Heavens

Studying solar wind

NASA's Genesis mission crash-landed back on Earth in 2004. The spacecraft spent more than two years in orbit around the sun collecting solar wind, which consists of charged particles, on various ultra-pure collector materials.

First ARTEMIS spacecraft successfully enters lunar orbit

The first of two ARTEMIS ("Acceleration, Reconnection, Turbulence and Electrodynamics of the Moon's Interaction with the Sun") spacecraft is now in its lunar orbit.

On June 22, ARTEMIS P1 began firing its thrusters to move out of its kidney-shaped "libration" orbit on one side of the moon, where it has been since January. Three successive maneuvers were used to kick the spacecraft out of its orbit and send it on a trajectory toward the moon.

Analyzing agroforestry management

MADISON, WI, JUNE 28, 2011 -- The evaluation of both nutrient and non-nutrient resource interactions provides information needed to sustainably manage agroforestry systems. Improved diagnosis of appropriate nutrient usage will help increase yields and also reduce financial and environmental costs. To achieve this, a management support system that allows for site-specific evaluation of nutrient-production imbalances is needed.

Children's hay fever relieved by cellulose power without adverse effects

A cellulose powder has been used increasingly for many years against allergic rhinitis. Still, there has been a shortage of scientific evidence for its efficacy in seasonal allergic rhinitis (hay fever), particularly in children. Now, however, scientists from the Sahlgrenska Academy and the Department of Plant and Environmental Sciences at the University of Gothenburg have proven that the cellulose powder reduces symptoms of seasonal allergic rhinitis in children, without any adverse effects.

LiquidText software supports active reading through fingertip manipulation of text

Many reading tasks require individuals to not only read a document, but also to understand, learn from and retain the information in it. For this type of reading, experts recommend a process called active reading, which involves highlighting, outlining and taking notes on the text.

Neutron star bites off more than it can chew

ESA's XMM-Newton space observatory has watched a faint star flare up at X-ray wavelengths to almost 10 000 times its normal brightness. Astronomers believe the outburst was caused by the star trying to eat a giant clump of matter.

The flare took place on a neutron star, the collapsed heart of a once much larger star. Now about 10 km in diameter, the neutron star is so dense that it generates a strong gravitational field.

The clump of matter was much larger than the neutron star and came from its enormous blue supergiant companion star.

Landsat Satellite images reveal extent of historic North Dakota flooding

Heavy rains in Canada caused historic flooding in Minot, N.D. Landsat satellite images taken before and during the flooding reveal the water's extent.

The Souris River finally crested on June 26, but not before more than 4,000 homes and hundreds of businesses were flooded. About one-fourth of Minot's 40,000 residents evacuated the city. Residents expect a long recovery as the river slowly retreats.

The Souris River reading at Minot's Broadway Bridge around 11:00 p.m. on June 25 reached nearly four feet higher than the all-time high set in 1881.

NASA sees Tropical Depression Meari about to cross North Vietnam

The Tropical Rainfall Measuring Mission (TRMM) satellite passed over Tropical Depression Meari as it neared a landfall in southwestern North Korea on June 26. TRMM did not observe any heavy rainfall, but did see moderate rainfall with the system.

A quiet phase: NIST optical tools produce ultra-low-noise microwave signals

By combining advanced laser technologies in a new way, physicists at the National Institute of Standards and Technology (NIST) have generated microwave signals that are more pure and stable than those from conventional electronic sources. The apparatus could improve signal stability and resolution in radar, communications and navigation systems, and certain types of atomic clocks.

Researchers share useful lessons learned in evaluating emerging technologies

Most industry executives, military planners, research managers or venture capitalists charged with assessing the potential of an R&D project probably are familiar with the wry twist on Arthur C. Clarke's third law*: "Any sufficiently advanced technology is indistinguishable from a rigged demo."

Twin-head cucumber system reduces start-up costs

ONTARIO, CANADA—Greenhouse vegetable production in North America has more than doubled in the past 10 years. While heavy investments have been made in modern greenhouses, improved cultivation technologies are essential for producers to realize the high productivity potential afforded by the improved facilities.

Fermilab experiment weighs in on neutrino mystery

Scientists of the MINOS experiment at the Department of Energy's Fermi National Accelerator Laboratory announced today (June 24) the results from a search for a rare phenomenon, the transformation of muon neutrinos into electron neutrinos. The result is consistent with and significantly constrains a measurement reported 10 days ago by the Japanese T2K experiment, which announced an indication of this type of transformation.

NASA sees Tropical Storm Haima poised for Vietnam landfall

NASA satellite imagery revealed that Haima has regained minimal tropical storm status with some powerful thunderstorms south of its center. Haima is moving west through the Gulf of Tonkin in the South China Sea between Hainan Island and Vietnam and is expected to bring heavy rains to Vietnam this weekend.

NASA sees Tropical Storm Meari headed for North Korea landfall

There are going to be two landfalling tropical cyclones in the Northwestern Pacific Ocean basin this weekend, Haima in Vietnam and Tropical Storm Meari in North Korea. NASA infrared satellite imagery today shows the Meari is stronger than Haima.

Space research gives birth to new ultrasound tools for health care in orbit, on Earth

HOUSTON – (June 23, 2011) – The remoteness and resource limitations of spaceflight pose a serious challenge to astronaut health care. One solution is ultrasound.