Sun

 Cosmic Tribune

Life on Mars? No, but there’s Curiosity

Life on Mars? No, but there’s Curiosity

[CLICK ON IMAGE FOR HIGH RESOLUTION / NASA, JPL-Caltech; Mosaic Processing: Marco Di Lorenzo, Kenneth Kremer] Shortly before Mars’ June 2015 conjunction, the Curiosity Rover celebrated 1000 sols on the red planet. After its Aug. 5, 2012 landing, Curiosity’s 1000th sol or martian day on the surface corresponded to planet Earth’s calendar date May 31, […]

 Cosmic Tribune

Red sunset from green Earth, blue sunset from red Mars

Red sunset from green Earth, blue sunset from red Mars

[CLICK ON IMAGE FOR HIGH RESOLUTION, Left Image: Damia Bouic; Right Image: NASA, JPL-Caltech] How different does sunset appear from Mars than from Earth? For comparison, two images of our common star were taken at sunset, one from Earth and one from Mars. These images were scaled to have same angular width and featured here […]

 Cosmic Tribune

Blood moon judgment: Israeli rabbi calls for prayer and repentance

Blood moon judgment: Israeli rabbi calls for prayer and repentance

JERUSALEM, Israel — A mystic Israeli rabbi from southern Israel has called on all Jews to repent and pray with the approach of the third blood moon of a tetrad cycle, to appear in the skies during Passover and Good Friday. The website Breaking Israel News reports that Rabbi Amram Vankin predicted years ago that […]

 Cosmic Tribune

The 2015 total solar eclipse, from Longyearbyen, Norway

The 2015 total solar eclipse, from Longyearbyen, Norway

LONGYEARBYEN, Norway, March 20, 2015 – I’ve been interested in astronomy ever since I was a kid. Late last year I left my job as an AFP news photographer to pursue a documentary project – as well as the night sky and astronomy photography that I love. I’ll shoot any kind of event like this, […]

 Cosmic Tribune

Lovejoy, the giant, green comet

Lovejoy, the giant, green comet

[CLICK ON IMAGE FOR HIGH RESOLUTION, Rogelio Bernal Andreo, Deep Sky Colors Sweeping north in planet Earth’s sky, Comet Lovejoy’s greenish coma and blue tinted ion tail stretched across this field of stars in the constellation Taurus on Jan. 13. The inset at the upper left shows the 1/2 degree angular size of the full […]

 Cosmic Tribune

Moon over Saturn

Moon over Saturn

[CLICK ON IMAGE FOR HIGH RESOLUTION, Carlos Di Nallo] What happened to half of Saturn? Nothing other than Earth’s Moon getting in the way. As pictured above on the far right, Saturn is partly eclipsed by a dark edge of a Moon itself only partly illuminated by the Sun. This year the orbits of the […]

 Cosmic Tribune

NASA: Astronomers think every star in Milky Way ‘has at least one planet’

NASA: Astronomers think every star in Milky Way ‘has at least one planet’

Cambridge, Mass – NASA predicts that 100 million worlds in our own Milky Way galaxy may host alien life, and space program scientists estimate that humans will be able to find life within two decades. Speaking at NASA’s Washington headquarters on Monday, the space agency outlined a plan to search for alien life using current […]

 Cosmic Tribune

Dying, nearby dwarf star is 12 time hotter than our sun

Dying, nearby dwarf star is 12 time hotter than our sun

[CLICK ON IMAGE FOR HIGH RESOLUTION, Adam Block, Mt. Lemmon SkyCenter, Univ. Arizona] The gorgeous, gaseous shroud of a dying sun-like star, planetary nebula Abell 36 lies a mere 800 light-years away in the constellation of Virgo. Shrugging off its outer layers, the nebula’s central star is contracting and becoming hotter, evolving towards a final […]

 Cosmic Tribune

Looking back to the sun from distant Neptune

Looking back to the sun from distant Neptune

[CLICK ON IMAGE FOR HIGH RESOLUTION, Data – Voyager 2, NASA Planetary Data System] Cruising through the outer solar system, the Voyager 2 spacecraft made its closest approach to Neptune on August 25, 1989, the only spacecraft to visit the most distant gas giant. Based on the images recorded during its close encounter and in […]

 Cosmic Tribune

Solar spectrum shifted from absorption to emission during eclipse

Solar spectrum shifted from absorption to emission during eclipse

[CLICK ON IMAGE FOR HIGH RESOLUTION / Constantine Emmanouilidi] In a flash, the visible spectrum of the Sun changed from absorption to emission on November 3rd, during the brief total phase of a solar eclipse. [Normally a spectrum of the sun will show dark lines where where wavelengths of energy for elements have been absorbed […]