Summary:
- 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.