today at 11 a.m., Webb experts will preview these next two months of instrument preparations in a teleconference for media. Spitzer Space Telescope: Henize 206 The satellite was a little over 4 metres (13 feet) tall and weighed about 900 kg (2,000 pounds). In the meantime, the Webb team has begun the process of setting up and testing Webb’s instruments to begin science observations this summer. Three of these planets are firmly located in the habitable zone, the area around the parent star where a rocky planet is most likely to have liquid water. When Webb is ready to begin science observations, studies such as these with MIRI will help give astronomers new insights into the birth of stars and protoplanetary systems. NASA's Spitzer Space Telescope has revealed a new exoplanet discovery: the first known system of seven Earth-size planets around a single star. Here, you can see the emission from “polycyclic aromatic hydrocarbons,” or molecules of carbon and hydrogen that play an important role in the thermal balance and chemistry of interstellar gas. NASAs Spitzer Space Telescope, an infrared telescope studying our solar system, is finally coming to the end of its life. Credit: NASA/JPL-Caltech (top), NASA/ESA/CSA/STScI (bottom)įor example, Webb’s MIRI image shows the interstellar gas in unprecedented detail. Webb, with its significantly larger primary mirror and improved detectors, will allow us to see the infrared sky with improved clarity, enabling even more discoveries. The retired Spitzer telescope was one of NASA’s Great Observatories and the first to provide high-resolution images of the near- and mid-infrared universe. Here, a close-up of the MIRI image is compared to a past image of the same target taken with NASA’s Spitzer Space Telescope’s Infrared Array Camera (at 8.0 microns). This small satellite galaxy of the Milky Way provided a dense star field to test Webb’s performance. It was the first spacecraft to use an Earth. 5 9 Spitzer was the third space telescope dedicated to infrared astronomy, following IRAS (1983) and ISO (19951998). The MIRI test image (at 7.7 microns) shows part of the Large Magellanic Cloud. The Spitzer Space Telescope, formerly the Space Infrared Telescope Facility ( SIRTF ), was an infrared space telescope launched in 2003. Now, we take a closer look at that same image, focusing on Webb’s coldest instrument: the Mid-Infrared Instrument, or MIRI. NASA’s James Webb Space Telescope is aligned across all four of its science instruments, as seen in a previous engineering image showing the observatory’s full field of view. Credit: NASA/JPL-Caltech (left), NASA/ESA/CSA/STScI (right)
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