1.0UNISTELLARhttps://www.unistellar.com/ja/Unistellarhttps://www.unistellar.com/ja/author/unistellar/惑星防衛とは？rich600338<blockquote class="wp-embedded-content" data-secret="8XlyBPTRge"><a href="https://www.unistellar.com/ja/blog/dart-what-is-planetary-defense/">惑星防衛とは？</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.unistellar.com/ja/blog/dart-what-is-planetary-defense/embed/#?secret=8XlyBPTRge" width="600" height="338" title="“惑星防衛とは？” — UNISTELLAR" data-secret="8XlyBPTRge" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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https://www.unistellar.com/wp-content/uploads/2022/08/planetary-defense_header.jpg2000886[et_pb_section fb_built=”1″ _builder_version=”4.18.0″ _module_preset=”default” background_color=”gcid-579abc80-458a-43b5-90b5-efa821d39207″ custom_padding=”4px||0px|||” global_colors_info=”{%22gcid-579abc80-458a-43b5-90b5-efa821d39207%22:%91%22background_color%22%93}”][et_pb_row _builder_version=”4.18.0″ _module_preset=”default” custom_padding=”||5px|||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][dsm_breadcrumbs _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][/dsm_breadcrumbs][/et_pb_column][/et_pb_row][/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.18.0″ _module_preset=”default” background_color=”gcid-579abc80-458a-43b5-90b5-efa821d39207″ custom_margin=”||-24px|||” custom_padding=”1px||6px|||” global_colors_info=”{%22gcid-579abc80-458a-43b5-90b5-efa821d39207%22:%91%22background_color%22%93}”][et_pb_row _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″] 私たちは、通常大気圏の外は宇宙だと考えています。私たちの地球が軌道に沿って移動している 際に、1日あたり約100トンに相当する惑星間物質が地球に衝突しています。天文学者の間では、 2万9000を超える既知の地球近傍天体 (NEO) が注目を集めています。そのなかで「潜在的に危 険である」に分類された2000以上が、実際に地球の軌道を横切っています。それらの幅は 140mを超えています。 [/et_pb_text][/et_pb_column][/et_pb_row][et_pb_row column_structure=”1_2,1_2″ make_equal=”on” _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.18.0″ _module_preset=”default” custom_css_main_element=”display: flex;||flex-direction: […]