1.0ASSAhttp://assa.saao.ac.zadavehttp://assa.saao.ac.za/author/dave/Comet Siding Spring's encounter with Marsrich600338<blockquote class="wp-embedded-content"><a href="http://assa.saao.ac.za/comet-siding-springs-encounter-with-mars/">Comet Siding Spring’s encounter with Mars</a></blockquote>
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