• SOHO spacecraft has been in operation since 1996.
  • The craft orbits the Sun in step with Earth but closer to it.
  • SOHO has sent back amazing images.
  • Onboard instruments have also sent back mountains of data.
  • The data is mostly about the Sun's outer layers.
  • The Sun provides light and heat to our planet.
  • This star supports almost all life on Earth.
  • It is the center of the solar system, which includes all of the planets and other bodies that orbit it.
  • It makes up the remaining 99.8 percent of all the mass in the solarsystem.
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