... reflection nebula Messier 78 (NGC 2068) includes the soft glow of€а submillimetre-wavelength (infra red) radiation from clouds of interstellar dust grains running through the nebula.Dense clouds of gas and dust like this are the birthplaces of new stars ...
... display is caused by sunlight reflecting on dust that is floating in orbit around ... This cosmic dust lies in the plane of our Solar System (also called the ecliptic ... These grains of dust can range in size from being as small as a grain of sand to ...
... Many spiral galaxies have bars of stars, gas and dust running across their centres. ... Galaxies are islands of stars and dust in a Universe otherwise empty of ... As this material, dust, gas, and perhaps even stars, is swallowed vast quantities of ...
... December 2007 Astronotes 1 The last men on the Moon by Alyson Kerr, Education Support Officer On 14th December 1972, the Apollo 17 crew finished 22 hours of rock and dust sampling and started the journey home. ...
[
Текст
]
Ссылки http://www.armaghplanet.com/pdf/AstroTopics/History%20and%20Biographies/The%20last%20men%20on%20the%20Moon.pdf -- 214.7 Кб -- 20.09.2011 Похожие документы
... Many spiral galaxies have bars of stars, gas and dust running across their centres. ... Galaxies are islands of stars and dust in a Universe otherwise empty of ... As this material, dust, gas, and perhaps even stars, is swallowed vast quantities of ...
... annually from 19 April until 18 May as the Earth passes into the dust particles left behind by the renowned HalleyтАЩs Comet ... It is a spiral galaxy similar to our own Milky Way and has dark brown dust lanes leading to its bright centre. ...
... In modern days we know that it is our view of our galaxy, its stars, layers of interstellar dust and a central bulge where a supermassive black hole lurks. ...
[
Текст
]
Ссылки http://www.armaghplanet.com/pdf/AstroTopics/Beyond%20the%20Solar%20System/Guide%20to%20the%20galaxies.pdf -- 108.9 Кб -- 20.09.2011 Похожие документы