Results 101 to 110 of about 48,282 (244)

Report of the Terrestrial Bodies Science Working Group. Volume 8: The comets [PDF]

The determination of the nuclear and atmospheric properties of comets, and the interaction of the solar wind with the comet tail are scientific objectives for a mission to one or more comets in the next decade.
Brandt, J. C., Chapman, C. R., Fanale, F. P.   +2 more
core   +1 more source

Simultaneous Swift X-ray and UV views of comet C/2007 N3 (Lulin)

, 2012
We present an analysis of simultaneous X-Ray and UV observations ofcomet C/2007 N3 (Lulin) taken on three days between January 2009 and March 2009 using the Swift observatory.
A. M. Read, Beiersdorfer, Blush, Bodewits, Bodewits, Bodewits, Breeveld, Burrows, Carter, Cash, Christian, Collier, Combi, Cravens, D. Bodewits, Dennerl, Ezoe, Feldman, Festou, Gehrels, Geiss, Godet, Gosling, Haser, Huebner, J. A. Carter, Kharchenko, Kharchenko, Knight, Koutroumpa, Krasnopolsky, Krasnopolsky, Lin, Lisse, Lisse, Lisse, Lisse, Lisse, Mason, Mawhorter, Neugebauer, Ootsubo, Pagani, Parker, Poole, Richardson, Roming, S. Immler, Schleicher, Schwadron, Shi, Snowden, Stone, Wegmann, Wegmann, Willingale, Wolk, Zurbuchen   +57 more
core   +1 more source

On the acceleration of the receding masses in the tail of Halley's comet 1910 June 6 [PDF]

, 1910
E. E. Barnard
openalex   +1 more source

Interplanetary magnetic fields as a cause of comet tails [PDF]

Interplanetary magnetic fields as cause of comet ...
Beard, D. B., Nakada, M. P.
core   +1 more source

The Active Asteroids

, 2015
Some asteroids eject dust, producing transient, comet-like comae and tails; these are the active asteroids. The causes of activity in this newly-identified population are many and varied.
Agarwal, Jessica, Hsieh, Henry, Jewitt, David   +2 more
core   +1 more source

First images of a possible CO(+)-tail of comet P/Schwassmann-Wachmann 1 observed against the dust coma background [PDF]

Comet P/Schwassmann-Wachmann 1 was observed with the 2m-Ritchey-Cretien Telescope of the Bulgarian National Observatory, Rozhen, Bulgaria, using the CCD-camera and focal reducer of the Max-Planck-Institute for Aeronomy.
Bonev, T., Ivanova, Violeta, Jockers, Klaus, Rauer, H.   +3 more
core   +1 more source

Conditions for the formation of anomalous tail of comet

Open Astronomy, 2019
The time and velocity of ejection of dust particles of anomalous tails from cometary nuclei are determined. It is revealed that some comets cause the formation of an anomalous tail is the collision of their comet nucleus with other bodies of the Solar ...
Safarov Abduljalol G., Ibadinov Khursand I.   +1 more
doaj   +1 more source

Suggestions as to the structure of the tails of comets [PDF]

The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science
(1859). Suggestions as to the structure of the tails of comets. The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science: Vol. 18, No. 122, pp. 479-480.
openaire   +3 more sources

The comet rendezvous asteroid flyby mission: A status report [PDF]

The Comet Rendezvous Asteroid Flyby (CRAF) mission received a new start in fiscal year 1990. CRAF will match orbits with an active short-period comet and follow it around the Sun, making scientific measurements of the nucleus, coma, and tail. The Imaging
Neugebauer, Marcia, Weissman, Paul R.
core   +1 more source

بررسی اثر ژنوپروتکتیو عصاره‌های آبی و متانولی اندام هوایی کرفس کوهی بر آسیب ناشی از ماده‌ی ژنوتوکسیک متیل متان سولفونات

مجله دانشکده پزشکی اصفهان, 2013
مقدمه: تخریب DNA به دنبال تماس با عوامل توکسیک گوناگون می‌تواند سبب افزایش خطر سرطان شود. گیاه کرفس کوهی یکی از گیاهان اندمیک ایران می‌باشد که مصرف خوراکی و دارویی دارد.
Mahmoud Etebari, Seyed Ebrahim Sajjadi, Abbas Jafarian-Dehkordi, Masumeh Panahi   +3 more
doaj