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Magnetic ripples may solve mystery of Sun's heat Aug 31, 2007
Strange Martian feature not a 'bottomless' cave after all Aug 31, 2007
Supersonic 'rain' pelts planet-forming disc Aug 30, 2007
Apollo Moon photos reveal detail Aug 29, 2007
Warped space-time helps pin down neutron star size Aug 29, 2007
Jupiter shield's mixed blessing Aug 28, 2007
Mars rovers begin to stir as dust storms recede Aug 27, 2007
Ignition of third ion engine boosts asteroid probe Aug 26, 2007
Biggest void in space is 1 billion light years across Aug 24, 2007
Planet Uranus rings the changes Aug 24, 2007
Google Earth given celestial view Aug 23, 2007
Diamond record of ancient Earth Aug 23, 2007
Vibrations on the Sun may 'shake' the Earth Aug 22, 2007
Endeavour shuttle returns safely Aug 21, 2007
Rare dead star found near Earth Aug 20, 2007
Was the brightest supernova the birth of a quark star? Aug 20, 2007
Hurricane fears shorten spacewalk Aug 19, 2007
Did life begin on comets? Aug 17, 2007
Cosmic 'train wreck' defies dark matter theories Aug 16, 2007
Colossal tail trails dying star Aug 15, 2007
Commercial space station to launch before 2010 Aug 15, 2007
Space station fitted with new steering gyroscope Aug 14, 2007
Fiery rock will test whether life came from space Aug 13, 2007
Stargazers enjoy meteor spectacle Aug 13, 2007
NASA assesses damage to shuttle Aug 12, 2007
Could alien life exist in the form of DNA-shaped dust? Aug 11, 2007
Largest swarm of giant stars is a 'supernova factory' Aug 10, 2007
Endeavour heads for space station Aug 9, 2007
Nearby black hole caught burping gamma rays Aug 8, 2007
Astronomers close in on cause of 'smoking' stars Aug 7, 2007
Galaxies clash in four-way merger Aug 6, 2007
Largest known exoplanet puzzles astronomers Aug 6, 2007
Lander targets Mars' water Aug 6, 2007
Lift off for NASA's Mars probe Aug 4, 2007
Planet orbiting giant red star discovered Aug 4, 2007
Slim chance of tuning in to alien TV Aug 4, 2007
Saturn ring created by remains of long-dead moon Aug 3, 2007
Cassini probe may fly through Saturn moon's plume Aug 2, 2007
Launch of NASA Mars probe delayed Aug 1, 2007

solar corona
Magnetic ripples may solve mystery of Sun's heat
(Aug 31, 2007)

Elusive magnetic ripples called Alfvén waves have been spotted shimmering in the Sun's outer atmosphere, or corona, for the first time. The waves travel 10 times faster than the speed of sound and may help crack the mystery of why the corona is so much hotter than the Sun's visible surface.

Read more. Source: New Scientist

dark feature on Mars may be just a pit
Strange Martian feature not a 'bottomless' cave after all
(Aug 31, 2007)

An extremely dark feature on Mars is probably just a pit – not the entrance to a deep cavern that future astronauts could call home, a new image reveals. The 150- by 157-metre feature was first noticed in an image taken by NASA's Mars Reconnaissance Orbiter on 5 May 2007 using a camera called the High Resolution Imaging Science Experiment (HiRISE).

Read more. Source: New Scientist

Artist impression of a disk of gas and dust around a developing star. Credit: NASA/JPL-Caltech
Supersonic 'rain' pelts planet-forming disc
(Aug 30, 2007)

Water from space is 'raining' onto a planet-forming disc at supersonic speeds, new observations from the Spitzer Space Telescope reveal. The unprecedented detail of the observations at this early stage of the disc's formation could help reveal which of two competing theories of planet formation is correct.

Read more. Source: New Scientist

image of the Moon taken during the Apollo 15 mission
Apollo Moon photos reveal detail
(Aug 29, 2007)

Highly detailed photographs of the Moon taken by the Apollo missions are being made available to the public for the first time in more than 30 years. Photos taken on the Apollo 15, Apollo 16, and Apollo 17 missions in the 1970s showed the Moon in great detail but were only ever viewed by a few scientists. Since then they have been locked away in freezers by NASA to preserve them.

Read more. Source: BBC

neutron star and accretion disk
Warped space-time helps pin down neutron star size
(Aug 29, 2007)

Astronomers have a new way to pin down the size and nature of stellar corpses called neutron stars, which are so dense they may boast exotic forms of matter seen nowhere else in the universe. The method relies on observations of effects predicted by Einstein's theories of special and general relativity.

Read more. Source: New Scientist

planet bombardment
Jupiter shield's mixed blessing
(Aug 28, 2007)

It is a commonly held belief that Jupiter shields Earth from comets or asteroids that might otherwise hit us. This idea is based on a 1994 study that looked at comets originating from outside our Solar System. New research, presented at the European Planetary Science Congress, has looked at the effect of Jupiter on comets already within our Solar System. It seems that, whilst Jupiter does deflect some comets away from us, it sends almost as many comets towards us.

Read more. Source: BBC

Mars rovers begin to stir as dust storms recede
(Aug 27, 2007)

NASA's twin Mars rovers Spirit and Opportunity are starting to move again after being immobilised for six weeks by severe dust storms. The storms hit in late June, just as Opportunity was poised to enter the 800-metre-wide Victoria crater, which may contain crucial geological records of past conditions on Mars.

Read more. Source: New Scientist

Ignition of third ion engine boosts asteroid probe
(Aug 26, 2007)

A third ion engine is now running on Japan's problem-plagued Hayabusa spacecraft. Having another working engine increases the chances that the spacecraft will be able to limp back to Earth. If the craft does return as planned in 2010, researchers will finally find out whether it collected the first-ever samples from an asteroid during its two landings on the tiny space rock Itokawa.

Read more. Source: New Scientist

largest known void in the universe
Biggest void in space is 1 billion light years across
(Aug 24, 2007)

Radio astronomers have found the biggest hole ever seen in the universe. The void, which is nearly a billion light years across, is empty of both normal matter and dark matter. The finding challenges theories of large-scale structure formation in the universe.

Read more. Source: New Scientist

changing appearance of the rings of Uranus
Planet Uranus rings the changes
(Aug 24, 2007)

Astronomers have captured remarkable new images of the rings of Uranus. The rings are currently edge-on to Earth, in an event that only happens every 42 years. A team, led by Imke de Pater from University of California, Berkeley, has analysed the rings' structure, with some surprising results.

Read more. Source: BBC

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