News tagged with dark matter

How small can galaxies be?

Yesterday I talked about just how small a star can be, so today let's explore just how small a galaxy can be. Our Milky Way galaxy is about 100,000 light years across, and contains about 200 billion stars. Th ...

Sep 29, 2014
4.8 / 5 (26) 27
{"cc_re__cc_re__cc_by_sa_3_0": ["nding of its nature have remained elusive. Though the theory of dark matter remains the most widely accepted theory to explain the anomolies in observed galactic rotation, some alternative theories such as MOND and TeVeS have been proposed. None of these alternatives, however, have garnerned widespread support in the scientific community.</p></p>\n\t</article>\t\n\t\n\t<div class=\"wiki-credit\">\n\t\tThis text uses material from <a href=\"http://en.wikipedia.org/Dark_matter\">Wikipedia</a>,\n\t\tlicensed under <a href=\"http://creativecommons.org/licenses/by-sa/3.0/\">CC BY-SA</a>\n\t</div>\n\n    </section>\n    \n\n\t\t\t\t\t\n\t\t\t\t    <p class=\"rss-box\">\n\t\t\t\t\t<img class=\"rss-icon\" width=\"14\" height=\"14\" src=\"http://cdn.phys.org/tmpl/v4/img/icons/icon-rss.png\" alt=\"rss\">\n\t\t\t\t\tSubscribe to <a href=\"http://phys.org/rss-feed/tags/dark+matter/\">rss feed</a>\n\t\t\t\t    </p>\n\t\t\t\t\n\t\t\t\t    \n\t<script type=\"text/javascript\"><!--\n        google_ad_client = \"ca-pub-0536483524803400\";\n        /* Phys.org - Tags page 2 */\n        google_ad_slot = \"1038251535\";\n        google_ad_width = 3"], "copyright__copyright__copyright": ["News tagged with dark matter\n\nHow small can galaxies be?\n\nYesterday I talked about just how small a star can be, so today let's explore just how small a galaxy can be. Our Milky Way galaxy is about 100,000 light years across, and contains about 200 billion stars. Th ...\n\nSep 29, 2014\n4.8 / 5 (26) 27"]}