This week host Jared Head with co-hosts Cariann Higginbotham and Michael Clark ask, “How do we harness this “sudden” interest in space for good? For evil? For Mars? Or beyond”
Space News reports:
* Soyuz launches two more Galileo satellites * Russian-American-British crew launches toward space station * Russian data relay satellite launched by Proton rocket * PSLV completes commercial launch with six Singaporean satellites * China Launches DAMPE, a dark matter investigation satellite * SpaceX set for RTF this Sunday
This will be their
Last show of 2015! Enjoy the rest of the year and we look forward to seeing you early 2016!
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Some of the best works of art come from children who are only limited by their imaginations, like the more than 150 young explorers from across the country who submitted artwork depicting human spaceflight as they see it. Sixteen masterpieces were chosen to be included in the Commercial Crew Program’s 2016 Children’s Artwork Calendar, which is now available for download here. We offer a huge “thank you!” to all the explorers, ranging in age from four to 12, who submitted their work and hope that everyone will enjoy and use this calendar next year.
Perfectly timed for the release of “Star Wars Episode VII: The Force Awakens“, the NASA/ESA Hubble Space Telescope has imaged a cosmic double-bladed lightsabre. In the centre of the image, partially obscured by a dark Jedi-like cloak of dust, an adolescent star shoots twin jets out into space, demonstrating the fearsome forces of the Universe
This celestial lightsabre lies not in a galaxy far, far away, but within our home galaxy, the Milky Way. More precisely, it resides within a turbulent patch of space known as the Orion B molecular cloud complex, which is located just over 1350 light-years away in the constellation of Orion (The Hunter).
Bearing a striking resemblance to Darth Maul’s double-bladed lightsabre in Star Wars Episode One, the spectacular twin jets of material slicing across this incredible image are spewing out from a newly formed star that is obscured from view, cloaked by swirling dust and gas.
Zooming on HH 24: This video begins with a ground-based view of the night sky, before zooming on the knotted clumps of gas that make up the Herbig–Haro object 24, as the NASA/ESA Hubble Space Telescope sees it. Credit: ESA/Hubble, NASA, Digitized Sky Survey, N. Risinger (skysurvey.org). Music: Johan B Monell
When stars form within giant, gaseous clouds, some of the surrounding material collapses down to form a rotating, flattened disc encircling the nascent stars, which are known as protostars. This disc is where a potential planetary system might form. However, at this early stage, the star is mostly concerned with feeding its Jabba-like appetite. Gas from the disc rains down onto the protostar and, once nourished, the star awakens and jets of energised gas from its poles whirl out in opposite directions.
The Force is strong with these twin jets; their effect on their environment demonstrates the true power of the Dark Side with a blast stronger than one from a fully armed and operational Death Star battle station. As they stream away from one another at high speeds, supersonic shock fronts develop along the jets and heat the surrounding gas to thousands of degrees.
Furthermore, as the jets collide with the surrounding gas and dust and clear vast spaces, they create curved shock waves. These shockwaves are the hallmarks of Herbig-Haro (HH) objects — tangled, knotted clumps of nebulosity. The prominent Herbig-Haro object shown in this image is HH 24.
Just to the right of the cloaked star, a couple of bright points of light can be seen. These are young stars peeking through and showing off their own faint lightsabres. One hidden, cloaked source, only detectable in the radio part of the spectrum, has blasted a tunnel through the dark cloud in the upper left of the image with a wider outflow resembling “force lightning”.
Panning across HH 24: This video pans over NASA/ESA Hubble Space Telescope observations of the Herbig-Haro object 24. The two energetic jets as well as the dozens of knots of clumped gas are clearly visible. Credit: ESA/Hubble Music: Johan B Monell
All these jets make HH 24 the densest concentration of HH jets known in such a small region. Half of the HH jets have been spotted in this region in visible light, and about the same number in the infrared. Hubble’s observations for this image were performed in infrared light, which enabled the telescope to pierce through the gas and dust cocooning the newly-forming stars and capture a clear view of the HH objects that astronomers are looking for.
The stellar jets of HH 24 in 3D: This movie envisions a three-dimensional perspective on the Herbig-Haro object as it is seen by the NASA/ESA Hubble Space Telescope.
The sequence starts with a wide-field view covering the vast dark cloud of the Orion B molecular cloud complex and a scattering of stars. As the virtual camera flies into the dark nebula, the stars pass off-screen and the details of the forming stars and their red jets are revealed.
While the central star is hidden, its lightsabre-like jets peak out of the gas and dust. These jets have carved an hourglass-shaped cavity in the near side of the nebula.
The jet from another stellar newborn in this region has created a cylindrical tunnel through the gas extending to the left. Careful study of the Hubble data reveals a few other jets heating and displacing the gas and dust around them.