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This profile was last updated on 10/18/14  and contains information from public web pages.

Kenneth M. Lanzetta

Wrong Kenneth M. Lanzetta?

Co-Founder and President, Product...

Phone: (646) ***-****  HQ Phone
Email: k***@***.com
Local Address: New York City, New York, United States
DOTGO
200 Varick St. #805
New York , New York 10014
United States

Company Description: DOTGO is the brand name of a new service that allows individuals, companies, and organizations to distribute information by cell-phone text messaging. DOTGO is...   more
Background

Employment History

  • Professor of Physics and Astronomy
    Stony Brook University
  • Astronomer
    State University of New York at Stony Brook
  • Associate Professor of Physics and Astronomy
    State University of New York at Stony Brook
  • Astrophysicist
    State University of New York at Stony Brook
  • President
    Products

Education

  • PhD , Physics
    University of Pittsburgh
  • BA , Physics
    University of Pennsylvania
80 Total References
Web References
DOTGO • About Us
www.dotgo.com, 18 Oct 2014 [cached]
The company was founded by Stefan Gromoll and Kenneth M. Lanzetta in January 2007, was selected a co-winner of the Stony Brook University DARE entrepreneurial competition in May 2007, and was awarded Small Business Innovation Research Phase 1, 1b, and 2 grants by the National Science Foundation in January 2008, April 2008, and February 2009, respectively.
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Kenneth M. Lanzetta, Co-Founder and President, Products
...
Kenneth M. Lanzetta
Kenneth M. Lanzetta obtained a BA in Physics from the University of Pennsylvania and a PhD in Physics from the University of Pittsburgh. He subsequently held a postdoctoral appointment at the Institute of Astronomy of the University of Cambridge in England and a Hubble Fellowship at the Center for Astrophysics and Space Sciences of the University of California, San Diego before joining the faculty of Stony Brook University. He is currently Professor of Physics and Astronomy at Stony Brook University. His research interests span various disciplines of observational cosmology, including quasar absorption lines, galaxy formation and evolution, and evolution of the intergalactic medium. He is a world-recognized expert on quasar absorption lines and on the development and application of image processing techniques utilizing large-scale scientific computing facilities for measurement of sensitive observations of faint galaxies. Seeking new challenges in a new endeavor, he co-founded DOTGO in January 2007 (together with Stefan Gromoll), identifying an exciting opportunity in the burgeoning mobile industry. At DOTGO, he holds the position of President, Products, in which role he is responsible for the conception and development of the company's products and innovation.
Studies of Hubble's deepest views of ...
exonews.richlabonte.net [cached]
Studies of Hubble's deepest views of the heavens by Kenneth M. Lanzetta of the State University of New York at Stony Brook and colleagues lead to the preliminary conclusion that the universe made a significant portion of its stars in a torrential firestorm of star birth, which abruptly lit up the pitch-dark heavens just a few hundred million years after the big bang.
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Lanzetta bases his conclusion on a new analysis of galaxies in the Hubble deep fields taken near the north and south celestial poles (in 1995 and 1998 respectively). He reports in an upcoming issue of the Astrophysical Journal that the farthest objects in the deep fields are only the "tip of the iceberg" of an effervescent period of star birth that is unlike anything the universe will ever see again. Lanzetta concludes that 90 percent of the light from the early universe is missing in the Hubble deep fields. "The previous census of the deep fields missed most of the ultraviolet light in the universe; most of it is invisible," he says.
Based on an analysis of galaxy colors, Lanzetta concludes that the farthest objects in the deep fields must be extremely intense, unexpectedly bright knots of blue-white, hot newborn stars embedded in primordial galaxies that are too faint to be seen even by Hubble's far vision. It's like seeing only the lights on a distant Christmas tree and inferring the presence of the whole tree.
Likewise, Lanzetta deduced the total population of stars in the early universe based on observing only the brightest stars with the Hubble telescope. Because such far extrapolations are built on certain assumptions, this conclusion will require further analysis and observation.
Lanzetta next plans to use Hubble's Advanced Camera for Surveys, to be installed in early 2002, to look even deeper into the universe to try to directly verify some portion of the missing light. He will also look for very distant supernovae as an alternate measure of star formation. "Because they are point sources of light, supernovae are not subject to the same cosmological brightness-dimming effects like galaxies (which are extended sources of light)," says Lanzetta.
"Previous measurements have missed a ...
www.spectrum.ieee.org, 25 Jan 2002 [cached]
"Previous measurements have missed a dominant fraction of the light from those distant galaxies," said astronomer Kenneth Lanzetta of the State University of New York at Stony Brook.
MORE LIGHT, MORE STARS
"Our analysis indicates that the distant universe contained far more light and hence far more stars than was previously believed," Lanzetta told reporters at National Aeronautics and Space Administration headquarters.
Lanzetta said his analysis of the earliest perceptible times of the universe, possibly as far back as 500 million years after the Big Bang, indicated there must have been brilliant areas of fast-forming stars.
So instead of a bell curve, with scant star-birth at the beginning, a lot in the middle and little at the end, Lanzetta's findings suggest a roller-coaster hill, starting high at the start of time and flattening out toward the present.
That new analysis would mean that roughly 10 times the stars formed in the distant early universe compared to the present, Lanzetta said.
He acknowledged that only a telescope that could actually see back to the earliest epoch would confirm or refute his findings, and Bruce Margon of the Space Telescope Science Institute agreed.
2000 News | The Astrobiology Web | Your Online Guide to the Living Universe
www.astrobiology.com [cached]
Dr. Kenneth M. Lanzetta, associate professor of physics and astronomy at the State University of New York at Stony Brook
...
6 November 2001: The Star Formation Rate Intensity Distribution Function--Implications for the Cosmic Star Formation Rate History of the Universe, Kenneth M. Lanzetta, et al, accepted for publication in the Astrophysical Journal
Stars Burst on Scene Ensemble, Astronomer Suggests
www.nytimes.com, 9 Jan 2002 [cached]
The research was described by Dr. Kenneth M. Lanzetta, an astrophysicist at the State University of New York at Stony Brook.
After an innovative analysis of Hubble images of deep space, close to the beginning of time, Dr. Lanzetta said, "We seem to be finding that star and galaxy formation started early and rapidly."
Details are to be reported soon in The Astrophysical Journal.
Other astronomers and cosmologists greeted the report with excitement and caution.Dr. Bruce Margon, associate director for science at the Space Telescope Science Institute, in Baltimore, said that by clever and careful analysis Dr. Lanzetta had "teased out an incredibly subtle result" about early star formation.
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From such a study, Dr. Lanzetta concluded that the visible objects in the most distant images were only the "tip of the iceberg."They were only the brightest galaxies, not the presumably more numerous intermediate and small ones.Perhaps 90 percent of the light from the early universe is missing, he estimated.
Moreover, the scientists said, the objects that are visible must be quite intense, unexpectedly bright and roiling with star birth on a grand scale.
Taking into account the visible galaxies and the greater amount of "missing light," Dr. Lanzetta inferred that star formation in the early universe did not begin "bit by bit," adding that he favored "scenarios where galaxy formation started early and proceeded rapidly."By rapidly, astronomers mean in millions rather than billions of years.
Dr. Lanzetta said that star formation in that early period could have occurred at a rate about 10 times as high as occurred in the present-day universe.He estimated that this dynamic period began as early as 500 million years after the Big Bang, the theoretical explosive creation of the universe thought to have occurred about 14 billion years ago.
In the beginning, the Big Bang spewed intense radiation and energy.Within a few cooling minutes, protons and neutrons formed, then joined to create light elements like hydrogen, helium and lithium.Finally, these atomic nuclei captured electrons to form atoms.By 300,000 years, the universe was composed mostly of clouds of hydrogen and helium atoms.
But all was darkness, and astronomers refer to this as the dark age.
...
"But previous measurements had missed the dominant light of the early galaxies," Dr. Lanzetta said.
An assessment of the interpretation of the research will probably center on the fact that it is based largely on extrapolations back in time.The preferred method of determining cosmic distances is by spectroscopic analysis of light from faraway objects.But light from the earliest galaxies is too faint to be studied this way.
"When we actually see the missing light," Dr. Lanzetta conceded, "that would be the confirmation we need that this research is absolutely true."That may not be possible until NASA's Next Generation Space Telescope, Hubble's more powerful replacement, is put into orbit, perhaps in 2008.
Copyright 2002 The New York Times Company
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