Articles tagged with "Astronomy"
Discovery of 9 new planets challenges the theory of Planet Formation
A team of astronomers have discovered 9 new planets outside our solar system! The nine planets are called "Hot Jupiters." Unlike the planets in our solar system, two of the newly discovered planets are orbiting in the opposite direction to the rotation of their host star. This, along with a recent study of other exoplanets, [...]
Image of a rare Stellar Eclipse
For the first time, a team of astronomers has imaged the eclipse of the star Epsilon Aurigae by its mysterious, less luminous companion star. Very high-resolution images, never before possible, have been published online in the journal Nature Letters. Take a look at the artist’s concept image, depicting Epsilon Aurigae (the supergiant star at right) [...]
Watch Brightest Mars on January 27
On January 27, planet Mars can be spotted closest, biggest and brightest from Earth. This is a good opportunity for stargazers to watch their favorite star with naked eyes! And on January 30, ”Mars Opposition” will occur, during which Mars and Sun are on directly opposite sides of Earth and Mars will be visible all [...]
New Super-Earth Discovered
Astronomers on Wednesday announced that they have discovered a "super-Earth" orbiting a red dwarf star 40 light-years from Earth. They found the distant planet with a small fleet of ground-based telescopes no larger than those many amateur astronomers have in their backyards. Although the super-Earth is too hot to sustain life, the discovery shows that [...]
Brightness Variations in Sun-like Stars remains unexplained
All stars with masses similar to our Sun become, towards the end of their lives, red, cool and extremely large, just before retiring as white dwarfs. Also known as red giants, these elderly stars exhibit very strong periodic variations in their luminosity over timescales up to a couple of years. Why such variations in brightness [...]
Superbright SN 2007bi Supernova is First of it’s kind
An extraordinarily bright, extraordinarily long-lasting supernova named SN 2007bi, detected by a robotic telescope, turns out to be the first example of the kind of stars that first populated the Universe. The superbright supernova occurred in a nearby dwarf galaxy, a kind of galaxy that’s common but has been little studied until now, and the [...]
NASA’s Fermi Gamma-ray Space Telescope looks at Microquasars
NASA’s Fermi Gamma-ray Space Telescope has made the first unambiguous detection of high-energy gamma-rays from an enigmatic binary system known as Cygnus X-3. The system pairs a hot, massive star with a compact object — either a neutron star or a black hole — that blasts twin radio-emitting jets of matter into space at more [...]
Spitzer Space Telescope discovers Youngest Brown Dwarf
NASA’s Spitzer Space Telescope has contributed to the discovery of the youngest brown dwarf ever observed. Spitzer’s longer-wavelength infrared camera penetrated the dusty natal cloud to observe a baby brown dwarf named SSTB213 J041757. The data, confirmed with near-infrared imaging from Calar Alto Observatory in Spain, revealed not one but two of what would potentially [...]
VERITAS Telescopes tells about the Origin of Cosmic Rays
New evidence from the VERITAS telescope array shows that cosmic rays, the subatomic particles (mostly protons) that zip through space at nearly the speed of light, likely are powered by exploding stars and stellar “winds.” These findings were published in the November 1 online issue of the journal Nature, and are being featured today in [...]
NASA Spacecraft Hits Moon in Search for Water
(Assams.Info) – US space agency NASA’s Lunar Crater Observation and Sensing Satellite (LCROSS) created twin impacts on the moon’s surface early Friday in a search for water ice. Now scientists will analyze data from the spacecraft’s instruments to assess whether water ice is present under moon surface.
LCROSS traveled 5.6 million miles during an historic 113-day [...]
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