Welcome to the Sun Earth Plan Website
2007-8 marks the 50th Anniversary of the International Geophysical Year, 1957-58. One of the memorable events during IGY was the launch of Sputnik in 1957, the world’s first artificial satellite. IGY heralded the modern space era.
This year, scientists and engineers from all 191 Member States of the United Nations are participating in an international campaign to learn more about the Earth, the Sun and our environment. 2007-8 has been designated the International Heliophysical Year, or IHY. (Helios was the ancient Greek name for the Sun.) A key objective of IHY is to celebrate the beauty, relevance and significance of space and Earth sciences to the world.
The UK hosts a vibrant solar-terrestrial physics (STP) community with an enviably high profile in the international research arena. They are also involved in a dazzling array of space research projects, from earth orbiting satellites and ground-based experiments to far-ranging planetary probes and landers. SUN EARTH PLAN celebrates Britain’s pivotal role in space science.
Interplanetary Space
How the Sun’s influence reaches across the entire Solar System.
Terrestrial Magnetosphere
The near-Earth region of space is seething with invisible magnetic fields.
Terrestrial Ionosphere/Atmosphere
The electrically charged layer of our atmosphere lying at the boundary of space.
Planetary
How UK space scientists investigate other planets and moons in our solar system.
The International Heliophysical Year
2007 has been designated the International Heliophysical Year, or IHY.
in Planetary
THE POWER OF FIZZ: ANCIENT GEYSERS ON MARS
Your Questions
"What is a star made out of?"
Josie, Morecambe
A star is a gigantic ball of plasma, or gas with electrically charged particles freely moving within it.
The main element in stars is hydrogen. Our Sun is roughly made out of 90% hydrogen, 9% helium, and then traces of other elements.
Dr. Nicolas Labrosse, University of Wales Aberystwyth
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