Sun

 Cosmic Tribune

A 1967 solar flare led NORAD to conclude its early-warning radars were being jammed by the Soviet Union

A 1967 solar flare led NORAD to conclude its early-warning radars were being jammed by the Soviet Union

On May 23, 1967, … all three of the United States’ ballistic missile early-warning radars became simultaneously jammed. Located in the high-latitude areas of Alaska, Greenland, and the United Kingdom, these radars were designed to detect incoming Soviet missiles, and any attack or disruption of these radars were considered to be an act of war. […]

 Cosmic Tribune

‘Built like an armored tank’, Juno swoops through debris, radiation in Jupiter’s upper atmosphere

‘Built like an armored tank’, Juno swoops through debris, radiation in Jupiter’s upper atmosphere

July 4, 2016 [CLICK ON IMAGE FOR HIGH RESOLUTION] NASA’s Juno spacecraft was to fire its main rocket engine late Monday to slow itself down from a speed of 150,000 mph (250,000 kph) and slip into orbit around Jupiter. With Juno on autopilot, the delicately choreographed move comes without any help from ground controllers. The […]

 Cosmic Tribune

For the next Summer solstice and full moon match-up, wait until 2062

For the next Summer solstice and full moon match-up, wait until 2062

[CLICK ON IMAGE FOR HIGH RESOLUTION, Laurie Hatch] A Full Moon sets as the Solstice Sun rises in this June 20 dawn skyscape. Captured from a nearby peak in central California, planet Earth, the scene looks across the summit of Mount Hamilton and Lick Observatory domes on a calendar date that marks an astronomical change […]

 Cosmic Tribune

Late lunar afternoon sun reveals shadow of Surveyor 1, still standing

Late lunar afternoon sun reveals shadow of Surveyor 1, still standing

[CLICK ON IMAGE FOR HIGH RESOLUTION, NASA / GSFC / Arizona State U. / Lunar Reconnaissance Orbiter Fifty years ago, Surveyor 1 reached the Moon. Launched on May 30, 1966 and landed on June 2, 1966 with the Moon at full phase it became the first U.S. spacecraft to make a soft landing on another […]

 Cosmic Tribune

Mercury takes 7.5 hours to transit the sun

Mercury takes 7.5 hours to transit the sun

[CLICK ON IMAGE FOR HIGH RESOLUTION, Howard Brown-Greaves] On May 9, the diminutive disk of Mercury spent about seven and a half hours crossing in front of the Sun as viewed from the general vicinity of Earth. It was the second of 14 transits of the Solar System’s innermost planet in the 21st century. Captured […]

 Cosmic Tribune

Omega Centauri is the largest globular star cluster and also nearby … and ancient

Omega Centauri is the largest globular star cluster and also nearby … and ancient

[CLICK ON IMAGE FOR HIGH RESOLUTION, Roberto Colombari] This huge ball of stars predates our Sun. Long before humankind evolved, before dinosaurs roamed, and even before our Earth existed, ancient globs of stars condensed and orbited a young Milky Way Galaxy. Of the 200 or so globular clusters that survive today, Omega Centauri is the […]

 Cosmic Tribune

Solstice Sun at Lulworth Cove

Solstice Sun at Lulworth Cove

[CLICK ON IMAGE FOR HIGH RESOLUTION, Chris Kotsiopoulos (GreekSky)] A southern exposure and striking symmetry made Lulworth Cove, along the Jurassic Coast of England, a beautiful setting during December’s Solstice. Five frames in this dramatic composite view follow the lowest arc of the Sun, from sunrise to sunset, during the shortest day of the year. […]

 Cosmic Tribune

New Year’s Eve solar storm could impact GPS

New Year’s Eve solar storm could impact GPS

A powerful solar storm set to slam Earth today will make for stunning views of the Northern Lights just before New Year’s Eve. The National Oceanic and Atmospheric Administration’s Space Weather Prediction Center said the “strong” storm could allow the Northern Lights to dip as far south as Oregon and Illinois. NOAA classifies solar storms […]

 Cosmic Tribune

Super Blood Moon, Sept. 27, 2015

Super Blood Moon, Sept. 27, 2015

[CLICK ON IMAGE FOR HIGH RESOLUTION] On a hunch, photographer Laurene Morton drove to Dinosaur Hill Park in Pleasant Hill, California Sunday evening. Sure enough, “a huge crowd was waiting” for the clouds to clear and the total eclipse, on the moon’s closest pass to the Earth. “Everyone’s been talking about” the “Super Blood Moon,” […]

 Cosmic Tribune

New comet makes the scene, just after sunset

New comet makes the scene, just after sunset

[CLICK ON IMAGE FOR HIGH RESOLUTION, Yuri Beletsky (Las Campanas Observatory, Carnegie Institution)] A comet has brightened quickly and unexpectedly. Discovered last year, Comet C/2014 Q1 (PanSTARRS) is expected to be visible now for a few days to the unaided eye, just after sunset. The comet rounded the Sun on July 6 and apparently has […]

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