Hi guys, Check this out for the simple derivation of e^ix=cosx+isinx http://mathworld.wolfram.com/EulerFormula.html But I have one doubt about this link, they...
Hi Sandesh, Please note that pi in the special case you are referring to is pi radians i.e. 180 degrees and not 3.142! Now keep your calculator in radians mode...
Dear Sandesh, The Euler's formula is correct and has greatly simplified the life for the analyses in the complex domain. The notation 'Pi' represents the...
Thanx Sukhada and Manish for correcting my Blunder. Actually I should not have used calci for such a simple calculation. If you know trigonometry then this...
The comet is wonderful. I have snapped up 35 pictures using a C-14 SCT and a Planetcam CCD. I hope to stack up the images and send the picture out soon. ...
hey jayashree , I do not have any direct method of finding longi'''' cos" we need some or the other reference to find out longi"" or at least 2 people standing...
hey jayashree , I do not have any direct method of finding longi'''' cos" we need some or the other reference to find out longi"" or at least 2 people standing...
Hi friends, Everybody knows Perseids Meteor shower is on Monday morning, Those who have seen it before knows its a one of the best meteor showers of the ...
Hi all, to make you all there bit envious....I witnessed a good Perseid Shower at this place where I stay. I stay at Tsukuba near Tokyo in Japan. 36deg North...
Lucky you Abhay. I tried to observe Perseids from a chair in a nearby Park but had multiple layers of clouds over us. Finally gave up after about 30mins and...
Hi, Google is unveiling within Google Earth today a new service called Sky that will allow users to view the skies as seen from Earth. Like Google Earth, Sky...
it looks good. bit better than google mars. of course...i see no reason why to use it for starry night or any thing like that ,cartes-du-ciel ; is same or...
Hi Friends , As you are aware , binoculars are a great way to start on Astronomy. They show you DSO in night & can be used for terrestrial viewing , besides...
Hi all check out photos of Aurigid Meteor Shower of 1 Sept 2007. http://www.sameerthakur.net/2007/09/2007-aurigid-meteor-shower-photos.html Sameer......
Hi friends Google has revamped their Google Moon maps site. You can now see little astronaut icons with info bubbles for specific moonlanding sites. ...
BIGGEST MOON MISSION SINCE APOLLO: JAXA launches 'Kaguya' lunar probe Japan's space agency took a big leap forward in Asia's undeclared space race Friday by...
Hi, Anyone interested???? On September 27, 2007, around 14.8h UT, Pluto passes extremely close to an 8.7-magnitude star, SAO 160793. This is the brightest star...
Hey Hrishi, How did you suggest to capture this event, as you know there is no actual occultation but pluto comes very close less than 1" from star. And if at...
More information about the occultation, and the effects of the relatively large angular diameter of the target star on the phenomena that might be observed, by...
A bold new mission to the Moon was launched today by the Chinese National Space Administration (CNSA). Chang'e-1 blasted off from the Xichang Satellite Launch...
Hi All Its realy amazing... After reading this post from Amar sharma I rushed to terrace with binoc and before i put my eyes to binoc i saw it distinct star ...
Hi All Today comet is clearly nebular and even more bright!!!! please checkout my observation log of Comet Holmes. I have posted 1 sketch and 2 photographs on...
I too observed the comet yesterday. I rushed to terrace to see the comet when I got its information through net. I was shoked to see the the comet naked eyes...
Hi All Today sky was little hazy, visually comet was almost same brightness as 25th oct. ~2.5 but through telescope size of comet is little bigger ~1.25 times...