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For the 26th birthday of NASA's Hubble Space Telescope, astronomers are highlighting a Hubble image of an enormous bubble being blown into space by a super-hot, massive star. The Hubble image of the Bubble Nebula, or NGC 7635, was chosen to mark the 26th anniversary of the launch of Hubble into Earth orbit by the STS-31 space shuttle crew on April 24, 1990.
The Bubble Nebula is 7 light-years across — about one-and-a-half times the distance from our sun to its nearest stellar neighbor, Alpha Centauri — and resides 7,100 light-years from Earth in the constellation Cassiopeia.
The star forming this nebula is 45 times more massive than our sun. Gas on the star gets so hot that it escapes away into space as a "stellar wind" moving at over 4 million miles per hour. This outflow sweeps up the cold, interstellar gas in front of it, forming the outer edge of the bubble much like a snowplow piles up snow in front of it as it moves forward.
As the surface of the bubble's shell expands outward, it slams into dense regions of cold gas on one side of the bubble. This asymmetry makes the star appear dramatically off-center from the bubble, with its location in the 10 o'clock position in the Hubble view.
Dense pillars of cool hydrogen gas laced with dust appear at the upper left of the picture, and more "fingers" can be seen nearly face-on, behind the translucent bubble.
The gases heated to varying temperatures emit different colors: oxygen is hot enough to emit blue light in the bubble near the star, while the cooler pillars are yellow from the combined light of hydrogen and nitrogen. The pillars are similar to the iconic columns in the "Pillars of Creation" in the Eagle Nebula. As seen with the structures in the Eagle Nebula, the Bubble Nebula pillars are being illuminated by the strong ultraviolet radiation from the brilliant star inside the bubble.
The Bubble Nebula was discovered in 1787 by William Herschel, a prominent British astronomer. It is being formed by a prototypical Wolf-Rayet star, BD +60°2522, an extremely bright, massive, and short-lived star that has lost most of its outer hydrogen and is now fusing helium into heavier elements. The star is about 4 million years old, and in 10 million to 20 million years, it will likely detonate as a supernova.
Hubble's Wide Field Camera 3 imaged the nebula in visible light with unprecedented clarity in February 2016. The colors correspond to blue for oxygen, green for hydrogen, and red for nitrogen. This information will help astronomers understand the geometry and dynamics of this complex system.
The Bubble Nebula is one of only a handful of astronomical objects that have been observed with several different instruments onboard Hubble. Hubble also imaged it with the Wide Field Planetary Camera (WFPC) in September of 1992, and with Wide Field Planetary Camera 2 (WFPC2) in April of 1999.
Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)
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Jessie and I played with bubbles today! Check out JBLT Photography's group to see more coming soon :)
Set-up sheet behind as backdrop and removed wrinkles with steamer. Mom blowing bubbles beside her keeping her attention. I used a halogen spot light pointed to the ceiling to give ambient light. On camera 430ex flash used as fill light.
Barbie: "B**** stole my look!" ...
Lilli: "No darling, YOU stole MINE!!"
My friend Dean Peter Watkeys gifted me his fabulous bubble-skirted 'Golden Gaytime' fashion he made for a previous collection he sold, which was inspired by Aussie sweet treats! I wanted to put it on a Titan bubblecut but my ones were already occupied... so my bald Hong Kong Bild Lilli borrowed Miss Barbie's wig to fit the bill! (She was another gift from Dean, who also restrung and repainted her to look a little more like her German sis!) My brunette #3/#4 hybrid gal is nonetheless impressed with Lilli's outfit, while she wears Mattel's 'Gay Parisienne.'
bubbles on the inside of a wine glass, back lit by a flashlight and ring light was used. It looks like hundreds of sparkling rings.
This is a piece of metalised bubble wrap tape which I use on my outside tap to keep the frost off during the winter months. Taken just before I removed the tape for the season ahead.
Taken in natural light with my Sigma 105mm f2.8 Macro lens with manual focus set at the 1:1 setting, hand held.
This most recent set of bubble photos were taken using a studio flash and plain old washing up liquid and water. The bubble doesn't last very long at all, between 30 and 60 secdonds, but the colours are great! The powerful studio flash allows me to use F/32 and ISO 100 which ensures the sharpest image.
Thought I'd try taking a photo of water bubbling out of a bottle. I think the result I got is interesting, the water looks like crumpled cellophane instead of water.
my sister randomly started blowing bubbles this afternoon so i grabbed my camera and ran outside. this was my favorite out of the 50 some odd pictures that i took. coolest bubble shape ever? hell yes.
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