Van Allen Belts Protect Earth from Solar Wind

Geophysicists are still puzzling over how the earth's magnetic field and Van Allen radiation belts protect the surface from deadly particles in the solar wind.

Explorer 1 Pioneer Corrects Mistakes in Article

Dr Henry Richter, instrument manager for the Explorer 1 mission (1958), corrects some mistakes about the mission in an article published at

Earth’s Magnetic Field Protects Us from Solar Sneezes

By capturing solar 'sneezes' of high-energy charged particles, the Van Allen Belts provide a prime example of how the earth and its space environment are designed to allow and protect life.

Thank Van Allen's Belts and Richter's Rockets

Invisible shields above the Earth protect us all from dangerous radiation. New space probes explore how they do it.

Juno How Old the Solar System Is?

Everyone knows the solar system is 4.5 billion years old. Everyone, that is, except Nature herself.

Star Trek for Real: Impenetrable Force Field Protects Earth

Radiation belts discovered at the dawn of the space age have a new trick in their pocket: shielding the Earth.

Mars Radiation Would Fry Astronaut Brains

Imagine the first Martian astronauts coming home confused, impaired and demented. This is the risk from solar radiation on Mars, say a group of NASA medical researchers (see RxPG News). Among the gravest risks of a manned flight to Mars ranks the possibility that massive amounts of solar and cosmic radiation will decimate the brains […]
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