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                SOHO
          Soho  the solar observatory, is a project of an international collaboration between ESA and NASA. This is used to study the sun in ways that it has never been studied before
 
          This satelite is in sync with the earths rotation around the sun.   

 

LAUNCH DATE:

02-Dec-1995 08:08 UT  

MISSION END:

31 December 2012 (extended mission), subject to a mid-term review in 2010

LAUNCH VEHICLE:

Atlas II-AS (AC-121)

LAUNCH MASS:

1850 kg

MISSION PHASE:

Operational

ORBIT:
SOHO is operated from a permanent vantage point 1.5 million kilometers sunward of the Earth in a halo orbit around the first Lagrangian point.

ACHIEVEMENTS:
Discoveries from SOHO include:

Complex currents of gas flowing beneath the visible surface of the Sun

Rapid changes in the pattern of magnetic fields

SOHO has:

Made the largest and most detailed database of solar surface features.

Become the most prolific discoverer of comets in the history of astronomy, although not designed for the purpose.

 

THE MISSION:
SOHO (SOlar Heliospheric Observatory) is a space-based observatory, viewing and investigating the Sun from its deep core, through its outer atmosphere - the corona - and the domain of the solar wind, out to a distance ten times beyond the Earth's orbit.