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News for Norther Colorado and the world

Thursday, July 31, 2014

‘Photo Essays’ Archives

Astronomy Picture of the Day

Astronomy Picture of the Day

Explanation: What if you could see the huge radio jets of Centaurus A rising? The Cen A radio jets are not only over a million light years long, they occupy an angular area over 200 times greater than the full Moon in Earth's sky. Centaurus Radio Jets Rising Credit: Ilana Feain, Tim Cornwell & Ron Ekers (CSIRO/ATNF); ATCA northern middle lobe pointing courtesy R. Morganti (ASTRON); Parkes data courtesy N. Junkes (MPIfR); ATCA & Moon photo: Shaun Amy, CSIRO Explanation: What if ... Full Story

Astronomy Picture of the Day

Astronomy Picture of the Day

    50 Years Ago: Yuri's Planet Credit: ISS Expedition 7 Crew, EOL, NASA Explanation: On April 12th, 1961, Soviet cosmonaut Yuri Alexseyevich Gagarin became the first human in space. His remotely controlled Vostok 1 spacecraft lofted him to an altitude of 200 miles and carried him once around planet Earth. Commenting on the first view from space he reported, "The sky is very dark; the Earth is bluish. Everything is seen very clearly". His view could have resembled this ... Full Story

Astronomy Picture of the Day

Astronomy Picture of the Day

  The above image shows, however, that even during off days the Sun's surface is a busy place.   Sunspot Loops in Ultraviolet Credit: TRACE Project, NASA Explanation: It was a quiet day on the Sun. The above image shows, however, that even during off days the Sun's surface is a busy place. Shown in ultraviolet light, the relatively cool dark regions have temperatures of thousands of degrees Celsius. Large sunspot group AR 9169 from the last solar cycle is visible as ... Full Story

Astronomy Picture of the Day

Astronomy Picture of the Day

A journey to the center of a red giant star is very firmly in the realm of science fiction. But the science of asteroseismology can explore the conditions there.   Echoes from the Depths of a Red Giant Star Illustration Credit & Copyright: Pieter Degroote (Leuven University) Credit: Paul Beck, Joris De Ridder, Conny Aerts (Leuven University), et al., ERC, PROSPERITY Explanation: A journey to the center of a red giant star is very firmly in the realm of science fiction. ... Full Story

Astronomy Picture of the Day

Astronomy Picture of the Day

NGC 2438 is a planetary nebula, the gaseous shroud cast off by a dying sunlike star billions of years old whose central reservoir of hydrogen fuel has been exhausted.   Planetary Nebula NGC 2438 Image Credit & Copyright: Daniel López, IAC Explanation: NGC 2438 is a planetary nebula, the gaseous shroud cast off by a dying sunlike star billions of years old whose central reservoir of hydrogen fuel has been exhausted. About 3,000 light-years distant it lies within the ... Full Story

Astronomy Picture of the Day

Astronomy Picture of the Day

If not perfect, then this spiral galaxy is at least one of the most photogenic. An island universe of about 100 billion stars,   M74: The Perfect Spiral Credit & Copyright: Descubre Foundation, Calar Alto Observatory, OAUV, DSA, V. Peris (OAUV), J. L. Lamadrid (CEFCA), J. Harvey (SSRO), S. Mazlin (SSRO), I. Rodriguez (PTeam), O. L. (PTeam), J. Conejero (PixInsight). Explanation: If not perfect, then this spiral galaxy is at least one of the most photogenic. An island ... Full Story

Astronomy Picture of the Day

Astronomy Picture of the Day

  The Trifid Nebula is Stars and Dust Credit & Copyright: Robert Gendler; Data Acquisition: Ryan Hannahoe Explanation: Unspeakable beauty and unimaginable bedlam can be found together in the Trifid Nebula. Also known as M20, this photogenic nebula is visible with good binoculars towards the constellation of Sagittarius. The energetic processes of star formation create not only the colors but the chaos. The red-glowing gas results from high-energy starlight striking ... Full Story

Astronomy Picture of the Day

Astronomy Picture of the Day

Over 400,000 light years across NGC 6872 is an enormous spiral galaxy, at least 4 times the size of our own, very large, Milky Way.   Giant Galaxy NGC 6872 Image Credit: Sydney Girls High School Astronomy Club, Travis Rector (Univ. Alaska), Ángel López-Sánchez (Australian Astronomical Obs./ Macquarie Univ.), Australian Gemini Office Explanation: Over 400,000 light years across NGC 6872 is an enormous spiral galaxy, at least 4 times the size of our own, very large, Milky ... Full Story

Astronomy Picture of the Day

Astronomy Picture of the Day

  Endeavour Looking Up Credit & Copyright: Ben Cooper ( Spaceflight Now, Launch Photography) Explanation: First flown in 1992, Endeavour, the youngest space shuttle orbiter, is being prepared for its 25th and final trip to low Earth orbit. Seen here from an exciting perspective 400 feet above the floor of Kennedy Space Center's Vehicle Assembly Building, Endeavour (OV-105) is mated to an external tank and solid rocket boosters just prior to roll out to launch pad 39A on ... Full Story

Astronomy Picture of the Day

Astronomy Picture of the Day

  It's Raining on Titan Illustration Credit & Copyright: David A. Hardy (AstroArt) Explanation: It's been raining on Titan. In fact, it's likely been raining methane on Titan and that's not an April Fools' joke. The almost familiar scene depicted in this artist's vision of the surface of Saturn's largest moon looks across an eroding landscape into a stormy sky. That scenario is consistent with seasonal rain storms temporarily darkening Titan's surface along the moon's ... Full Story

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