Microwaving Ivory Soap
An evening pause:
Tag: science
Messenger has found new and “compelling” evidence that there is water ice locked in the permanently shadowed craters of Mercury.
Messenger has found new and “compelling” evidence that there is water ice locked in the permanently shadowed craters of Mercury.
On Monday I had spoken to one of the project scientists for this discovery, David Lawrence, in connection with an article I am doing for Astronomy on the evidence of water on the Moon. I knew the Mercury announcement was coming, and asked him for some details. Based on what he told me, it struck me that the evidence for water on Mercury is actually more conclusive than the evidence for the Moon. (In fact, inconclusive nature of the lunar data is the point of my Astronomy article, based on previous posts here and here on Behind The Black.
The more intriguing aspect of this discovery on Mercury, however, is the unknown dark material that covers and protects some of this water ice. That some scientists believe it might even be organic material deposited there by comets and asteroids is most interesting.
The sad state of modern science
Two stories today illustrate the levels of corruption that now percolate through many fields of science, helped by a willing and sometimes ignorant press.
First, a final report has been issued in the investigation into the fraudulent research of social psychologist Diederik Stapel. Sadly, it appears the report condemns the entire field:
» Read more
Cassini has taken some spectacular new images of the gigantic hexagonal vortex on Saturn’s north pole.
Cassini has taken some spectacular new images of the gigantic hexagon-shaped vortex on Saturn’s north pole.
The biggest black hole yet found, 17 billion times the mass of our sun.
The biggest black hole yet found, 17 billion times the mass of our sun.
The unusual black hole makes up 14 percent of its galaxy’s mass, rather than the usual 0.1 percent. … NGC 1277 [the galaxy] lies 220 million light-years away in the constellation Perseus. The galaxy is only ten percent the size and mass of our own Milky Way. Despite NGC 1277’s diminutive size, the black hole at its heart is more than 11 times as wide as Neptune’s orbit around the Sun.
Based on these measurements, it appears that this black hole is literally eating this galaxy whole.
NASA is soliciting ideas on how to use the two Cold War era telescopes given to the space agency by the military.
NASA is soliciting ideas on how to use the two Cold War era telescopes given to the space agency by the military.
Both telescopes are comparable in size to the Hubble Space Telescope.
Impressive radar images of near-Earth asteroid 2007 PA8 were taken during its recent fly-by of Earth.
Impressive radar images of near-Earth asteroid 2007 PA8 were taken during its recent fly-by of Earth.
The images … reveal possible craters, boulders, an irregular, asymmetric shape, and very slow rotation. The asteroid measures approximately one mile wide (about 1.6 kilometers).
The asteroid poses no threat to Earth. The resolution of the images, however, is astonishing, especially considering it was done by radar.
Russia and the U.S. have named the two astronauts who will spend a year in space beginning in 2015.
Real progress: Russia and the U.S. have named the two astronauts who will spend a year in space beginning in 2015.
This mission will also make room for a Russian tourist flight during that same time period.
Pac Man in orbit around Saturn.
A new world speed record for a sailing vessel was set today at more than 75 miles per hour.
A new world speed record for a sailing vessel was set today at more than 65 knots, or 75 miles per hour. With video.
To give some perspective, the best the clipper ships ever did was 10-14 knots.
2000 pingpong balls and 30 teachers in zero gravity
An evening pause: What I like about this video is that it shows the moment when gravity returns.
The sun has a split personality.
The sun has a split personality.