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The latest topic specific space news, from the most reliable sources, all in one place.

NASA Image of the Day, Sat, 28 Jan 2012 05:29:13 GMT

Cloud streets off of the Aleutian Islands

Strong winds polished the snow of southwestern Alaska and stretched marine stratocumulus clouds into long, parallel streets in early January, 2012. After crossing Bristol Bay, the winds scraped the clouds across the tall volcanic peaks of the Aleutian Islands. As the wind impacted the immobile mountains, the airflow became turbulent, swirling in symmetric eddies and carving intricate patterns into the clouds on the leeward side of the islands. At the top of this image, the bright white color indicates a thick layer of snow overlying the land of southwestern Alaska. The pristine white is broken by the rugged Ahklun Mountain Range in the east, which is partially covered by a bank of clouds. Off the coast of Alaska, sea ice floats in Bristol Bay, cracked and chipped by the flow of the waters which lie underneath. A few cloud streets – parallel lines of clouds – can be seen in the far northwest over land. The clouds increase over the sea ice and become thick over open water, where row upon row of clouds lie close in perfectly parallel formation. The Aleutian Islands stretch from northeast to southwest across the image. Sea ice, which is bright white here, lies on the windward side of the islands. A few of the tallest volcanic peaks can be seen rising from the icy islands. The character of the cloud streets change as they impact the Aleutians, especially near the center of the image, where two rows of beautifully symmetric swirls of eddies in the clouds stretch across the sky. These swirling formations are known as von Karman vortex streets. This true-color image was captured by the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA’s Terra satellite on January 11, 2012. Image Credit: NASA/GSFC/Jeff Schmaltz/MODIS Land Rapid Response Team

Space Spin, Sat, 28 Jan 2012 05:29:14 GMT

MESSENGER images - December 12-16, 2011

The following new featured images taken by the MESSENGER spacecraft are now available:

A Small Pond (Released 12 December 2011)
This image shows a small pond of impact melt that was ejected from a crater just out of view.
Rays of Light Material (Released 13 December 2011)
The ejecta of this fresh 20-km impact crater swept the surface, leaving beautiful bright rays.
Conquest of the South Pole (Released 14 December 2011)
This image above shows a portion of Fram Rupes, a long scarp (cliff) formed by compressive forces generated as the planet's interior cooled and contracted.
Inside Eminescu (Released 16 December 2011)
This oblique view shows a portion of the rim of the crater Eminescu.

Mars Odyssey THEMIS images - December 12-16, 2011

The following new images taken by the Thermal Emission Imaging System (THEMIS) on the Mars Odyssey spacecraft are now available:

Windstreak (Released 12 December 2011)
This windstreak is location on the volcanic flows of Daedalia Planum.
Reull Vallis (Released 13 December 2011)
This VIS image shows Reull Vallis where it cuts through the rim of Lipik Crater.
Channel (Released 14 December 2011)
This unnamed channel drains part of Margaritifer Terra.
Daedalia Planum (Released 15 December 2011)
Extensive lava flows originating from Arsia Mons created Daedalia Planum.
Samara Valles (Released 16 December 2011)
This VIS image shows a portion of Samara Valles.

RXTE detects 'heartbeat' of smallest black hole candidate

An international team of astronomers has identified a candidate for the smallest-known black hole using data from NASA's Rossi X-ray Timing Explorer (RXTE).

The evidence comes from a specific type of X-ray pattern, nicknamed a "heartbeat" because of its resemblance to an electrocardiogram. The pattern until now has been recorded in only one other black hole system.

Space Wire Top Stories, Sat, 28 Jan 2012 05:29:14 GMT

NASA to Host Disaster Resiliency Management Panel

NASA Announcement NRA: NNJ12ZSA001N Ground-Based Studies in Space Radiobiology

NASA Updates Media Two Shuttle Move Photo Opportunity

Cassini Solstice Mission Latest, Sat, 28 Jan 2012 05:29:14 GMT

On this high-altitude encounter, the imaging science subsystem (ISS) performs high-resolution observations along Titan’s leading hemisphere at high southern latitudes.

Cassini Sees the Two Faces of Titan's Dunes

A new analysis of radar data reveals patterns tied to altitude and latitude.

Past Night

Mimas peeks out from behind the night side of the larger moon Dione in this Cassini image captured during the Dec. 12, 2011, flyby of Dione.

SPACE.com, Sat, 28 Jan 2012 05:29:15 GMT

Photos: Moon & Venus Dazzle in Skywatcher Views

See images of the moon and Venus close together.

Robotic Russian Supply Ship Docks at Space Station

The Progress 46 cargo ship delivered nearly 3 tons of cargo to the International Space Station.

Freedom 7 Mercury Capsule, Flown by 1st American in Space, Heads to Boston, D.C.

NASA astronaut Alan Shepard flew the Freedom 7 capsule on May 5, 1961.

NASA Breaking News, Sat, 28 Jan 2012 05:29:15 GMT

NASA's J-2X Engine Kicks Off 2012 With Powerpack Testing

A new series of tests on the engine that will help carry humans to deep space will begin next week at NASA’s Stennis Space Center in southern Mississippi. The tests on the J-2X engine bring NASA one step closer to the first human-rated liquid oxygen and liquid hydrogen rocket engine to be developed in 40 years.

Texas Students to Speak Live With Space Station Crew

Fifth- through eighth-grade students at Asa Low Intermediate School in Mansfield, Texas, will speak with NASA’s Expedition 30 Commander Dan Burbank and Flight Engineer Don Pettit aboard the International Space Station at 11:50 a.m. EST on Tuesday, Jan. 31.

Astronaut Jerry Ross, First Seven-Time Flier, Retires

Jerry Ross, the first person to launch into space seven times, has retired from NASA. In a career that spanned more than three decades, Ross spent almost 1,400 hours in space and conducted nine spacewalks to rank third on the list of most extravehicular activity time in space.

EurekAlert! - Space and Planetary Science, Sat, 28 Jan 2012 05:29:20 GMT

NASA eyes cyclone Iggy's threat to western Australia

(NASA/Goddard Space Flight Center) NASA satellites are providing valuable data to forecasters as Tropical Cyclone Iggy nears Western Australia. NASA's Aqua satellite provided visible and infrared data on Iggy, observing colder cloud tops and strengthening storm. Iggy has already triggered warnings and watches along coastal areas.

AGU announces 2012 Fellows

(American Geophysical Union) The American Geophysical Union recently announced its 2012 class of Fellows. This honor is given to individual AGU members who have made exceptional scientific contributions and attained acknowledged eminence in the fields of Earth and space sciences.

NASA sees a weakening Cyclone Funso's 'closed eye'

(NASA/Goddard Space Flight Center) Powerful Cyclone Funso's eye has been clear in NASA satellite imagery over the last several days until NASA's Aqua satellite noticed it had "closed" and become filled with high clouds on Jan. 27.

What's New at the Lunar & Planetary Institute Library, Sat, 28 Jan 2012 05:29:20 GMT

New & Noteworthy - News from the LPI

New & Noteworthy - Peer Review

New & Noteworthy - LPI RSS Feed

ESA Science & Technology, Sat, 28 Jan 2012 05:29:20 GMT

INTEGRAL:INTEGRAL reveals new facets of the Vela pulsar wind nebula

Astronomers studying the Vela pulsar wind nebula with ESA's INTEGRAL observatory have successfully resolved its morphology in the hard X-ray band, for the first time. This pulsar-powered nebula is the most extended individual source yet observed at these energies. The study exploited a special imaging technique to reveal a new component of the source that likely consists of highly energetic electrons that have escaped from the core of the nebula in the last few thousand years.

Cassini-Huygens:Cassini's radar observes Titan's tropical dune fields

Sand dunes are common on Earth, Mars, Venus and - unexpectedly - on Saturn's giant moon, Titan. Now detailed analysis of radar observations gathered during the Cassini spacecraft's flybys of cloud-shrouded Titan is enabling scientists to understand the distribution, shape and dimension of its exotic dunes.

Herschel:The Eagle Nebula as never seen before

In 1995, the Hubble Space Telescope's 'Pillars of Creation' image of the Eagle Nebula became one of the most iconic images of the 20th century. Now, two of ESA's orbiting observatories have shed new light on this enigmatic star-forming region.

ScienceDaily: Space & Time News, Sat, 28 Jan 2012 05:29:20 GMT

Mars-bound instrument detects solar burst's effects: RAD measures radiation from solar storm

The largest solar particle event since 2005 hit Earth, Mars and the Mars Science Laboratory spacecraft traveling in-between, allowing the onboard Radiation Assessment Detector to measure the radiation a human astronaut could be exposed to en route to the Red Planet.

NuSTAR spacecraft arrives in California

NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, mission arrived at Vandenberg Air Force Base in California Jan. 27 after a cross-country trip by truck from the Orbital Sciences Corporation's manufacturing plant in Dulles, Va. The mission is scheduled to launch from Kwajalein Atoll in the Pacific Ocean on March 14.

NASA's Kepler announces 11 new planetary systems hosting 26 planets

NASA's Kepler mission has discovered 11 new planetary systems hosting 26 confirmed planets. These discoveries nearly double the number of verified Kepler planets and triple the number of stars known to have more than one planet that transits, or passes in front of, the star. Such systems will help astronomers better understand how planets form.

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