[ASC-list] NSW: Public talk - New Horizons mission to Pluto
Lara Davis
lara_davis4 at hotmail.com
Tue Oct 21 01:22:42 UTC 2008
FREE PUBLIC TALK
Date: Thursday 13th November
at 6.30pm
Venue: Slade Lecture Theatre,
School of
Physics, University of Sydney
Title: The New
Horizons mission to Pluto and the Kuiper Belt
Presenter: Dr Alan Stern, Southwest
Research Institute, Boulder,
CO
********* RSVP: 9351 3472 or outreach at physics.usyd.edu.au *********
Pluto - the planet that used to be. But does that
matter? To the scientists behind NASA’s New Horizons mission, Pluto and its moon
Charon hold unlocked secrets about ice dwarf planets, the least investigated but
most common type of planet in our solar system.
Dr Alan Stern is the principal investigator of New
Horizons, which hopes to find answers to basic questions about the surface
properties, geology, interior makeup and atmosphere of Pluto and Charon. When
New Horizons was launched in January 2006, it was travelling at 58,536 km/h,
making it the fastest
man-made object launched or created.
Last February it flew past Jupiter, and then Saturn's
orbit on 8 June this
year. It will arrive at Pluto in July 2015 before
continuing into the Kuiper belt a
billion kilometres beyond Neptune's
orbit.
To get to Pluto, which is three billion miles from
Earth, in just nine and a half years, the spacecraft will travel at a velocity
of about 43,450 kilometres per hour. The instruments on New Horizons will start
taking data on Pluto and Charon months before it arrives. About three months
from the closest approach - when Pluto and Charon are about 9.6 million km away
- the instruments will take pictures and spectral measurements, and begin to
make the first maps.
Dr Stern is visiting Australia to work with CSIRO and the
Canberra Deep Space Communication Complex in preparation for New Horizon’s Pluto
encounter. Come along and hear him talking about New Horizons and its exciting
journey to Pluto.
Dr Stern –
bio
Dr Alan Stern is a planetary scientist, space program
executive, and author. Until recently he was Associate Administrator of NASA’s
Space Mission Directorate. His research has focused on studies of our solar
system's Kuiper belt and Oort cloud, comets, the satellites of the outer
planets, Pluto, and the search for evidence of solar systems around other stars.
In his 25 year career history he has been to numerous astronomical
observatories, to the South Pole, and to the upper atmosphere aboard high
performance military aircraft. In 2007, Stern was listed among Time
Magazine's 100 Most Influential People in The
World.
When not studying the skies, Dr. Stern writes, and goes
hiking and camping. He and his wife Carole have two daughters and a son and they
make their home in northern Virginia, outside
Washington, D.C.
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