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Friday, September 14, 2012
The boundary of the solar system resists the Voyager 1
A study by Johns
Hopkins University of Maryland (USA) completed that the probe Voyager 1,
launched on September 5, 1977, is as close to the heliopause (the boundary
where the solar wind disappears and begins the interstellar medium ) as
scientists believed.
Voyager 1 is now in the
heliosheath, the region anterior to the heliopause, where the solar wind slows
and begins to show the effects of the interstellar medium.
Neil Armstrong and Lunar Module on a postcard collection
Of all the details that
NASA visualize for the first moon landing in history that of the shooting was
in the background. There are few photos that Armstrong, the first man on the
moon, can be seen. Fortunately people like Tom Dahl who used various shots of
the lunar activity conducted by Armstrong and Aldrin, to compose this
spectacular panorama. Based on a very limited artwork has achieved a truly
impressive result, which captures the immense and desolate lunar surface and
placed in a marginal but visible, the shadow of who was the first human to walk
on the soil.
The planets can form in the Galactic Center
Due to the insensitive
environmental conditions, the planets could not form near the galactic center.
However, new research conducted by astronomers at the Harvard-Smithsonian
Center for Astrophysics shows that it is possible to form planets in these
vortices cosmic.
As evidence point to
the recent discovery of a cloud of hydrogen and helium galactic heading
downtown. They argue that this cloud represents the remains of a shattered
protoplanetary disk orbiting a star invisible.
Thursday, September 13, 2012
Dawn has the Giant Asteroid Vesta Departed
Dawn Mission Status
Report
PASADENA, Calif. -
Mission controllers received confirmation NASA's Dawn spacecraft that has
escaped from the gentle gravitational grip of the giant asteroid Vesta. Dawn is
now officially on its way to its second destination, the dwarf planet Ceres.
Dawn departed from
Vesta at about 11:26 pm PDT on Sept... 4 (2:26 am EDT on Sept.. 5).
Communications from the spacecraft via NASA's Deep Space Network That confirmed
the departure and the spacecraft is now traveling Toward Ceres.
A Family Portrait of Galaxies
Two very different
galaxies attribute in this family portrait taken by the NASA / ESA Hubble Space
Telescope, together forming a exclusive galaxy pair called Arp 116. The image
shows the dramatic differences in size, structure and color spiral and
elliptical galaxies between.
Arp 116 is composed of
a giant elliptical galaxy Messier known as 60, and a much smaller spiral
galaxy, NGC 4647.
Mars's dramatic climate variations are driven by the Sun
On Mars's poles there
are ice caps of ice and dust layers with that reproduce to past climate
variations on Mars. Researchers from the Niels Bohr Institute have related the
layers in the ice cap on Mars's north pole to variations in Solar insulation on
Mars, the first dated THUS climate Established history for Mars, where ice and
dust accumulation has been driven by variations in insulation. The results are
published in the scientific journal, Icarus.
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