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astronomy

Laniakia supercluster. Source: R. Brent Tully et al, The Laniakea supercluster of galaxies, Nature 513, 2014.

Laniakia: Our exact address in the universe

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What could cause the most powerful flash of light ever observed?

The strongest flash of light ever observed in space - probably the result of a star "falling" into a black hole

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Illustration of a protoplanetary disc around a young star. Imaging: NASA/JPL-Caltech/T. Pyle.

The tumultuous resume of the solar system

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A giant solar flare recorded by NASA's Solar Dynamics Observatory. Source: NASA/SDO/AIA/GoddarSpace Flight Center.

Detectives following the sun

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Comparison between the moon at its closest point and at its farthest point. Photo:

Tonight: the biggest moon since 1948

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The Cancer Nebula: These supernova remnants glow with energy from a spinning neutron star driving a vortex of magnetized plasma. Source: NASA.

Strange supernovae reveal the stars' secrets

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How to find another Earth

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Sunspot up close. Photo: NASA

If you have a stain

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The Milky Way as photographed in 2008 by Yossi Khouri. At the bottom of the photo - the other participants in the observation using red lanterns to prevent light pollution and interference with the observation.

The Milky Way is currently hidden from about a third of humanity

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comet. Illustration: shutterstock

My life as a comet hunter

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The orbits of the planets in the solar system. Infographic - shutterstock

2016 - leap year - the astronomical explanation

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The inclination of the earth compared to the sun in each of the months of the year. Illustration: shutterstock

Spring starts tomorrow, a solar eclipse today, and a new moon is also close at birth - Equinox 2015

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The Cancer Nebula as photographed by the Hubble Space Telescope in 2005

Why is it not possible to photograph distant celestial objects from Earth, and for this purpose telescopes must be sent into space?

A bright meteor in the Giraffe Shower, May 24, 2014, as photographed from Duluth, Minnesota. Photo: Bob King, universe today

Report from the US: Giraffe meteor shower was sparse but produced some beautiful slow meteors

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Clustering of Venus, Mercury and Jupiter, May 27, 2013. Photo: Amir Barnett, Ilan Ramon Center for Youth Seeking Physics. in Be'er Sheva

Jupiter and Venus are not alone: ​​Jupiter, Venus and Mercury are in conjunction these days

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Saturn is at its closest point to the Earth tonight and being opposite the Sun and bright it will be visible throughout the night

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A chart of the seasons as they appear in the Northern Hemisphere. Right: the winter solstice in December. From Wikipedia

Today is the autumnal equinox and why, although technically this is true, there is really no equinox between day and night

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This year the exact time of the autumnal equinox is September 22 at 14:49 GMT
Artist's rendering of a near-Earth asteroid. Illustration: ESA - P.Carril

An asteroid will pass on the night between Sunday and Monday behind the orbit of the moon: link to a live broadcast of the transit

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Transit of Venus across the Sun, June 2004

Last transition and farewell

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Full moon in Phrygia. NASA illustration

Tomorrow the moon will appear bigger and brighter due to the combination of its proximity to the earth and its fullness with a difference of one minute

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Horsehead Nebula. Photography: Eran Zagair. Courtesy of the Weizmann Institute

Amateur astronomers present: light years within reach

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Ernst Friedrich Chaldani

Head-to-head with Newton: on Ernst Chaldani and the meteorites

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Image of the moon Triton as processed from Voyager 2 photographs

Triton-Moon of Neptune Summary of findings

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Solar eclipse in 2010. Photo: Netzaf Fabias. Courtesy of Amir Barnett, Ilan Ramon Center

A partial solar eclipse will be visible in Israel on January 4.1.2011, XNUMX

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supernova From Wikipedia

Astronomy - The Big Bang Theory

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