Heavens

Putting the squeeze on planets outside our solar system

LIVERMORE, Calif. -- Just as graphite can transform into diamond under high pressure, liquid magmas may similarly undergo major transformations at the pressures and temperatures that exist deep inside Earth-like planets.

Using high-powered lasers, scientists at Lawrence Livermore National Laboratory and collaborators discovered that molten magnesium silicate undergoes a phase change in the liquid state, abruptly transforming to a more dense liquid with increasing pressure. The research provides insight into planet formation.

New drugs schedule makes horse racing a sure thing

What do Gai Waterhouse and Anthony Cummings have in common with Queen Elizabeth II?

They've all owned horses that have been at the centre of doping scandals – but new research by a consortium including the Queensland University of Technology (QUT) is set to provide more certainty around the sometimes dicey business of administering therapeutic drugs to horses.

New integrated building model may improve fish farming operations

AMHERST, Mass. – Today's "locavore" movement with its emphasis on eating more locally-produced food is a natural fit for fruits and vegetables in nearly every region, but few entrepreneurs have dared to apply the concept to fish farming. Those who have ventured to turn a vacant barn or garage into an aquaculture business have too often been defeated by high energy and feed costs, building-related woes and serious environmental problems, says aquaculture researcher Andy Danylchuk at the University of Massachusetts Amherst.

NASA's TRMM satellite sees Cyclone Jasmine in 3-D

Data from NASA's TRMM satellite was used to create a 3-Dimensional look at Cyclone Jasmine, currently moving through the South Pacific Ocean.

The Tropical Rainfall Measuring Mission (TRMM) satellite is managed by both NASA and the Japanese Space Agency. Using TRMM data, 3-D images of Cyclone Jasmine were created at NASA's Goddard Space Flight Center in Greenbelt, Md.

Deconstructing a mystery: What caused Snowmaggedon?

In the quiet after the storms, streets and cars had all but disappeared under piles of snow. The U.S. Postal Service suspended service for the first time in 30 years. Snow plows struggled to push the evidence off of major roads. Hundreds of thousands of Washington metropolitan residents grappled with the loss of electricity and heat for almost a week.

NASA sees Tropical Storm 12S - a possible threat to Madagascar

The twelfth tropical depression formed in the Southern Indian Ocean today and quickly became a tropical storm, dubbed Tropical Storm 12S. NASA's Aqua satellite passed over the storm and captured infrared data that revealed a quickly developing tropical cyclone with powerful thunderstorms around its center of circulation.

Forecasters at the Joint Typhoon Warning Center expect a landfall in Madagascar in several days.

5-10 percent corn yield jump using erosion-slowing cover crops shown in ISU study

AMES, Iowa – The most recent annual results from a four-year Iowa State University study on using cover crops between rows of corn reveals that higher yields – by as much as 10 percent – are possible using the soil-saving approach to farming.

The results are the best yet in the ongoing research, according to Ken Moore, Distinguished Professor of agronomy and primary investigator on the project, who plans to carry on the trials for at least one more growing season.

NASA sees Tropical Cyclone Jasmine over Vanuatu and New Caledonia

NASA's Aqua satellite passed over Tropical Cyclone Jasmine on Feb. 8, 2012 as it was passing between Vanuatu and New Caledonia. NASA imagery showed Jasmine had a 20 nautical mile-wide eye.

Fresh city tomatoes, any time

What could be fresher? On his way home from the office, the computer scientist harvests tomatoes from his company's rooftop greenhouse. The plants growing there thrive on the building's purified waste water and waste heat. Plantation systems such as this are still unheard-of in Germany. But they may make their debut soon: "In our inFarming project – which is short for 'integrated farming' – we are developing solutions that can be speedily implemented for the urban landscape.

Citizen science: NGC 4449 dwarf galaxy discovered with help from amateur

A team led by UCLA research astronomer Michael Rich has used a unique telescope to discover a previously unknown companion to the nearby galaxy NGC 4449, which is some 12.5 million light years from Earth. The newly discovered dwarf galaxy had escaped even the prying eyes of the Hubble Space Telescope.

Tackling financial exploitation of elderly people

Professionals who are in close contact with elderly people could soon be in a better position to spot if they are being financially exploited, for example through a lottery scam or by a deceitful relative draining the bank account, thanks to a pioneering new study funded by the UK Research Councils' New Dynamics of Ageing programme (NDA)

NASA's Chandra finds Milky Way's black hole grazing on asteroids

The giant black hole at the center of the Milky Way may be vaporizing and devouring asteroids, which could explain the frequent flares observed, according to astronomers using data from NASA's Chandra X-ray Observatory.

New images capture 'stealth merger' of dwarf galaxies

SANTA CRUZ, CA--New images of a nearby dwarf galaxy have revealed a dense stream of stars in its outer regions, the remains of an even smaller companion galaxy in the process of merging with its host. The host galaxy, known as NGC 4449, is the smallest primary galaxy in which a stellar stream from an ongoing merger has been identified and studied in detail.

Spotlight on a stellar nursery

Deep in the heart of the southern Milky Way lies a stellar nursery called the Carina Nebula. It is about 7500 light-years from Earth in the constellation of Carina (The Keel) (1). The Carina nebula is spectacular in normal visible-light pictures, but many of its secrets are hidden behind thick clouds of dust.

VLT takes most detailed infrared image of the Carina Nebula

Deep in the heart of the southern Milky Way lies a stellar nursery called the Carina Nebula. It is about 7500 light-years from Earth in the constellation of Carina (The Keel) [1]. This cloud of glowing gas and dust is one of the closest incubators of very massive stars to the Earth and includes several of the brightest and heaviest stars known. One of them, the mysterious and highly unstable star Eta Carinae, was the second brightest star in the entire night sky for several years in the 1840s and is likely to explode as a supernova in the near future, by astronomical standards.