Gi\u1edbi thi\u00ean v\u0103n h\u1ecdc v\u1eeba ph\u00e1t hi\u1ec7n c\u00e1c thi\u00ean h\u00e0 v\u00e0 l\u1ed7 \u0111en trung t\u00e2m c\u1ee7a ch\u00fang ph\u00e1t tri\u1ec3n v\u1edbi t\u1ed1c \u0111\u1ed9 ngang b\u1eb1ng nhau. Kh\u00e1m ph\u00e1 n\u00e0y \u0111\u1eb7t d\u1ea5u ch\u1ea5m h\u1ebft cho cu\u1ed9c tranh c\u00e3i k\u00e9o d\u00e0i nhi\u1ec1u n\u0103m v\u1ec1 vi\u1ec7c thi\u00ean th\u1ec3 n\u00e0o xu\u1ea5t hi\u1ec7n tr\u01b0\u1edbc.<\/p>\n\n\n\n
Tim Heckman thu\u1ed9c \u0110\u1ea1i h\u1ecdc Johns Hopkins, Baltimore, M\u1ef9, m\u1ed9t th\u00e0nh vi\u00ean c\u1ee7a nh\u00f3m nghi\u00ean c\u1ee9u, cho bi\u1ebft: \u201cGi\u1ed1ng nh\u01b0 g\u00e0 v\u00e0 tr\u1ee9ng, gi\u1edbi khoa h\u1ecdc kh\u00f4ng th\u1ec3 bi\u1ebft l\u1ed7 \u0111en hay thi\u00ean h\u00e0 c\u00f3 tr\u01b0\u1edbc\u201d. Nh\u00f3m c\u1ee7a \u00f4ng \u0111\u00e3 tr\u00ecnh b\u00e0y k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u t\u1ea1i H\u1ed9i ngh\u1ecb c\u1ee7a Li\u00ean minh thi\u00ean v\u0103n qu\u1ed1c t\u1ebf \u0111ang di\u1ec5n ra t\u1ea1i Sydney, Australia.<\/p>\n\n\n\n
\u0110\u1ea1i \u0111a s\u1ed1 c\u00e1c thi\u00ean h\u00e0 ch\u1ee9a m\u1ed9t l\u1ed7 \u0111en \u1edf trung t\u00e2m v\u00f9ng kh\u00f4ng gian d\u00e0y \u0111\u1eb7c t\u1edbi m\u1ee9c n\u00f3 n\u1eb7ng g\u1ea5p M\u1eb7t tr\u1eddi c\u1ee7a ch\u00fang ta h\u00e0ng tri\u1ec7u l\u1ea9n song ch\u1ec9 l\u1edbn h\u01a1n v\u00e0i ch\u1ee5c l\u1ea9n. L\u1ef1c h\u1ea5p d\u1eabn c\u1ee7a l\u1ed7 \u0111en c\u1ef1c l\u1edbn, gi\u1ed1ng nh\u01b0 m\u1ed9t l\u1ed7 th\u00e1o n\u01b0\u1edbc kh\u1ed5ng l\u1ed3, h\u00fat b\u1ee5i v\u00e0 m\u1ecdi thi\u00ean th\u1ec3 \u1edf g\u1ea9n n\u00f3 \u0111\u1ec3 gia t\u0103ng kh\u1ed1i l\u01b0\u1ee3ng.<\/p>\n\n\n\n
\u0110\u00e3 t\u1eeb l\u00e2u gi\u1edbi thi\u00ean v\u0103n th\u1eafc m\u1eafc l\u1ed7 \u0111en d\u1eabn t\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a thi\u00ean h\u00e0 b\u1eb1ng c\u00e1ch t\u1eadp h\u1ee3p b\u1ee5i v\u00e0 kh\u00ed th\u00e0nh c\u00e1c ng\u00f4i sao hay l\u00e0 thi\u00ean h\u00e0 c\u00f3 \u0111\u1ee7 kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1ec3 \u201cgieo m\u1ea9m\u201d l\u1ed7 \u0111en b\u1eb1ng c\u00e1ch b\u1eaft gi\u1eef c\u00e1c ng\u00f4i sao. Heckmanv\u00e0 c\u00e1c th\u00e0nh vi\u00ean kh\u00e1c, hi\u1ec7n \u0111ang l\u00e0m vi\u1ec7c cho m\u1ed9t d\u1ef1 \u00e1n mang t\u00ean Sloan Digital Sky Survey\u0111\u1ec3 l\u1eadp b\u1ea3n \u0111\u1ed3 100 tri\u1ec7u thi\u00ean th\u1ec3, \u0111\u00e3 nghi\u00ean c\u1ee9u 120.0 thi\u00ean h\u00e0 g\u1ea9n k\u1ec1 Ng\u00e2n h\u00e0.<\/p>\n\n\n\n
Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 quan s\u00e1t th\u1ea5y d\u1ea5u hi\u1ec7u ra \u0111\u1eddi c\u1ee7a c\u00e1c ng\u00f4i sao v\u00e0 s\u1ef1 hu\u1ef7 di\u1ec7t v\u1eadt ch\u1ea5t khi v\u1eadt ch\u1ea5t b\u1ecb h\u00fat v\u00e0o m\u1ed9t l\u1ed7 \u0111en. T\u1eeb \u0111\u00f3, h\u1ecd \u0111i \u0111\u1ebfn k\u1ebft lu\u1eadn c\u00e1c ng\u00f4i sao h\u00ecnh th\u00e0nh v\u1edbi t\u1ed1c \u0111\u1ed9 ngang b\u1eb1ng v\u1edbi l\u1ed7 \u0111en. Nh\u00e0 nghi\u00ean c\u1ee9u l\u1ed7 \u0111en Andrew Kingthu\u1ed9c \u0110\u1ea1i h\u1ecdc Leicester, Anh, nh\u1eadn x\u00e9t: \u201c\u0110\u00e2y l\u00e0 m\u1ed9t ph\u00e1t hi\u1ec7n l\u1edbn. Con ng\u01b0\u1eddi s\u1ebd s\u1eed d\u1ee5ng d\u1eef li\u1ec7u n\u00e0y trong nhi\u1ec1u n\u0103m t\u1edbi\u201d.<\/p>\n\n\n\n
C\u00f3 l\u1ebd \u0111a ph\u1ea9n s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a thi\u00ean h\u00e0 v\u00e0 l\u1ed7 \u0111en di\u1ec5n ra c\u00e1ch \u0111\u00e2y ch\u1eebng m\u01b0\u1eddi t\u1ef7 n\u0103m. D\u1ef1 \u00e1n kh\u1ea3o s\u00e1t l\u1eadp b\u1ea3n \u0111\u1ed3 l\u00e0 c\u1ea9n thi\u1ebft nh\u1eb1m t\u00ecm ra m\u1ed9t v\u00e0i thi\u00ean h\u00e0 v\u1eabn \u0111ang tr\u1ea3i qua qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n. Nh\u1eefng thi\u00ean h\u00e0 g\u1ea9n k\u1ec1 n\u00e0y l\u00e0 m\u1ed9t ph\u00f2ng th\u00ed nghi\u1ec7m t\u1ed1t gi\u00fap gi\u1edbi khoa h\u1ecdc hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u00e3 x\u1ea3y ra trong qu\u00e1 kh\u1ee9.<\/p>\n\n\n\n
Ng\u00e2n h\u00e0 nh\u1ecf h\u01a1n c\u00e1c thi\u00ean h\u00e0 trong d\u1ef1 \u00e1n v\u00e0 c\u00f3 m\u1ed9t l\u1ed7 \u0111en kh\u00e1 khi\u00eam t\u1ed1n \u1edf trung t\u00e2m. Tuy nhi\u00ean, d\u1eef li\u1ec7u m\u1edbi \u0111\u00e2y cho th\u1ea5y Ng\u00e2n h\u00e0 v\u00e0 l\u1ed7 \u0111en trung t\u00e2m c\u1ee7a n\u00f3 c\u00f9ng tr\u1ea3i qua qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n \u0111au \u0111\u1edbn c\u00e1ch \u0111\u00e2y h\u00e0ng t\u1ef7 n\u0103m.<\/p>\n","protected":false},"excerpt":{"rendered":"
Gi\u1edbi thi\u00ean v\u0103n h\u1ecdc v\u1eeba ph\u00e1t hi\u1ec7n c\u00e1c thi\u00ean h\u00e0 v\u00e0 l\u1ed7 \u0111en trung t\u00e2m c\u1ee7a ch\u00fang ph\u00e1t tri\u1ec3n v\u1edbi t\u1ed1c \u0111\u1ed9 ngang b\u1eb1ng nhau. Kh\u00e1m ph\u00e1 n\u00e0y \u0111\u1eb7t d\u1ea5u ch\u1ea5m h\u1ebft cho cu\u1ed9c tranh c\u00e3i k\u00e9o d\u00e0i nhi\u1ec1u n\u0103m v\u1ec1 vi\u1ec7c thi\u00ean th\u1ec3 n\u00e0o xu\u1ea5t hi\u1ec7n tr\u01b0\u1edbc. Tim Heckman thu\u1ed9c \u0110\u1ea1i h\u1ecdc Johns Hopkins, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[1,15],"tags":[],"class_list":["post-11119","post","type-post","status-publish","format-standard","hentry","category-general","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=11119"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11119\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=11119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=11119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=11119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}