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Samsung Galaxy S5 Hammer Smash Fail = Battery Explosion

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Please, never hammer the back of your Samsung Galaxy S5 device. I attempted to do my usual knife and hammer test but I ended up getting some unexpected results instead. Here is the raw footage.
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The Citizen Scientists of Stardate: M83

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Early this year, along with +The Zooniverse folks, we ran a citizen scientist campaign designed to help astronomers get age dating information for star clusters in the galaxy M83 (also known  as the Southern Pinwheel Galaxy).

The project was a resounding success, providing astronomers with a plethora of information to help understand the ages of star clusters and their gas content.  Now, we’d like to take time to discuss what some of the more prolific amateur astronomers experienced and to get their insights and advice for doing this kind of science online.

Please join +Tony Darnell, +Carol Christian and others as we discuss the project with the citizen scientists who used it the most.

The Cosmic Distance Ladder

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How do we know how far away things are in the universe?  What Yardsticks to we use and how accurate are they?

On Monday, March 31, a workshop will be held at The Space Telescope Science Institute to discuss these topics and more.  As an added bonus, Dr. Adam Riess, winner of the 2011 Nobel Prize in Physics will join +Tony Darnell and Mario Livio to share his unique insights into this important topic in a hangout Monday Evening.

Dr. Riess won his Nobel Prize using one of the best yardsticks in the universe to measure distance: Type 1a supernova.  We hope you can join us and bring your questions!

Celestial Snow Angel 3D: Star-forming Region Sharpless 2-106

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This video is the stereo 3D version of “Celestial Snow Angel: Star-forming Region Sharpless 2-106”

The star-forming region Sharpless 2-106 (S106) has a bi-polar shape that, in a December 2011 Hubble press release, was likened to a “celestial snow angel”. The “wings” of the nebula are actually bubbles of hot gas created by stellar winds and high energy radiation coming from a massive, hot, newborn star in the center. A ring of dense gas and dust encircles that star and forces the outflows into two oppositely directed lobes. The blue light in the S106 image represents hotter gas along the interior of the lobes, while the red light comes from cooler gas along the exterior.

This movie presents a scientific visualization of S106 in which the Hubble image has been augmented with additional field-of-view from the Subaru Infrared Telescope. A couple research articles in science journals described the basic hourglass-like shape of the nebula. Based on those papers, and augmented by intuition and artistic license as needed, the stars and the lobes of glowing gas from the Hubble/Subaru two-dimensional image have been separated and sculpted to create the depth in the movie. This three-dimensional view illustrates and emphasizes that many of the objects contained within astronomical images are not at the same distance, but, in fact, spread across many light-years of space. Note, however, that the relative distances between stars and the nebula have been compressed.

For more information and to download this video, go to: http://hubblesite.org/videos/video_details/19-celestial-snow-angel-3d-star-forming-region

For more videos, visit: http://hubblesite.org/videos/

Celestial Snow Angel: Star-forming Region Sharpless 2-106

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The star-forming region Sharpless 2-106 (S106) has a bi-polar shape that, in a December 2011 Hubble press release, was likened to a “celestial snow angel”. The “wings” of the nebula are actually bubbles of hot gas created by stellar winds and high energy radiation coming from a massive, hot, newborn star in the center. A ring of dense gas and dust encircles that star and forces the outflows into two oppositely directed lobes. The blue light in the S106 image represents hotter gas along the interior of the lobes, while the red light comes from cooler gas along the exterior.

This movie presents a scientific visualization of S106 in which the Hubble image has been augmented with additional field-of-view from the Subaru Infrared Telescope. A couple research articles in science journals described the basic hourglass-like shape of the nebula. Based on those papers, and augmented by intuition and artistic license as needed, the stars and the lobes of glowing gas from the Hubble/Subaru two-dimensional image have been separated and sculpted to create the depth in the movie. This three-dimensional view illustrates and emphasizes that many of the objects contained within astronomical images are not at the same distance, but, in fact, spread across many light-years of space. Note, however, that the relative distances between stars and the nebula have been compressed.

For more information and to download this video, go to: http://hubblesite.org/videos/video_details/18-celestial-snow-angel-star-forming-region

For more videos, visit: http://hubblesite.org/videos/

A Horse of a Different Color 3D

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This is the stereo 3D version of “A Horse of a Different Color”.

The Horsehead Nebula is a dark cloud of dense gas and dust located just below the belt of Orion on the sky. A visible light view shows a strong silhouette resembling the horse’s head used for a knight in chess. Infrared light, however, reveals a more complex scene, as shown in Hubble’s 2013 image. The warm parts of the clouds glow in infrared light, plus longer infrared wavelengths can penetrate deeper into the clouds. A dark and relatively featureless scene is revealed as a glowing gaseous landscape.

This video presents a scientific visualization of the Horsehead Nebula as seen in infrared light. To fill out the widescreen frame, the central Hubble image has been augmented by ground-based observations from the European Southern Observatory’s Visible and Infrared Survey Telescope for Astronomy (VISTA). The three-dimensional interpretation has been sculpted to create a wispy and mountainous environment, with stars distributed in an approximate and statistical manner. The computer graphics model is intended to be scientifically reasonable, but not fully accurate. This imaginative traverse provides an inspiring spaceflight experience that brings the celestial scene to life.

For more information or to download this video, visit: http://hubblesite.org/videos/video_details/12-a-horse-of-a-different-color-3d

For more videos, visit: http://hubblesite.org/videos/