From: LARRY KLAES (ljk4_at_msn.com)
Date: Fri Feb 27 2004 - 17:01:31 PST
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From: NewsAlert<mailto:sfn_newsalert_at_spaceflightnow.com>
To: Newsalert<mailto:newsalert_at_list.astrolists.com>
Sent: Thursday, February 26, 2004 9:57 AM
Subject: Launch of Rosetta comet probe scrubbed / Explaining the 'winking star'
NEWSALERT: Thursday, February 26, 2004 @ 1459 GMT
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The latest news from Astronomy Now and Spaceflight Now
+++ VIRTUAL APOLLO: see inside the command and service modules
WINDS KEEP ROSETTA COMET CHASER EARTHBOUND
http://spaceflightnow.com/ariane/v158/status.html SECOND STAR, NOT PLANET, EXPLAINS 'WINKING STAR'
http://spaceflightnow.com/news/n0402/25winking/ COSMIC DARK AGES LASTED FOR MORE THAN A BILLION YEARS
http://spaceflightnow.com/news/n0402/25darkages/ SORCE SATELLITE CELEBRATES YEAR OF OPERATIONS
http://spaceflightnow.com/news/n0402/24sorce/ NASA SELECTS 22 PROJECTS TO ADVANCE HUMAN SUPPORT TECHNOLOGIES
http://spaceflightnow.com/news/n0402/24humansupport/ 'AND THE LAUREL GOES TO...THE SPITZER SPACE TELESCOPE!'
http://spaceflightnow.com/news/n0402/24spitzer/ -----------------------------------------------------------------------
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<a href="http://spaceflightnow.com/ariane/v158/status.html">WINDS<http://spaceflightnow.com/ariane/v158/status.html">WINDS> KEEP ROSETTA COMET CHASER EARTHBOUND</a>
<a href="http://spaceflightnow.com/news/n0402/25winking/">SECOND<http://spaceflightnow.com/news/n0402/25winking/">SECOND> STAR, NOT PLANET, EXPLAINS 'WINKING STAR'</a>
<a href="http://spaceflightnow.com/news/n0402/25darkages/">COSMIC<http://spaceflightnow.com/news/n0402/25darkages/">COSMIC> DARK AGES LASTED FOR MORE THAN A BILLION YEARS</a>
<a href="http://spaceflightnow.com/news/n0402/24sorce/">SORCE<http://spaceflightnow.com/news/n0402/24sorce/">SORCE> SATELLITE CELEBRATES YEAR OF OPERATIONS</a>
<a href="http://spaceflightnow.com/news/n0402/24humansupport/">NASA<http://spaceflightnow.com/news/n0402/24humansupport/">NASA> SELECTS 22 PROJECTS TO ADVANCE HUMAN SUPPORT TECHNOLOGIES</a>
<a href="http://spaceflightnow.com/news/n0402/24spitzer/">'AND<http://spaceflightnow.com/news/n0402/24spitzer/">'AND> THE LAUREL GOES TO...THE SPITZER SPACE TELESCOPE!'</a>
<a href="http://astronomynowstore.com">ASTRONOMY<http://astronomynowstore.com">astronomy/> NOW STORE</a>
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: Fri Feb 27 2004 - 17:31:51 PST
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Today's launch of the Ariane 5 rocket to propel the Rosetta spacecraft on
its voyage to intercept comet Churyumov-Gerasimenko has been postponed due
to unfavorable high-altitude winds. Liftoff has been rescheduled for early
Friday morning.
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Since its discovery in 1998, the "winking star" called KH 15D has baffled
astronomers seeking to explain its long-lasting (24-day) eclipses. Many
hypothesized that the eclipses were caused by intervening blobs of
material within a protoplanetary disk surrounding a single, young Sun-like
star.
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The early universe was veiled with a fog of neutral hydrogen and helium.
Even the brilliant ultraviolet (UV) light of stars in the first primordial
galaxies could barely penetrate the all-absorbing curtains of gas, leading
some astronomers to term that era the cosmic "Dark Ages."
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Having marked its first anniversary on orbit, NASA's Solar Radiation and
Climate Experiment (SORCE) satellite has hit its stride. In concert with
other satellites, SORCE's observations of the sun's brightness are helping
researchers better understand climate change, climate prediction,
atmospheric ozone, the sunburn-causing ultraviolet-B radiation and space
weather.
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NASA's Office of Biological and Physical Research recently selected 22
researchers to receive grants of up to four years to conduct research and
development in advanced human support technologies. These technologies are
expected to have a significant impact on the ability of humans to conduct
long-duration space flight missions safely.
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Aviation Week & Space Technology magazine has honored the teams that built
NASA's new Spitzer Space Telescope with a 2003 Aerospace Laurel award. The
awards, now in their 47th year, recognize outstanding achievements in the
global field of aerospace.
New digital transfers offer the ultimate record
of the Apollo Moon landings.
Worldwide Store: http://spaceflightnow.com/wwstore/video/
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