NASA image release July 3, 2012
Caption: Resembling a Fourth of July skyrocket, Herbig-Haro 110 is a geyser of hot gas from a newborn star that splashes up against and ricochets off the dense core of a cloud of molecular hydrogen. Although the plumes of gas look like whiffs of smoke, they are actually billions of times less dense than the smoke from a July 4 firework. This Hubble Space Telescope photo shows the integrated light from plumes, which are light-years across.
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Herbig-Haro (HH) objects come in a wide array of shapes, but the basic
configuration stays the same. Twin jets of heated gas, ejected in
opposite directions away from a forming star, stream through
interstellar space. Astronomers suspect that these outflows are fueled
by gas accreting onto a young star surrounded by a disk of dust and
gas. The disk is the "fuel tank," the star is the
gravitational engine, and the jets are the exhaust.
When these energetic jets slam into colder gas, the collision plays out like a traffic jam on the interstate. Gas within the shock front slows to a crawl, but more gas continues to pile up as the jet keeps slamming into the shock from behind. Temperatures climb sharply, and this curving, flared region starts to glow. These "bow shocks" are so named because they resemble the waves that form at the front of a boat.
In the case of the single HH 110 jet, astronomers observe a spectacular and unusual permutation on this basic model. Careful study has repeatedly failed to find the source star driving HH 110, and there may be good reason for this: perhaps the HH 110 outflow is itself generated by another jet.
Astronomers now believe that the nearby HH 270 jet grazes an immovable obstacle - a much denser, colder cloud core - and gets diverted off at about a 60-degree angle. The jet goes dark and then reemerges, having reinvented itself as HH 110.
The jet shows that these energetic flows are like the erratic outbursts from a Roman candle. As fast-moving blobs of gas catch up and collide with slower blobs, new shocks arise along the jet's interior. The light emitted from excited gas in these hot blue ridges marks the boundaries of these interior collisions. By measuring the current velocity and positions of different blobs and hot ridges along the chain within the jet, astronomers can effectively "rewind" the outflow, extrapolating the blobs back to the moment when they were emitted. This technique can be used to gain insight into the source star's history of mass accretion.
This image is a composite of data taken with Hubble's Advanced Camera for Surveys in 2004 and 2005 and the Wide Field Camera 3 in April 2011.
Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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lindseyannee, bswise, ltimanot, ElenaKosmo, and 143 other people added this photo to their favorites.
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mschmidt62 11 months ago | reply
The fireworks similes and comparisons seem a little forced to me. Beautiful object and fascinating science, however.
Helen Marie Brown 11 months ago | reply
beautiful photo, looks like jewels floating in a dark river
dodagp 11 months ago | reply
Beautiful and reflective image,compelling description !!!
DasGroovey [deleted] 11 months ago | reply
This demonstrates clearly (by definition provide above) that plasma physics, over time lol,
is replacing nuclear models in scientific terms. Space is no longer defined as a vacuum but a highly energetic substratum - Sankhya logic defines it further as balanced synchronous interaction of a triad of guna forces - observed within plasma's twisted filamentary (Birckland) currents that are seen everywhere throughout the entire cosmos.
Fredrik Posse 11 months ago | reply
Those things are actually out there. Nuts.
ArlindoCarvalho 11 months ago | reply
Super. Congratulations.
Joe'sInTheHouse 11 months ago | reply
Beautiful!!
Cat2398 11 months ago | reply
And we thought we did good photographing smoke ~ showoffs :-P ... spectacular image
De la calle loca. 11 months ago | reply
waaaaaow
RomanGlass* 10 months ago | reply
ah.. space is such a beautiful creation.. in all its forms... this is an amazing view
amrounehicham 8 months ago | reply
hi hicham amroune