February 21, 2009

some news

1. the most powerful gamma-ray burst had been recorded by Fermi telescope. gas trains supposedly moved at 99.9999% of c . there was also longest delay between highest and lowest energy emissions of about 5 sec. different mechanisms are thought to be responsible for these emissions. more here
GRB 080916C X-ray afterglow
2. astrophysicists from Leicester uni are following comet Lulin as it gets closer to our planet. the comet is of a green colour due to its atmosphere’s components – poisonous cyanogen and diatomic carbon. the comet will be visible to the naked eye, so watch out for it! more here
Grren comet
3. scientists from Gutenberg Universitat have measured one-neutron halo using laser techniques for the first time. More here
one-neutron halo
4. exploration. NASA and Chamber of Commerce (US) will hold a workshop concerned with current advancements in Lunar Surface Systems to support lifeforms and robots. we are going to watch out for the news from the workshop when it opens on the 25th this month. more here

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