Alzheimer’s disease is still destroying people’s brains. The cause remains unknown. Around the world, there will be walks to raise money for medical research.... »
Space
Cosmic Web
An international team of astronomers using NASA’s Hubble Space Telescope has created the first three-dimensional map of the large-scale distribution of dark matter in the universe. The map stretches halfway back to the beginning of the universe and shows how dark matter has grown increasingly clumpy as it collapses under gravity. Image above: The top “sliced”... »
EVE: Measuring the Sun's Hidden Variability
EVE: Measuring the Sun’s Hidden Variability 09.22.09 The extreme ultraviolet (EUV) sun imaged by the Solar and Heliospheric Observatory (SOHO) over one complete solar cycle. The sun changes more at EUV wavelengths than it does in any other part of the electromagnetic spectrum. Credit: NASA/SOHO The Extreme Ultraviolet Variability Experiment (EVE) has four primary... »
Phoenix Mission on Mars
Overview Mars is a cold desert planet with no liquid water on its surface. But in the Martian arctic, water ice lurks just below ground level. Discoveries made by the Mars Odyssey Orbiter in 2002 show large amounts of subsurface water ice in the northern arctic plain. The Phoenix lander targets this circumpolar region using... »
Instruments on Phoenix Mars Lander
Instruments on Phoenix Mars Lander 08.02.07 NASA’s Phoenix Mars Lander uses its Meteorological Station and its Robotic Arm at the same time in this artist’s concept of the spacecraft on the surface of Mars. The other instruments in the spacecraft’s science payload are the Surface Stereoscopic Imager; the Microscopy, Electrochemistry, and Conductivity Analyzer; the Thermal and Evolved-Gas... »
