Hale-Bopp's atomic tail

نویسندگان

چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Neutral sodium from comet Hale–Bopp: a third type of tail

We report on the discovery and analysis of a striking neutral sodium gas tail associated with comet C/1995 O1 Hale-Bopp. Sodium D–line emission has been observed at heliocentric distance r ≤ 1.4 AU in some long–period comets and the presence of neutral sodium in the tailward direction of a few bright comets has been noted, but the extent, and in particular the source, has never been clear. Here...

متن کامل

Sir William Hale-White, K.B.E.

The Fellowship ofPost Graduate Medicine has to record with great regret the passing of yet another of its original friends and supporters. As we write we have before us a copy of the POST GRADUATE MEDICAL JOURNAL, Vol. I, No. i, of October, I925, with the Foreword written by its founder, who subsequently held office as President of the Fellowship. ' In Great Britain' said Sir William 'the best ...

متن کامل

Are there a“Hale” and a“Bopp” in comet Hale-Bopp?

Comet C/1995 O1 Hale-Bopp was observed with the adaptive optics system adonis on the ESO 3.6 m telescope at La Silla, Chile, through the broadband J, H, K, SK (Short K) filters on 6 November 1997 and 15 January 1998. After processing of the images using different restoration techniques, the maximum brightness in the coma appeared as a double peak. The separation between the two components was 0...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Nature

سال: 1997

ISSN: 0028-0836,1476-4687

DOI: 10.1038/387023a0