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Telescope

An artist's conception of the HD142527 system, with gas streamers being pulled towards the...

Observations made with the Atacama Large Millimeter/Submillimeter Array (ALMA) in northern Chile, which is scheduled for completion this year, have solved a longstanding mystery in solar system formation. They showed how protoplanets forming around a young star can use their own gravitational pull to slingshot matter in the direction of their host star, fueling its growth.  Read More

Gizmag's top five astronomical targets for small telescopes (Photo: Shutterstock)

If you received a telescope for Christmas, or bought one for your kids, your adventures in amateur astronomy are just beginning. Astronomy is the art and science of actually looking at the heavens and even a small telescope will let you find a host of celestial wonders. So where do you begin? Here are our suggestions for five of the most rewarding and spectacular objects with which to start your adventure in amateur astronomy ... plus some important tips on using a telescope.  Read More

The newly inaugurated Murchison Widefield Array (MWA) telescope will act as an early warni...

After a long eight-year wait, the building of Australia's Murchison Widefield Array (MWA) telescope has finally reached completion. The radio telescope's first major task will be to investigate the Sun to provide earlier warnings of solar storms that, if left unchecked, could fry satellites and power grids across the globe. The telescope will also be sued to scout the sky for the earliest, most distant galaxies ever detected in an attempt to resolve unanswered questions on the origins of the Universe.  Read More

The galaxy NGC 1277 as photographed by the Hubble Space Telescope

Astronomers from the University of Texas at Austin have measured the second-largest black hole ever discovered. It takes up some 14 percent of the galaxy's mass and may lead to an overhaul of theories regarding the formation and evolution of black holes.  Read More

An artist's impression of the surface of Makemake (Image: ESO/L. Calçada/Nick Risinger (sk...

In April 2011, Makemake – one of five dwarf planets in our Solar System – passed between Earth and a distant star. Using seven telescopes, an international team of astronomers observed the event, known as stellar occultation, and through careful analysis, have determined the planet's size, density, and even the nature of its atmosphere.  Read More

Artist's impression of Kepler-47, the first confirmed binary system with multiple planets ...

It's been more than three and a half years since the Kepler Space Telescope began its mission as humanity's watcher for Earth-like planets outside of the Solar System. In that time, Kepler has done exactly what was asked of it: provide the data to help identify more than 2,300 exoplanet candidates in other star systems. And so NASA has announced the "successful completion" of Kepler's prime mission. There's one nagging detail, though: we are yet to find a truly Earth-like planet. It's time to alter the parameters of the search.  Read More

Astrophoto of M31, the Andromeda Galaxy, taken with an 85mm (3.35 in) diameter Takahashi a...

While nearly everyone enjoys a good astrophoto, the precision with which the astrograph (the telescope taking the photograph) must follow the stars is not widely appreciated. To take a good astrophoto of any but the brightest objects requires following their motion through the sky accurately. There are a number of approaches toward addressing this problem in the digital era. Perhaps the best option has now been enabled by Innovations Foresight's new ON-Axis Guider (ONAG).  Read More

The huge 9-gigapixel image contains some 84 million stars

The European Space Observatory (ESO) has released an impressive 9-gigapixel image of the central part of the Milky Way Galaxy. The historic image contains some 84 million stars and represents the largest ever catalog of the center of our home galaxy.  Read More

CHEOPS, the first of ESA's S-class missions, will study super-Earths

The European Space Agency (ESA) is set to give existing orbiting probes, such as COROT and Kepler, a helping hand in studying super-Earths. Selected from 26 proposals, the CHEOPS (CHaracterising ExOPlanets Satellite) spacecraft is the first S-class (“small”) mission in the ESA’s Science Programme. A partnership between the ESA and the Swiss Space Office, CHEOPS will not seek out new exoplanets, but will instead target nearby, bright stars that are already known to have orbiting planets.  Read More

Artist's impression from a point in the Alpha Centauri triple star system, showing the new...

European astronomers working from the European Southern Observatory (ESO) in Chile have discovered a planet slightly more massive than Earth, orbiting a star in the Alpha Centauri triple star system – the nearest stellar system to our planet. Alpha Centauri Bb (as the new exoplanet is called, the star being Alpha Centauri B) is the first Earth-sized body found orbiting a Sun-like star and was discovered by measuring the tiny wobbles of Alpha Centauri B as it moves in response to the gravitational pull of the orbiting planet. It is orbiting Alpha Centauri B every three days and six hours at an orbital radius of six million kilometers (3.7 million miles). The proximity to the star leads to a surface temperature of some 1,500º K (2,250º F/1,232º C) – hot enough to melt granite.  Read More

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