UA-113443594-1

HKU scientist makes key discoveries in the search for life on...

IMAGE: A false color image from the HiRISE instrument aboard NASA's Mars Reconnaissance Orbiter shows amazing diversity of rocks exhumed from the Martian subsurface a meteor impact in the Nili Fossae... view more  Credit: NASA/JPL/University of Arizona The planet Mars has long drawn interest from scientists and non-scientists as a possible place to search for evidence of life beyond Earth because the surface contains numerous familiar…

NASA technology to help locate electromagnetic counterparts of gravitational waves

IMAGE: rincipal Investigator Jeremy Perkins and his co-investigator, Georgia de Nolfo, recently won funding to build a new CubeSat mission, called BurstCube. Respectively, Perkins and de Nolfo hold a crystal, or... view more  Credit: Credits: NASA/W. Hrybyk A compact detector technology applicable to all types of cross-disciplinary scientific investigations has found a home on a new CubeSat mission designed to find the electromagnetic counterparts of events…

HINODE captures record breaking solar magnetic field

IMAGE: (top) Visible light continuum image. (bottom) Magnetic field strength map. The color shows the field strength, from weak (cool colors) to strong (warm colors). Red indicates a location with a... view more  Credit: NAOJ/JAXA Magnetism plays a critical role in various solar phenomena such as flares, mass ejections, flux ropes, and coronal heating. Sunspots are areas of concentrated magnetic fields. A sunspot usually consists of…

New study sheds light on moon’s slow retreat from frozen Earth

A study led by University of Colorado Boulder researchers provides new insight into the Moon's excessive equatorial bulge, a feature that solidified in place over four billion years ago as the Moon gradually distanced itself from the Earth. The research sets parameters on how quickly the Moon could have receded from the Earth and suggests that the nascent planet's hydrosphere was either non-existent or still…

New study sheds light on Moon’s slow retreat from frozen Earth

A study led by University of Colorado Boulder researchers provides new insight into the Moon's excessive equatorial bulge, a feature that solidified in place over four billion years ago as the Moon gradually distanced itself from the Earth. The research sets parameters on how quickly the Moon could have receded from the Earth and suggests that the nascent planet's hydrosphere was either non-existent or still…

Hubble delivers first insight into atmospheres of potentially habitable TRAPPIST-1 planets

IMAGE: This is an artist's impression of the TRAPPIST-1 system, showcasing all seven planets in various phases. When a planet transits across the disk of the red dwarf host star, as... view more  Credit: NASA An international team of astronomers has used the NASA/ESA Hubble Space Telescope to look for atmospheres around four Earth-sized planets orbiting within or near TRAPPIST-1's habitable zone. The new results further…

NASA finds wind shear tearing Tropical Cyclone Cebile apart

NASA's Aqua satellite passed over the Southern Pacific Ocean and found that wind shear was adversely affecting Tropical Cyclone Cebile. The Moderate Resolution Imaging Spectroradiometer or MODIS instrument aboard NASA's Aqua satellite provided a visible image of Cebile on Feb. 5 at 3:25 a.m. EST (0925 UTC). The image showed the bulk of clouds and thunderstorms were being sheared to the southeast of the center…

Baby, it’s cold outside: understanding conditions for star formation

Researchers demonstrate how a gas escapes ice at an extremely cold temperature, providing insight about how stars form in interstellar clouds. The mechanism by which hydrogen sulphide is released as gas in interstellar molecular clouds is described by scientists in Japan and Germany, in the journal Nature Astronomy. The process, known as chemical desorption, is more efficient than previously believed, and this has implications for…

TRAPPIST-1: Findings show exoplanets made of rock and water

In 2016, a team of researchers led by EU-funded astronomer Michael Gillon at the University of Liege, Belgium, discovered three temperate Earth-sized planets orbiting TRAPPIST-1, an ultra-cool dwarf star just 40 light years from Earth. A few months later, Gillon surprised the world with the discovery of a whole planetary system made of a total of seven planets around this star. A set of new…

TRAPPIST-1 planets probably rich in water

IMAGE: This artist's impression shows several of the planets orbiting the ultra-cool red dwarf star TRAPPIST-1. New observations, when combined with very sophisticated analysis, have now yielded good estimates of the... view more  Credit: ESO/M. Kornmesser Planets around the faint red star TRAPPIST-1, just 40 light-years from Earth, were first detected by the TRAPPIST-South telescope at ESO's La Silla Observatory in 2016. In the following year…
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