Technological Birthdays

Voyager 2 just celebrated the 30th anniversary of it's launch into outer space and the CD turned 25 years old.

We're all familiar with the ubiquitous CD. Here's a list of Voyager's top 10 discoveries:

1. Erupting volcanoes on Jupiter’s moon Io, a body that has 100 times the volcanic activity of Earth.
2. Indication of an ocean beneath the cracked, icy crust of Jupiter’s moon Europa.
3. Details of Jupiter’s turbulent atmosphere, including dozens of interacting hurricane-like storm systems.
4. The Io torus, a thick ring of ionized sulfur and oxygen shed by the moon Io that inflates Jupiter’s giant magnetic field.
5. Waves and fine structure in Saturn’s icy rings created by the tug of nearby moons, and small moons shepherding the narrow, kinky F-ring.
6. The deep, hazy nitrogen atmosphere of Saturn’s moon Titan, with likely clouds and rain of methane.
7. Complex and diverse surfaces of frozen moons shaped by icy volcanism and faults.
8. Neptune’s Great Dark Spot and 1,000-mile-per-hour winds.
9. Geysers erupting from the polar cap at Neptune’s moon Triton at -390 degrees Fahrenheit.
10. The termination shock, where the supersonic solar wind abruptly slows, forming the final frontier of the solar system.