Search Results for: re.

Dark Sands

Jul 18, 2019 Blackened dune fields can be found on Mars. Martian atmospheric density is less than 1% that of Earth. It is almost entirely composed of carbon dioxide, although nitrogen and argon make up about 3%, with trace elements less than .01%. The temperature varies from a maximum of…

Continue reading

Electric Sprites

Jul 16, 2019 Thunderstorms act like particle accelerators, launching massive discharges downward to the ground and upward to space. Earth is an electrically charged object: it maintains an electric field at its surface between 50 and 200 volts per meter: for every meter above the ground the voltage increases. As…

Continue reading

Extended Mission

Jul 10, 2019 Juno will circle Jupiter for another four years. Jupiter is the largest planet. It is so large that all of the other planets could fit comfortably inside its 1.77 X 10^15 cubic kilometer volume. Jupiter rotates in 9.925 hours, causing its diameter to be 9275 kilometers more…

Continue reading

What Science Says

Jul 9, 2019 It’s common to hear people refer to “what science says.” The usual assumption is that “what science says” is said indefeasibly. But the term ‘science’ has two conflicting senses: science as currently-accepted theory (CAT) and science as method. To conclude that method inevitably leads to CAT and,…

Continue reading

On and Off

Jul 8, 2019 Stars respond to incoming electric charge flow. According to consensus theory, when a star uses up its hydrogen it contracts because radiation pressure no longer overcomes the gravity pulling its outer layers into its core. As that compression increases, internal pressure rises and heats up the star,…

Continue reading

A New Dawn

Jul 2, 2019 Investigating the dwarf planet, Ceres. The Dawn spacecraft was launched on September 27, 2007. It began observing the asteroid Vesta on July 17, 2011 and then headed toward the dwarf planet, Ceres on September 5, 2012. Dawn entered orbit around Ceres at 7:39 AM EST on Friday, March 6,…

Continue reading