{"id":42,"date":"2025-04-09T15:51:25","date_gmt":"2025-04-09T15:51:25","guid":{"rendered":"https:\/\/likapk.com\/?p=42"},"modified":"2025-04-09T15:51:26","modified_gmt":"2025-04-09T15:51:26","slug":"ghost-satellites-the-hidden-mesh-of-abandoned-orbits","status":"publish","type":"post","link":"https:\/\/likapk.com\/vi\/ghost-satellites-the-hidden-mesh-of-abandoned-orbits\/42\/","title":{"rendered":"V\u1ec7 tinh ma: M\u1ea1ng l\u01b0\u1edbi b\u00ed \u1ea9n c\u1ee7a c\u00e1c qu\u1ef9 \u0111\u1ea1o b\u1ecb b\u1ecf hoang"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Trong kho\u1ea3ng kh\u00f4ng t\u0129nh l\u1eb7ng c\u1ee7a v\u0169 tr\u1ee5, Tr\u00e1i \u0110\u1ea5t kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c bao quanh b\u1edfi nh\u1eefng v\u1ec7 tinh v\u00e0 tr\u1ea1m v\u0169 tr\u1ee5 s\u00e1ng lo\u00e1ng m\u00e0 c\u00f2n b\u1edfi m\u1ed9t ch\u00f2m sao b\u1ecb l\u00e3ng qu\u00ean g\u1ed3m nh\u1eefng b\u00f3ng ma kim lo\u1ea1i. \u0110\u00f3 l\u00e0... <em>v\u1ec7 tinh ma<\/em>\u2014Nh\u1eefng t\u00e0u v\u0169 tr\u1ee5 b\u1ecb b\u1ecf hoang, ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c tr\u1ee5c tr\u1eb7c, ti\u1ebfp t\u1ee5c tr\u00f4i d\u1ea1t l\u1eb7ng l\u1ebd tr\u00ean qu\u1ef9 \u0111\u1ea1o, th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c ch\u00fa \u00fd v\u00e0 kh\u00f4ng th\u1ec3 ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>S\u1ef1 gia t\u0103ng c\u1ee7a r\u00e1c th\u1ea3i qu\u1ef9 \u0111\u1ea1o<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ec3 t\u1eeb khi ra m\u1eaft <strong>Sputnik 1<\/strong> T\u1eeb n\u0103m 1957, h\u00e0ng ngh\u00ecn v\u1ec7 tinh nh\u00e2n t\u1ea1o \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00f3ng v\u00e0o kh\u00f4ng gian. Nhi\u1ec1u trong s\u1ed1 \u0111\u00f3 ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch quan tr\u1ecdng: li\u00ean l\u1ea1c, quan s\u00e1t Tr\u00e1i \u0111\u1ea5t, th\u00e1m hi\u1ec3m khoa h\u1ecdc, v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa. Nh\u01b0ng \u0111i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra khi nhi\u1ec7m v\u1ee5 c\u1ee7a ch\u00fang k\u1ebft th\u00fac?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, ch\u1eb3ng c\u00f3 g\u00ec c\u1ea3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c v\u1ec7 tinh \u0111\u00e3 c\u1ea1n ki\u1ec7t nhi\u00ean li\u1ec7u, b\u1ecb h\u1ecfng do l\u1ed7i k\u1ef9 thu\u1eadt ho\u1eb7c \u0111\u01a1n gi\u1ea3n l\u00e0 \u0111\u00e3 ng\u1eebng ho\u1ea1t \u0111\u1ed9ng, th\u01b0\u1eddng b\u1ecb b\u1ecf m\u1eb7c tr\u00f4i n\u1ed5i tr\u00ean qu\u1ef9 \u0111\u1ea1o. Nh\u1eefng v\u1eadt th\u1ec3 kh\u00f4ng ph\u1ea3n h\u1ed3i n\u00e0y tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n c\u1ee7a c\u00e1i m\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc hi\u1ec7n nay g\u1ecdi l\u00e0 <strong>m\u1ea3nh v\u1ee5n qu\u1ef9 \u0111\u1ea1o<\/strong>\u2014m\u1ed9t v\u1ea5n \u0111\u1ec1 \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean nghi\u00eam tr\u1ecdng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>V\u1ec7 tinh ma l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec7 tinh ma l\u00e0 m\u1ed9t lo\u1ea1i r\u00e1c v\u0169 tr\u1ee5 \u0111\u1eb7c bi\u1ec7t. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c m\u1ea3nh v\u1ee1 t\u1eeb va ch\u1ea1m ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn t\u00ean l\u1eeda, v\u1ec7 tinh ma th\u01b0\u1eddng... <strong>c\u00f2n nguy\u00ean v\u1eb9n<\/strong> V\u00e0 <strong>d\u1ec5 nh\u1eadn bi\u1ebft<\/strong>. Ch\u00fang t\u1eebng \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu nh\u01b0ng gi\u1edd ch\u1ec9 c\u00f2n l\u00e0 t\u00e0n t\u00edch c\u1ee7a nh\u1eefng s\u1ee9 m\u1ec7nh trong qu\u00e1 kh\u1ee9, l\u1eb7ng l\u1ebd quay quanh qu\u1ef9 \u0111\u1ea1o, th\u01b0\u1eddng v\u1eabn ph\u00e1t ra t\u00edn hi\u1ec7u y\u1ebfu ho\u1eb7c ph\u1ea3n chi\u1ebfu \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c v\u00ed d\u1ee5 bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>LES1<\/strong>: M\u1ed9t v\u1ec7 tinh qu\u00e2n s\u1ef1 c\u1ee7a M\u1ef9 n\u0103m 1965 \u0111\u00e3 b\u00ed \u1ea9n kh\u00f4i ph\u1ee5c ho\u1ea1t \u0111\u1ed9ng truy\u1ec1n t\u00edn hi\u1ec7u v\u00e0o n\u0103m 2013 sau nhi\u1ec1u th\u1eadp k\u1ef7 im l\u1eb7ng.<br><\/li>\n\n\n\n<li><strong>Ti\u00ean phong 1<\/strong>\u0110\u01b0\u1ee3c ph\u00f3ng v\u00e0o n\u0103m 1958, n\u00f3 kh\u00f4ng c\u00f2n ho\u1ea1t \u0111\u1ed9ng n\u1eefa nh\u01b0ng v\u1eabn quay quanh Tr\u00e1i \u0110\u1ea5t, l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt th\u1ec3 nh\u00e2n t\u1ea1o l\u00e2u \u0111\u1eddi nh\u1ea5t tr\u00ean qu\u1ef9 \u0111\u1ea1o.<br><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Nguy hi\u1ec3m trong b\u00f3ng t\u1ed1i<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, c\u00e1c v\u1ec7 tinh ma v\u1eabn ti\u1ec1m \u1ea9n m\u1ed1i \u0111e d\u1ecda th\u1ef1c s\u1ef1. Quay quanh qu\u1ef9 \u0111\u1ea1o v\u1edbi t\u1ed1c \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 28.000 km\/h, ngay c\u1ea3 m\u1ed9t va ch\u1ea1m v\u1edbi v\u1eadt th\u1ec3 nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o ra h\u00e0ng ng\u00e0n m\u1ea3nh v\u1ee1. Nh\u1eefng m\u1ea3nh v\u1ee1 n\u00e0y, \u0111\u1ebfn l\u01b0\u1ee3t m\u00ecnh, c\u00f3 th\u1ec3 g\u00e2y ra m\u1ed9t chu\u1ed7i va ch\u1ea1m \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 xung \u0111\u1ed9t h\u1ea1t nh\u00e2n. <strong>H\u1ed9i ch\u1ee9ng Kessler<\/strong>\u2014m\u1ed9t ph\u1ea3n \u1ee9ng d\u00e2y chuy\u1ec1n c\u00f3 th\u1ec3 khi\u1ebfn m\u1ed9t s\u1ed1 qu\u1ef9 \u0111\u1ea1o kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c trong nhi\u1ec1u th\u1eadp k\u1ef7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c v\u1ec7 tinh ma c\u0169ng l\u00e0m ph\u1ee9c t\u1ea1p th\u00eam n\u1ed7 l\u1ef1c theo d\u00f5i. M\u1ed9t s\u1ed1 v\u1ec7 tinh tr\u00f4i d\u1ea1t kh\u00f3 l\u01b0\u1eddng, thay \u0111\u1ed5i h\u01b0\u1edbng ho\u1eb7c qu\u1ef9 \u0111\u1ea1o m\u1ed9t ch\u00fat do l\u1ef1c h\u1ea5p d\u1eabn ho\u1eb7c \u00e1p su\u1ea5t b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi, khi\u1ebfn vi\u1ec7c gi\u00e1m s\u00e1t ch\u00fang tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>M\u1ed9t m\u1ea1ng l\u01b0\u1edbi b\u00f3ng t\u1ed1i<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi h\u01a1n <strong>3.000 v\u1ec7 tinh kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng<\/strong> Hi\u1ec7n \u0111ang quay quanh Tr\u00e1i \u0110\u1ea5t (theo \u01b0\u1edbc t\u00ednh g\u1ea7n \u0111\u00e2y), b\u1ea7u tr\u1eddi ph\u00eda tr\u00ean Tr\u00e1i \u0110\u1ea5t t\u1ea1o th\u00e0nh m\u1ed9t m\u1ea1ng l\u01b0\u1edbi ph\u1ee9c t\u1ea1p g\u1ed3m c\u00e1c thi\u1ebft b\u1ecb \u0111ang ho\u1ea1t \u0111\u1ed9ng v\u00e0 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng. M\u1ea1ng l\u01b0\u1edbi v\u1ec7 tinh ma \u1ea9n gi\u1ea5u n\u00e0y th\u01b0\u1eddng \u1ea9n n\u00e1u trong c\u00e1c qu\u1ef9 \u0111\u1ea1o \u0111\u1ecba t\u0129nh, n\u01a1i c\u00e1c v\u1eadt th\u1ec3 c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i h\u00e0ng ngh\u00ecn n\u0103m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng gi\u1ed1ng nh\u01b0 qu\u1ef9 \u0111\u1ea1o Tr\u00e1i \u0110\u1ea5t t\u1ea7m th\u1ea5p (LEO), n\u01a1i l\u1ef1c c\u1ea3n c\u1ee7a kh\u00ed quy\u1ec3n cu\u1ed1i c\u00f9ng c\u00f3 th\u1ec3 k\u00e9o c\u00e1c m\u1ea3nh v\u1ee1 xu\u1ed1ng v\u00e0 b\u1ed1c ch\u00e1y, c\u00e1c qu\u1ef9 \u0111\u1ea1o cao h\u01a1n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 nh\u1eefng ngh\u0129a \u0111\u1ecba d\u00e0i h\u1ea1n. M\u1ed9t s\u1ed1 c\u01a1 quan v\u0169 tr\u1ee5 th\u1ef1c hi\u1ec7n <em>c\u00e1c thao t\u00e1c cu\u1ed1i \u0111\u1eddi<\/em>, Vi\u1ec7c \u0111\u01b0a c\u00e1c v\u1ec7 tinh c\u0169 v\u00e0o &quot;qu\u1ef9 \u0111\u1ea1o ngh\u0129a \u0111\u1ecba&quot; l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p, nh\u01b0ng nhi\u1ec1u v\u1ec7 tinh c\u0169 l\u1ea1i thi\u1ebfu kh\u1ea3 n\u0103ng n\u00e0y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>H\u01b0\u1edbng t\u1edbi m\u1ed9t b\u1ea7u tr\u1eddi trong l\u00e0nh h\u01a1n<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u0169 tr\u1ee5 \u0111ang b\u1eaft \u0111\u1ea7u c\u00f3 nh\u1eefng ph\u1ea3n \u1ee9ng. C\u00e1c \u00fd t\u01b0\u1edfng \u0111\u1ec3 d\u1ecdn d\u1eb9p r\u00e1c th\u1ea3i qu\u1ef9 \u0111\u1ea1o v\u00e0 v\u1ec7 tinh ma bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ng\u1ecdn gi\u00e1o v\u00e0 l\u01b0\u1edbi<\/strong>: H\u1ec7 th\u1ed1ng thu gi\u1eef v\u1eadt l\u00fd \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 v\u1edbt c\u00e1c v\u1ec7 tinh b\u1ecf hoang.<br><\/li>\n\n\n\n<li><strong>\u0110\u1ea9y b\u1eb1ng tia laser<\/strong>: S\u1eed d\u1ee5ng tia laser \u0111\u1eb7t tr\u00ean m\u1eb7t \u0111\u1ea5t \u0111\u1ec3 d\u1ecbch chuy\u1ec3n c\u00e1c m\u1ea3nh v\u1ee1 v\u00e0o qu\u1ef9 \u0111\u1ea1o suy gi\u1ea3m.<br><\/li>\n\n\n\n<li><strong>l\u1ef1c k\u00e9o t\u1eeb t\u00ednh<\/strong>: C\u00e1c v\u1ec7 tinh nh\u1ecf, c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u khi\u1ec3n, c\u00f3 th\u1ec3 g\u1eafn v\u00e0o v\u00e0 \u0111\u01b0a c\u00e1c t\u00e0u v\u0169 tr\u1ee5 c\u0169 ra kh\u1ecfi qu\u1ef9 \u0111\u1ea1o.<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong khi \u0111\u00f3, c\u00e1c t\u1ed5 ch\u1ee9c nh\u01b0... <strong>ESA<\/strong> V\u00e0 <strong>NASA<\/strong> Duy tr\u00ec c\u00e1c h\u1ec7 th\u1ed1ng theo d\u00f5i chi ti\u1ebft \u0111\u1ec3 gi\u00e1m s\u00e1t c\u00e1c v\u1ec7 tinh ma v\u00e0 ng\u0103n ng\u1eeba va ch\u1ea1m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Ph\u1ea7n k\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng v\u1ec7 tinh ma l\u00e0 l\u1eddi nh\u1eafc nh\u1edf \u00e1m \u1ea3nh v\u1ec1 di s\u1ea3n c\u1ee7a ng\u00e0nh th\u00e1m hi\u1ec3m kh\u00f4ng gian\u2014c\u1ea3 nh\u1eefng th\u00e0nh t\u1ef1u v\u00e0 nh\u1eefng thi\u1ebfu s\u00f3t c\u1ee7a n\u00f3. Khi ch\u00fang ta m\u1edf r\u1ed9ng t\u1ea7m v\u1edbi c\u1ee7a nh\u00e2n lo\u1ea1i v\u00e0o qu\u1ef9 \u0111\u1ea1o v\u00e0 xa h\u01a1n n\u1eefa, vi\u1ec7c gi\u1ea3i quy\u1ebft m\u1ea1ng l\u01b0\u1edbi ph\u1ee9c t\u1ea1p c\u1ee7a c\u00e1c qu\u1ef9 \u0111\u1ea1o b\u1ecb b\u1ecf hoang kh\u00f4ng ch\u1ec9 tr\u1edf th\u00e0nh m\u1ed9t th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt m\u00e0 c\u00f2n l\u00e0 m\u1ed9t m\u1ec7nh l\u1ec7nh \u0111\u1ea1o \u0111\u1ee9c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong kho\u1ea3ng kh\u00f4ng t\u0129nh l\u1eb7ng c\u1ee7a v\u0169 tr\u1ee5, nh\u1eefng b\u00f3ng ma kim lo\u1ea1i n\u00e0y tr\u00f4i d\u1ea1t v\u00f4 t\u1eadn, th\u00ec th\u1ea7m nh\u1eefng c\u00e2u chuy\u1ec7n v\u1ec1 qu\u00e1 kh\u1ee9\u2014v\u00e0 c\u1ea3nh b\u00e1o ch\u00fang ta v\u1ec1 t\u01b0\u01a1ng lai.<\/p>","protected":false},"excerpt":{"rendered":"<p>In the silent vacuum of space, Earth is surrounded not only by gleaming satellites and space stations but also by 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