Daily Archives: April 22, 2010

Closer to Home

GALAXIES form groups from few to a few dozen, to large clusters up to several thousands.

These vast star systems are called “Local Groups,” and all the galaxies they hold, like cells, are in mutual attraction and interaction with each other.

On a lesser scale our solar system, the home of our Earth the other planets, calls the Milky Way Galaxy its home.

Correspondingly, just as the Earth is home to us humans, so our human bodies are habitats and landscapes to billions of microbes — all interconnected with a common mission in the vastness of inner space.

View from Outer Space

At the request of Carl Sagan, NASA commanded the Voyager 1 spacecraft — having completed its primary mission and now leaving the solar system — to turn its camera around and take a photograph of Earth from outer space. Continue reading