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(ATLAST): Characterizing Habitable Worlds
(ATLAST): Characterizing Habitable Worlds

... Large UVOIR For more telescopes info on ATLAST: are required for many http://www.stsci.edu/institute/atlast other astrophysics research areas • Star formation & evolution; resolved stellar populations • Galaxy formation & evolution; supermassive black hole evolution • Formation of structure in the ...
THE BIRTH AND DEATH OF A LOW/MEDIUM MASS STAR
THE BIRTH AND DEATH OF A LOW/MEDIUM MASS STAR

... • THE STAGE WHEN A STAR IS IN IT’S “BEST” LIFE CYCLE • OUR SUN IS A MAIN SEQUENCE STAR • MAIN SEQUENCE STARS HAVE MOSTLY HYDROGEN. • THE HYDROGEN EXPLODES, GIVING OFF LIGHT AND HEAT • AS IT EXPLODES, THE HYDROGEN TURNS TO HELIUM. • HELIUM IS LIGHTER THAN HYDROGEN. • OUR SUN IS 4.6 BILLION YEARS OLD. ...
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329_ryan - New Mexico Institute of Mining and Technology

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... (c) the best angular resolution for a particular telescope (d) the furthest object that can be seen with a particular telescope (e) 73 5. Which of the following could be determined by the spectra of an object (a) the chemical composition (b) the rotation rate (c) the temperature (d) all of these (e) ...
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... mass ultra-cool dwarf stars. The observation is a major step towards our understanding of the types of objects that occupy the gap between the lightest stars and the heaviest planets. In 2000 the NASA/ESA Hubble Space Telescope detected a brown dwarf companion around the star named 2MASSW J0746425+2 ...
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Spitzer Space Telescope



The Spitzer Space Telescope (SST), formerly the Space Infrared Telescope Facility (SIRTF), is an infrared space observatory launched in 2003. It is the fourth and final of the NASA Great Observatories program.The planned mission period was to be 2.5 years with a pre-launch expectation that the mission could extend to five or slightly more years until the onboard liquid helium supply was exhausted. This occurred on 15 May 2009. Without liquid helium to cool the telescope to the very low temperatures needed to operate, most of the instruments are no longer usable. However, the two shortest-wavelength modules of the IRAC camera are still operable with the same sensitivity as before the cryogen was exhausted, and will continue to be used in the Spitzer Warm Mission. All Spitzer data, from both the primary and warm phases, are archived at the Infrared Science Archive (IRSA).In keeping with NASA tradition, the telescope was renamed after its successful demonstration of operation, on 18 December 2003. Unlike most telescopes that are named after famous deceased astronomers by a board of scientists, the new name for SIRTF was obtained from a contest open to the general public.The contest led to the telescope being named in honor of astronomer Lyman Spitzer, who had promoted the concept of space telescopes in the 1940s. Spitzer wrote a 1946 report for RAND Corporation describing the advantages of an extraterrestrial observatory and how it could be realized with available or upcoming technology. He has been cited for his pioneering contributions to rocketry and astronomy, as well as ""his vision and leadership in articulating the advantages and benefits to be realized from the Space Telescope Program.""The US$800 million Spitzer was launched from Cape Canaveral Air Force Station, on a Delta II 7920H ELV rocket, Monday, 25 August 2003 at 13:35:39 UTC-5 (EDT).It follows a heliocentric instead of geocentric orbit, trailing and drifting away from Earth's orbit at approximately 0.1 astronomical unit per year (a so-called ""earth-trailing"" orbit). The primary mirror is 85 centimeters (33 in) in diameter, f/12, made of beryllium and is cooled to 5.5 K (−449.77 °F). The satellite contains three instruments that allow it to perform astronomical imaging and photometry from 3 to 180 micrometers, spectroscopy from 5 to 40 micrometers, and spectrophotometry from 5 to 100 micrometers.
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