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| subject: | S&T`s Weekly News B 01/0 |
> WHERE WAS THE BLACK DROP? > > As reports on the Venus transit come in from around the > world, the burning question in the observational community > surrounds the "black drop": Why did some people see it while > others did not? Did it happen at all? > > The black-drop effect is seen when a dark patch appears to > connect Venus with the dark sky past the edge of the Sun, sometimes > giving Venus a teardrop shape. It was widely observed and commented > on in the 18th and 19th centuries. Yet most observers didn't > report seeing a black drop this time. I watched the event through a 50 mm telescope. (With a proper filter of course). I did not see the black drop. Regards, Michiel Of those who did, most saw something much less > pronounced than the > effect observed in the past -- so much less pronounced that > they hesitated > to call it a black drop at all.... > > > http://SkyandTelescope.com/news/article_1277_1.asp > > - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - > - - - - - - > > NEARBY REMNANT OF A GAMMA-RAY BURST? > > Midway between the stars Delta and Zeta in the > constellation Aquila, > 35,000 light-years from us around the curve of the Milky > Way, lurks the > remnant of a titanic gamma-ray burst that exploded a few > thousand years > ago -- right in our own galaxy. At least that's the > speculative claim of > Jonathan W. Keohane, an astronomer from the Spitzer Science > Center at NASA > 's Jet Propulsion Laboratory in Pasadena. In a poster > presentation at the > American Astronomical Society meeting in Denver, Keohane > argues that the > well-known supernova remnant W49B is actually the remains > of a gamma-ray > burst. But other astronomers say it's much too early to > tell.... > > > http://SkyandTelescope.com/news/article_1275_1.asp > > =========================== > ============================================= > > HIGHLIGHTS OF THIS WEEK'S SKY > > * Jupiter (magnitude -2.0, between the feet of Leo) shines > in the > west-southwest during evening -- the brightest point of > light in the sky. > Jupiter sets around 12:30 a.m. daylight saving time. > * Dawn challenge for Wednesday, June 16th: no more than 30 > minutes before > sunrise Wednesday morning, scan with binoculars just above > the > east-northeast horizon for the hairline waning crescent > Moon with Venus -- > itself a tiny hairline crescent! -- glimmering below it. > * New Moon, Thursday, June 17th. > (Continued to next message) > > ___ > þ OLXWin 1.00b þ A day without sunshine is like night. > > --- Maximus/2 3.01 > USR33k6 (1:396/45) --- Marena 1.1 beta 960901> * Origin: Sursum Corda! BBS-New Orleans 1-504-897-6006 * Origin: Thou shalt not go faster than light. (2:280/5555) SEEN-BY: 633/267 270 @PATH: 280/5555 5003 379/1 396/45 106/2000 633/267 |
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