. Space Industry and Business News .




.
IRON AND ICE
Using many instruments to track a comet
by Staff Writers
Greenbelt MD (SPX) Dec 16, 2011

File image.

In 16 years of data observations, the Solar Heliophysics Observatory (SOHO) - a joint European Space Agency and NASA mission - made an unexpected claim for fame: the sighting of new comets at an alarming rate.

SOHO has spotted over 2100 comets, most of which are from what's known as the Kreutz family, which graze the solar atmosphere where they usually evaporate completely.

But on December 2, 2011, the discovery of a new Kreutz-family comet was announced. This comet was found the old-fashioned way: from the ground.

Australian astronomer Terry Lovejoy spotted the comet, making this the first time a Kreutz comet has been found through a ground-based telescope since the 1970's. The comet has been designated C/2011 W3 (Lovejoy).

Discovering a comet before it moves into view of space-based telescopes, gives scientists the opportunity to prepare the telescopes for the best possible observations.

Indeed, since comet Lovejoy was visible from the ground, scientists have high hopes that this might be an exceptionally bright comet, making it all the easier to view and study.

(Some Kreutz comets - such as Ikeya-Seki in 1965 - are so bright they can be seen with the naked eye in the daytime, though this is extremely rare.)

The comet moved into view of the Solar Terrestrial Relations Observatory (STEREO) on Monday, December 12.

Next up is Hinode, which will make observations at about 6 p.m. ET on Dec 15, as the comet moves towards its closest approach to the sun. Hinode's solar optical telescope will take the highest resolution images of this close approach.

As the comet passes through the sun's atmosphere, the corona, an increase in particle collisions may produce X-rays, so Hinode may also capture X-ray images of the comet.

The comet will likely pass within some 87,000 miles of the sun, and disappear behind the northwest limb of the sun shortly after it is seen by Hinode.

Related Links
-
Asteroid and Comet Mission News, Science and Technology




.
.
Get Our Free Newsletters Via Email
...
Buy Advertising Editorial Enquiries






.

. Comment on this article via your Facebook, Yahoo, AOL, Hotmail login.

Share this article via these popular social media networks
del.icio.usdel.icio.us DiggDigg RedditReddit GoogleGoogle



IRON AND ICE
NASA at work on 'spearfishing' for comets
Washington (AFP) Dec 14, 2011
The US space agency is developing a high-tech harpoon that could one day pierce a comet and grab samples for scientists on Earth to study for hints about how the universe formed. The idea borrows on a concept developed by the European Space Agency but adds a sample chamber to the spear so it can capture dust from a fast-moving, ice-spewing comet by hovering near it and launching the space ha ... read more


IRON AND ICE
SSTL tests TechDemoSat-1 plasma population payload

Apple scores hit on HTC in US patent case

Tool enables scientists to uncover patterns in vast data sets

Samsung files new claims against Apple in Germany

IRON AND ICE
Northrop Grumman And ITT Exelis Team For Army Vehicular Radio

Lockheed Martin Ships First Mobile User Objective System Satellite To Cape For Launch

Satellite Tracking Specialist, Track24, wins Canadian Government Contract

Airman brings space to ground forces

IRON AND ICE
Arianespace Signs First launch contracts for Vega

Acra Control Proven in Low Earth Orbit

Arianespace Completes 2011 Launch Manifest With Successful Soyuz Campaign

Vega moves closer to its first liftoff

IRON AND ICE
Lockheed Martin Delivers GPS 3 Pathfinder Satellite to Denver on Schedule

Galileo in tune as first navigation signal transmitted to Earth

Glonass satnav system targets Latin America and India

Lightweight GPS tags help research track animals of all sizes

IRON AND ICE
Qantas reaches agreement with engineers

Removing sulfur from jet fuel cools climate

Cathay announces economy class upgrade

Airbus eyes Japan's budget carriers

IRON AND ICE
Quantum Computing Has Applications in Magnetic Imaging

Sharpening the lines could lead to even smaller features and faster microchips

Optical Fiber Innovation Could Make Future Optical Computers a 'SNAP'

New method for enhancing thermal conductivity could cool computer chips, lasers and other devices

IRON AND ICE
SMOS detects freezing soil as winter takes grip

NASA Gears Up for Airborne Study of Earth's Radiation Balance

Study Shows More Shrubbery in a Warming World

Astrium awarded Sentinel 5 Precursor contract

IRON AND ICE
Mexico shuts down 'world's biggest garbage dump'

Beijing hits 'blue sky' target despite bad air

Mercury releases into the atmosphere from ancient to modern times

Keeping our beaches safe


.

The content herein, unless otherwise known to be public domain, are Copyright 1995-2012 - Space Media Network. AFP and UPI Wire Stories are copyright Agence France-Presse and United Press International. ESA Portal Reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. Advertising does not imply endorsement,agreement or approval of any opinions, statements or information provided by Space Media Network on any Web page published or hosted by Space Media Network. Privacy Statement