Tagged: space

How big is the Solar System?

This is a classic exercise for visualizing just how big our Solar System really is. Both the relative size and spacing of the planets are demonstrated in this outdoor exercise, using a grapefruit to represent the size of the Sun.

A shipwreck seen from space (8 pictures)

This half-sunken sea-liner is named the World Discoverer. It met its fate on April 30th, 2000, when it hit an uncharted reef in the Solomon Islands. Now it has become a popular tourist attraction and is visible from space on Google Maps.
Before the wreck, this expedition cruise-liner was used by several companies. Each season, just over 700 tourists traveled to Antarctica on the World Discoverer.

IBEX provides first view of the Solar System’s Tail

NASA’s Interstellar Boundary Explorer, or IBEX, recently mapped the boundaries of the solar system’s tail, called the heliotail. By combining observations from the first three years of IBEX imagery, scientists have mapped out a tail that shows a combination of fast and slow moving particles. The entire structure twisted, because it experiences the pushing and pulling of magnetic fields outside the solar system.

Are we ready for Aliens?

What about situations we can’t know to be prepared for, such as, well, alien invasion? If you wonder if we actually have an alien-contact contingency plan watch this video.