VIEW HEADLINES ONLY

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.

Earth Is a Safe Haven

Recent news articles show how mechanisms protect earth's inhabitants from a hail of bullets overhead.

Facing Reality About Life on Other Planets: Geophysics

by Dr Henry Richter This is a continuation of my discussion on the requirements to allow life to exist on a planet elsewhere in the universe. My discussion moved from our position in the galaxy, our position in the solar system, and then focused on the earth, looking at the influence of our moon, our […]

Explorer 1 Pioneer Corrects Mistakes in Space.com Article

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

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.

Hope, Not Evidence, Drives Astrobiology

Earth-size exoplanets are not evidence for alien life. They are evidence for orbiting bodies.

Juno How Old the Solar System Is?

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

Only Earth Is a Life Haven

Here are more discoveries that make it reasonable to think complex life is rare in the universe, and might be unique to Earth.

More Indications Earth Is Unique

The late Carl Sagan might be stunned to see today's astronomers questioning Earth's "humdrum" status.

Magnetic News

Magnetism is an important force in astronomy, planetary science and life. Here are news items involving magnets and magnetic fields.

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.
All Posts by Date