10 Krakatoa facts about the 1883 eruption

On August 26-27, 1883, one of the most notorious volcanic eruptions in history occurred. Krakatau (often spelled Krakatoa) erupted with an estimated 10,000 thousand times the force of the Hiroshima atomic bomb. The eruption was so violent that two-thirds of the island of Krakatoa and its surrounding archipelago were destroyed: about 23 square kilometers of …

Pale Blue Dot

The farthest spacecraft from Earth, NASA’s Voyager 1 (see notes 1) probe took a photo of planet Earth on February 14, 1990, from a record distance of about 6 billion kilometers (3.7 billion miles, 40 AU (see notes 2) from Earth. The photo is known as the Pale Blue Dot. In the photograph, Earth is …