“The action of the shaping does not happen when the star becomes a planetary nebula,” Decin says, but is already happening hundreds of thousands to millions of years before, during the red giant phase. FromScience News Following Anna Deavere Smith is like following a swiftly moving nebula....
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Science Courses / Earth Science 101: Earth Science Planetary Nebula | Definition, Facts & Structure Lesson Transcript Author Coralie Nettles View bio Instructor Elizabeth (Nikki) Wyman View bio Learn about the meaning of planetary nebulae, as well as their forms and structure, lifespan, ...
Given the distance of the nebula and the suggested supernova age suggested in that paper (so considering that it takes the light coming from the nebula about 5,700 years to reach Earth, meaning that what we see is 5,700 years in the past), this would imply that the pillars might have...
I just received an e-mail from Nebula Genomics announcing that they are offering a whole genome 30X (30 scan coverage) sequence (WGS) for $299,plus a subscriptionto maintain access to updates in their research library. The idea is to sequence once and update your data forever, meaning that...
https://science.nasa...ium-heart-orion That Robert Gendler Hubble image shows numerous features in the Trapezium area. Many/most are cataloged. But I have to run now. You can go as deep as you could want. Perhaps this will give you some resources. But for communication between amateurs,...
A pulsar wind nebula (PWN, plural PWNe), sometimes called a plerion (derived from the Greek "πλήρης", pleres, meaning "full"),[1] is a type of nebula sometimes found inside the shell of a supernova remnant (SNR), powered by winds generated by a central pulsar. These ne...
Posted by: Scott Tags: Ellen Datlow, Harlan Ellison, Jay Lake, Nebula Awards, Robert Silverberg, science fiction Posted date: May 14, 2014 | No comment There was no Instagram back in 2004—but I wasn’t going to let that stop me from Instagramming the 2004 Nebula Awards weekend! Early...
A pulsar wind nebula (also known as "plerion", derived from Ancient Greek "pleres" meaning "full"鈥攁 term coined by Weiler & Panagia [1978]) is a nebula powered by the pulsar wind of a pulsar. At the early stages (firs...
This nebula is known as an infrared nebula because it glows brightly in the infrared wavelength, though this particular image was taken in the visible light wavelength. It is a reflection nebula, meaning that it is a cloud of dust and gas which is not itself ionized, but which reflects the...