UA-113443594-1

‘Cataclysmic’ collision shaped Uranus’ evolution

Uranus was hit by a massive object roughly twice the size of Earth that caused the planet to tilt and could explain its freezing temperatures, according to new research. Astronomers at Durham University, UK, led an international team of experts to investigate how Uranus came to be tilted on its side and what consequences a giant impact would have had on the planet's evolution. The…

New IR instrument searches for habitable planets

IMAGE: Comparing the star's spectrum (broken line) to the laser frequency comb (dots) allows researchers to calculate the motion of the star. view more  Credit: Astrobiology Center A new instrument to search for potentially habitable/inhabited planets has started operation at the Subaru Telescope. This instrument, IRD (InfraRed Doppler), will look for habitable planets around red dwarf stars. Astronomers are hoping that investigating these small but numerous…

NASA finds Prapiroon strengthen into a typhoon

IMAGE: On July 2 12:48 a.m. EDT (0448 UTC) the VIIRS instrument aboard NASA-NOAA's Suomi NPP satellite captured a visible image of Tropical Cyclone Prapiroon, located between Taiwan and Japan.... view more  Credit: Credits: NOAA/NASA Goddard Rapid Response Team Tropical Cyclone Prapiroon strengthened into a Typhoon as NASA-NOAA's Suomi NPP satellite passed over the East China Sea in the Northwestern Pacific Ocean. On June 6 at…

Study reveals secret origins of asteroids and meteorites

GAINESVILLE, Fla. --- Most asteroids and meteorites originate from the splintering of a handful of minor planets formed during the infancy of our solar system, a new study shows.  A study appearing online today in Nature Astronomy found at least 85 percent of 200,000 asteroids in the inner asteroid belt -- the main source of Earth's meteorites -- originate from five or six ancient minor…

Astronaut Dan Burbank Retires from NASA

NASA Astronaut Dan Burbank, who spent 188 days in space over three missions, is retiring from the agency.

New mystery discovered regarding active asteroid Phaethon

IMAGE: The DESTINY+ mission is scheduled to investigate Phaethon. view more  Credit: NAOJ Based on a new study of how near-Earth asteroid Phaethon reflects light at different angles, astronomers think that its surface may reflect less light than previously thought. This is an exciting mystery for the recently approved DESTINY+ mission to investigate when it flies past Phaethon. The way an object reflects light depends not…

NASA infrared data reveals Tropical Storm Emilia is strengthening

IMAGE: On June 28 at 4:59 p.m. EDT (2059 UTC) the AIRS instrument aboard NASA's Aqua satellite showed powerful storms with very cold cloud top temperatures (purple) in excess of minus... view more  Credit: Credits: NASA JPL, Heidar Thrastarson Infrared NASA satellite imagery provided cloud top temperatures of thunderstorms that make up Tropical Storm Emilia. Comparing those NASA temperature readings with another satellite's data obtained the…

Astronomers observe the magnetic field of the remains of supernova 1987A

[TORONTO] For the first time, astronomers have directly observed the magnetism in one of astronomy's most studied objects: the remains of Supernova 1987A (SN 1987A), a dying star that appeared in our skies over thirty years ago. In addition to being an impressive observational achievement, the detection provides insight into the early stages of the evolution of supernova remnants and the cosmic magnetism within them.…

NASA’s GPM finds heavy rainfall on Tropical Storm Prapiroon’s southwestern side

When the Global Precipitation Measurement mission or GPM core satellite passed over the Northwestern Pacific Ocean, it saw very heavy rainfall occurring in one part of Tropical Storm Prapiroon. Tropical Depression 09W was located east of the Philippines when it was upgraded early today, June 29, to Tropical Storm Prapiroon. The tropical storm is in a favorable environment for intensification. Vertical wind shear is low…

Continental microbes helped seed ancient seas with nitrogen

IMAGE: Artist's rendition of the environments of primeval earth in the Archaean, including the well-known aquatic stromatolites that are formed by carbonate-precipitating microorganisms. The close-up inset illustrates terrestrial biocrusts, typically organized... view more  Credit: Estelle Couradeau Like our oceans, today's continents are brimming with life. Yet billions of years ago, before the advent of plants, continents would have appeared barren. These apparently vacant land forms were…
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