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PHYS178 2008 week 11 part-1
PHYS178 2008 week 11 part-1

... recent report based on data from the Hubble Space Telescope seems to confirm this result. The even more recent observations made with the Spitzer Space Telescope of the warm infrared glows of two previously detected "hot Jupiter" planets is another interesting result in this context. This wealth of ...
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... If a cloud is near bright high mass stars it may shine as an emission nebula ...
Oct 2015 - Bays Mountain Park
Oct 2015 - Bays Mountain Park

... off of him before they reached Olympus. Pegasus continued on and Zeus took control of him and used him to carry his thunder and lighting. Later Zeus put him in up in the constellations, according to Greek mythology. It was one of the 48 constellations listed by the astronomer Ptolemy. I am sure every ...
Large Astronomical Telescope Development in China
Large Astronomical Telescope Development in China

Interstellar Medium (ISM) Star Formation Formation of Planetary Systems
Interstellar Medium (ISM) Star Formation Formation of Planetary Systems

... Clearing the Protosolar Nebula Four effects cleared the nebula: 1.  Radiation pressure-light streaming from the sun pushed against the particles of the solar nebula. 2.  The solar wind—flow of ionized H helped push dust and gas out of the nebula. 3.  Sweeping of space debris by the planets—the moon ...
Characteristics of Blue Elliptical Galaxies
Characteristics of Blue Elliptical Galaxies

... • “Old” red galaxies – Little or no star formation in the last several billion years – Spherically shaped ...
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... • Neither astronomer had enough evidence to win the argument • Later HUBBLE found a Cepheid variable in a spiral nebula, Andromeda. • Hubble measured the distance from Earth  star. • It was further than any star in the Milky Way galaxy • He concluded that the star was in a separate galaxy • Cepheid ...
A Short History of Astronomy
A Short History of Astronomy

... • Thales was a brilliant mathematician/scientist/philosopher of the day, who rejected supernatural explanations in preference to natural explanations. • The ability to mathematically predict a Cosmic event of such magnitude, propelled astronomers into the industry of astrology, where they were emplo ...
Evolution of Planetary Science Activities in SPL
Evolution of Planetary Science Activities in SPL

... was established for the first time: suggesting that the x-rays from these giant planets can be used to study the flares on Sun’s hemisphere which is not visible from the Earth. Many of these “discovery-class” findings made the Press Releases by NASA and ESA (European Space Agency). The work of study ...
Some space objects are visible to the human eye.
Some space objects are visible to the human eye.

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Jun - Wadhurst Astronomical Society

... Venus is still a brilliant morning object at magnitude -3.9 although it is not especially well placed. Sunrise at the start of the month sees Venus 12° above the horizon and almost due east. By the end of the month this has increased to more than 15°, with the Sun in an identical position in respect ...
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Solar systems like ours may be rare - Space.com

... formed in dense, Orion-like regions, so this implies that systems like ours may be the exception rather than the rule," said researcher Joshua Eisner, an astrophysicist at the University of California, Berkeley. That's important because giant planets like Jupiter may be instrumental in fostering lif ...
Some space objects are visible to the human eye.
Some space objects are visible to the human eye.

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... A very useful property of using the light year as a measure of distance is that it also tells you how many years ago the light left the object you are observing. When we look out into space, we also look back in time. The brightest star in the night sky, Sirius, for example, is 8.6 light years away. ...
Week 6 - TTU Physics
Week 6 - TTU Physics

... length which is m times the focal length of the primary mirror. This allows a much shorter overall telescope tube length than for the other types of telescopes for the same effective focal length. Disadvantages ...
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... over its life cycle is described below. 33 Star Life. A typical star, like our sun, is stable for a very long time. It uses fusion reactions that convert hydrogen into helium, the same energy source as a hydrogen bomb. But unlike the explosion of a nuclear bomb, the fusion in a star happens at a ste ...
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Starbursts – from 30 Doradus to Lyman
Starbursts – from 30 Doradus to Lyman

... wavelengths from UV through infrared. This will help resolve many of the issues raised at the conference. However, there are also critical questions in areas that may not be receiving the attention they deserve, such as: how does feedback operate in young starbursts and regulate processes like quenc ...
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... • the distance it takes light to travel in one year moving at 186,000 miles per second or about 6 million million miles (6 trillion miles) ...
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... 29) Why can the Hubble Telescope observe fainter galaxies than can be observed on Earth? A) the Hubble Telescope is closer to the galaxies B) the Hubble Telescope can observe gamma rays C) the Hubble Telescope is above the Earth’s atmosphere D) the Hubble Telescope can observe X-rays E) the Hubble T ...
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... 3) In the sky, you follow an object as it passes through the constellations Leo, Hydra, and Canis Major. What can you say about this object? A) This object is one of the nine planets. B) This object will collide with the sun. C) This object is not one of the nine planets. D) This object is a star. E ...
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... • σ = 5.7 x 10-8 W/(m2-K4) • 1 parsec = 3.26 light years 1) In the sky, you follow an object as it passes through the constellations Leo, Hydra, and Canis Major. What can you say about this object? A) This object is one of the nine planets. B) This object is not one of the nine planets. C) This obje ...
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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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