Asteroid 7 Iris reaches opposition at 1 P.M. EST today. Now shining at 9th magnitude, you can best spot the main-belt world after dark, rising higher in the hours after sunset. By 10 P.M. local time, ...
Mars’ moons are easily visible at night from the Red Planet. Larger Phobos is brighter, while smaller Deimos is still brighter than any star.
The longer nights of August beckon with several treats this month. Saturn and Neptune undergo their second conjunction of the year, appearing together in a low-power telescope eyepiece. Telescopic ...
Already high in the east as darkness falls, Jupiter still dominates the constellation Gemini. The gas giant’s large moon Ganymede transits the disk this evening, with its shadow following a few hours ...
Jupiter reaches its best apparition in a decade for northern observers and offers a wealth of detail. Joining in late evening is brilliant Mars, now a month from opposition. Saturn is visible in the ...
A study led by SETI Institute scientist Matija Ćuk proposes that Saturn’s bright rings and its largest moon, Titan, may have both originated in collisions among its moons. This study was accepted for ...
Experience the awe of ancient history and the spectacle of a rare celestial event on this 5-day journey to Luxor, centered around the August 2 total solar eclipse. With an incredible totality of 6 ...
New Moon occurs at 7:01 A.M. EST, bringing an annular solar eclipse to Antarctica and part of the Southern Ocean. Only travelers in these regions will see the Moon cover nearly all of the Sun’s disk, ...
Recent months have featured a few stories about how Albert Einstein’s theories, or the ideas underpinning them, have all been confirmed to a new degree of accuracy. That’s usually the case: Scientists ...
You can credit Earth’s atmosphere with providing an orangish color to the Moon during an eclipse. The atmosphere acts like a ...
The Moon has always beckoned. Long before our ancestors realized “wandering stars” were actually planets sharing the solar system with Earth, they recognized the Moon was a sort of sibling to our ...
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