Tuesday July 25th 2017
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Staff

Publisher and Editor - Judith Martin-Straw

The Skinny - Amy Brunell

Looking Up - Bob Eklund

Ruth's Truths - Ruth Morris

Special Features - T. S. Owen

LOCALmotion - Jozelle Smith

Get Smart - Jamie Wallace

Looking Up by Bob Eklund

Looking Up – Bob Eklund

Looking Up – Bob Eklund

On Mars, wind rules. Wind has been shaping the Red Planet’s landscapes for billions of years and continues to do so today. Studies using both a NASA orbiter and a rover reveal its effects on scales grand to tiny on the strangely structured landscapes within Gale Crater. NASA’s Curiosity Mars rover (http://www.nasa.gov/curiosity), on the lower slope of Mount Sharp—a layered mountain [...]

Looking Up – Bob Eklund

Looking Up – Bob Eklund

NASA’s Spitzer Space Telescope has revealed the first known system of seven Earth-size planets around a single star. Three of these planets are located in the habitable zone, the area around the parent star where a rocky planet is most likely to have liquid water. The discovery sets a new record for greatest number of habitable-zone planets found around a single star outside our solar [...]

Looking Up – Bob Eklund

Looking Up – Bob Eklund

Arizona State University astronomer Adam Schneider and his colleagues are hunting for an elusive object lost in space between our Sun and the nearest stars. They are asking for your help in the search, using a new citizen-science website. Astronomers have found evidence for a ninth planet in our solar system. The evidence comes from studying the orbits of objects in the solar system’s Kuiper [...]

Looking Up – Bob Eklund

Looking Up – Bob Eklund

Mars scientists are wrestling with a problem. Ample evidence says ancient Mars was sometimes wet, with water flowing and pooling on the planet’s surface. Yet the ancient Sun was about one-third less warm, and climate modelers struggle to produce scenarios that get the surface of Mars warm enough for keeping water unfrozen. A leading theory is to have a thicker carbon-dioxide atmosphere [...]

Looking Up – Bob Eklund

Looking Up – Bob Eklund

Close Views Show Saturn’s Rings in Unprecedented Detail -- Newly released images showcase the incredible closeness with which NASA’s Cassini spacecraft, now in its “ring-grazing” orbits phase, is observing Saturn’s dazzling rings of icy debris. The views are some of the closest-ever images of the outer parts of the main rings, giving scientists an eagerly awaited opportunity to [...]

Looking Up – Bob Eklund

Looking Up – Bob Eklund

The instrument at Lowell Observatory in Flagstaff, Arizona, used by Clyde Tombaugh to discover Pluto is about to undergo renovation. The year-long project, which began on January 12, will include restoration of both the historic telescope and the wooden dome that houses it. While the telescope will be removed from the dome during this work, the dome will be open from time to time for public tours [...]

Looking Up – Bob Eklund

Looking Up – Bob Eklund

After a two-and-a-half-hour descent, the metallic, saucer-shaped spacecraft came to rest with a thud on a dark floodplain covered in cobbles of water ice, in temperatures hundreds of degrees below freezing. The alien probe worked frantically to collect and transmit images and data about its environs—in mere minutes its mothership would drop below the local horizon, cutting off its link to the [...]

Looking Up – Bob Eklund

Looking Up – Bob Eklund

The European Southern Observatory (ESO) has signed an agreement with the Breakthrough Initiatives to adapt the Very Large Telescope instrumentation in Chile to conduct a search for planets in the nearby star system Alpha Centauri. Such planets could be the targets for an eventual launch of miniature space probes to Alpha Centauri by the Breakthrough Starshot initiative. The discovery in 2016 [...]

Looking Up – Bob Eklund

Looking Up – Bob Eklund

One of the rare and brief bursts of cosmic radio waves that have puzzled astronomers since they were first detected nearly 10 years ago has finally been tied to a source: an older dwarf galaxy more than 3 billion light-years from Earth. Fast radio bursts, which flash for just a few milliseconds, created a stir among astronomers because they seemed to be coming from outside our galaxy, which [...]

Looking Up – Bob Eklund

Looking Up – Bob Eklund

Renowned astrophysicist and National Medal of Science awardee Vera Rubin passed away in Princeton, N.J., the evening of December 25, 2016, at the age of 88. Rubin confirmed the existence of dark matter—the invisible material that makes up more than 90% of the mass in the universe. She was a retired staff astronomer at the Carnegie Institution’s Department of Terrestrial Magnetism in [...]

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