{"id":29288,"date":"2021-10-14T10:48:00","date_gmt":"2021-10-14T03:48:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=29288"},"modified":"2022-02-15T09:57:27","modified_gmt":"2022-02-15T02:57:27","slug":"nhung-hanh-tinh-chua-tung-thay-ngoai-he-mat-troi-phat-tin-hieu-bat-thuong","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/nhung-hanh-tinh-chua-tung-thay-ngoai-he-mat-troi-phat-tin-hieu-bat-thuong\/","title":{"rendered":"Nh\u1eefng h\u00e0nh tinh ch\u01b0a t\u1eebng th\u1ea5y ngo\u00e0i h\u1ec7 M\u1eb7t tr\u1eddi ph\u00e1t t\u00edn hi\u1ec7u b\u1ea5t th\u01b0\u1eddng"},"content":{"rendered":"\n

S\u1eed d\u1ee5ng anten m\u1ea1nh nh\u1ea5t th\u1ebf gi\u1edbi, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n nh\u1eefng ng\u00f4i sao \u0111ang ph\u00e1t ra s\u00f3ng v\u00f4 tuy\u1ebfn b\u1ea5t th\u01b0\u1eddng, c\u00f3 th\u1ec3 gi\u00fap ta \u0111\u1ecbnh v\u1ecb s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a nh\u1eefng h\u00e0nh tinh ch\u01b0a t\u1eebng th\u1ea5y tr\u01b0\u1edbc \u0111\u00e2y.<\/strong><\/h2>\n\n\n\n
\"planet-near-star-777x518.jpg\"\/<\/figure>\n\n\n\n

TS Benjamin Pope (\u0110\u1ea1i h\u1ecdc Queensland) v\u00e0 c\u00e1c c\u1ed9ng s\u1ef1 \u1edf \u0111\u00e0i quan s\u00e1t ASTRON t\u1ea1i H\u00e0 Lan \u0111ang ti\u1ebfn h\u00e0nh t\u00ecm ki\u1ebfm nh\u1eefng h\u00e0nh tinh m\u1edbi, s\u1eed d\u1ee5ng k\u00ednh thi\u00ean v\u0103n v\u00f4 tuy\u1ebfn t\u1ea7n s\u1ed1 th\u1ea5p (LOFAR) \u0111\u1eb7t t\u1ea1i H\u00e0 Lan.<\/p>\n\n\n\n

\u201cCh\u00fang t\u00f4i \u0111\u00e3 ph\u00e1t hi\u1ec7n ra t\u00edn hi\u1ec7u \u0111\u1ebfn t\u1eeb 19 ng\u00f4i sao l\u00f9n \u0111\u1ecf ph\u00eda xa, 4 trong s\u1ed1 \u0111\u00f3 minh ch\u1ee9ng r\u00f5 nh\u1ea5t cho s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a c\u00e1c h\u00e0nh tinh trong qu\u1ef9 \u0111\u1ea1o c\u1ee7a ch\u00fang\u201d TS Pope cho bi\u1ebft.<\/p>\n\n\n\n

Ch\u00fang ta \u0111\u1ec1u \u0111\u00e3 bi\u1ebft r\u1eb1ng, c\u00e1c h\u00e0nh tinh trong h\u1ec7 M\u1eb7t tr\u1eddi<\/a> gi\u1ea3i ph\u00f3ng s\u00f3ng \u0111i\u1ec7n t\u1eeb c\u1ef1c m\u1ea1nh do t\u1eeb tr\u01b0\u1eddng c\u1ee7a ch\u00fang t\u01b0\u01a1ng t\u00e1c v\u1edbi gi\u00f3 m\u1eb7t tr\u1eddi. Tuy nhi\u00ean nh\u1eefng t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eeb t\u1eeb c\u00e1c h\u00e0nh tinh ph\u00eda b\u00ean ngo\u00e0i h\u1ec7 M\u1eb7t tr\u1eddi l\u1ea1i ch\u01b0a \u0111\u01b0\u1ee3c ghi nh\u1eadn bao gi\u1edd.<\/p>\n\n\n\n

Ph\u00e1t hi\u1ec7n n\u00e0y l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn quan tr\u1ecdng \u0111\u1ed1i v\u1edbi thi\u00ean v\u0103n h\u1ecdc v\u00e0 c\u00f3 th\u1ec3 l\u00e0 ti\u1ec1n \u0111\u1ec1 cho s\u1ef1 ph\u00e1t hi\u1ec7n th\u00eam c\u00e1c h\u00e0nh tinh m\u1edbi ngo\u00e0i v\u0169 tr\u1ee5.<\/p>\n\n\n\n

Tr\u01b0\u1edbc \u0111\u00f3, c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc m\u1edbi ch\u1ec9 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng s\u00f3ng \u0111i\u1ec7n t\u1eeb ch\u1eadm \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb c\u00e1c ng\u00f4i sao g\u1ea7n hay l\u1edbp kh\u00ed gi\u1eefa c\u00e1c v\u00ec sao v\u00e0 c\u00e1c ph\u1ea7n t\u1eed ngo\u1ea1i lai nh\u01b0 h\u1ed1 \u0111en.<\/p>\n\n\n\n

Gi\u1edd \u0111\u00e2y, h\u1ecd c\u00f3 th\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c c\u1ea3 nh\u1eefng ng\u00f4i sao gi\u00e0 v\u00e0 t\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 t\u00ecm ki\u1ebfm \u0111\u01b0\u1ee3c b\u1ea5t k\u1ef3 h\u00e0nh tinh n\u00e0o xung quanh n\u00f3.<\/p>\n\n\n\n

Nh\u00f3m nghi\u00ean c\u1ee9u t\u1eadp trung v\u00e0o c\u00e1c ng\u00f4i sao l\u00f9n \u0111\u1ecf, ch\u00fang nh\u1ecf h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi M\u1eb7t Tr\u1eddi v\u00e0 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi nh\u1eefng ho\u1ea1t \u0111\u1ed9ng t\u1eeb t\u00ednh c\u1ef1c m\u1ea1nh c\u00f3 th\u1ec3 khi\u1ebfn cho m\u1ed9t ng\u00f4i sao b\u00f9ng s\u00e1ng v\u00e0 ph\u00e1t x\u1ea1 \u0111i\u1ec7n t\u1eeb.<\/p>\n\n\n\n

TS Joseph Callingham t\u1ea1i \u0110\u1ea1i h\u1ecdc Leiden, ASTRON v\u00e0 l\u00e0 t\u00e1c gi\u1ea3 ch\u00ednh trong ph\u00e1t minh n\u00e0y cho r\u1eb1ng, nh\u1eefng t\u00edn hi\u1ec7u thu nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ebfn t\u1eeb m\u1ed1i li\u00ean h\u1ec7 t\u1eeb t\u00ednh gi\u1eefa c\u00e1c v\u00ec sao v\u00e0 h\u00e0nh tinh m\u1edbi trong qu\u1ef9 \u0111\u1ea1o c\u1ee7a ch\u00fang, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa sao M\u1ed9c v\u00e0 v\u1ec7 tinh t\u1ef1 nhi\u00ean Io c\u1ee7a n\u00f3.<\/p>\n\n\n\n

Tr\u00e1i \u0110\u1ea5t c\u1ee7a ch\u00fang ta c\u00f3 c\u1ef1c quang (B\u1eafc c\u1ef1c quang v\u00e0 Nam c\u1ef1c quang). Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y c\u0169ng gi\u1ea3i ph\u00f3ng l\u01b0\u1ee3ng l\u1edbn s\u00f3ng \u0111i\u1ec7n t\u1eeb m\u1ea1nh \u2013 \u0111\u00f3 l\u00e0 do s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa t\u1eeb tr\u01b0\u1eddng c\u1ee7a h\u00e0nh tinh v\u1edbi gi\u00f3 m\u1eb7t tr\u1eddi.<\/p>\n\n\n\n

Nh\u01b0ng \u0111\u1ed1i v\u1edbi sao M\u1ed9c, c\u1ef1c quang t\u1ea1i \u0111\u00e2y l\u1ea1i m\u1ea1nh h\u01a1n nhi\u1ec1u do ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00fai l\u1eeda t\u1ea1i v\u1ec7 tinh Io l\u00e0m b\u1eafn v\u1eadt ch\u1ea5t v\u00e0o kh\u00f4ng gian, khi\u1ebfn cho m\u00f4i tr\u01b0\u1eddng xung quanh sao M\u1ed9c m\u1ea1nh m\u1ebd b\u1ea5t th\u01b0\u1eddng.
Hi\u1ec7n t\u1ea1i, nh\u00f3m nghi\u00ean c\u1ee9u \u0111ang mong mu\u1ed1n c\u00f3 th\u1ec3 x\u00e1c nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a nh\u1eefng h\u00e0nh tinh m\u1edbi n\u00e0y.<\/p>\n\n\n\n

\u201cCh\u00fang t\u00f4i ch\u01b0a th\u1ec3 n\u00f3i ch\u1eafc ch\u1eafn 100% r\u1eb1ng 4 ng\u00f4i sao \u0111\u01b0\u1ee3c cho r\u1eb1ng c\u00f3 h\u00e0nh tinh xung quanh c\u00f3 th\u1ec3 ch\u1ec9 l\u00e0 c\u00e1c h\u00e0nh tinh trung t\u00e2m. Nh\u01b0ng ch\u00fang t\u00f4i c\u00f3 th\u1ec3 kh\u1eb3ng \u0111\u1ecbnh r\u1eb1ng l\u1eddi gi\u1ea3i th\u00edch h\u1ee3p l\u00ed nh\u1ea5t cho nh\u1eefng g\u00ec ch\u00fang t\u00f4i \u0111\u00e3 th\u1ea5y ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0 s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa h\u00e0nh tinh v\u00e0 ng\u00f4i sao\u201d, TS Pope n\u00f3i.<\/p>\n\n\n\n

C\u00e1c ph\u00e1t hi\u1ec7n v\u1edbi LOFAR m\u1edbi ch\u1ec9 l\u00e0 s\u1ef1 kh\u1edfi \u0111\u1ea7u. K\u00ednh thi\u00ean v\u0103n n\u00e0y ch\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng quan s\u00e1t nh\u1eefng ng\u00f4i sao trong c\u1ef1 li g\u1ea7n, kho\u1ea3ng 165 n\u0103m \u00e1nh s\u00e1ng.<\/p>\n\n\n\n

V\u1edbi k\u00ednh thi\u00ean v\u0103n v\u00f4 tuy\u1ebfn SKA (Square Kilometer Array) c\u1ee7a Australia v\u00e0 Nam Phi \u0111ang ch\u1ebf t\u1ea1o, theo k\u1ebf ho\u1ea1ch s\u1ebd \u0111i v\u00e0o s\u1eed d\u1ee5ng trong n\u0103m 2029, nh\u00f3m nghi\u00ean c\u1ee9u d\u1ef1 \u0111o\u00e1n h\u1ecd s\u1ebd c\u00f3 th\u1ec3 quan s\u00e1t \u0111\u01b0\u1ee3c h\u00e0ng tr\u0103m ng\u00f4i sao nh\u01b0 v\u1eady v\u1edbi kho\u1ea3ng c\u00e1ch xa h\u01a1n r\u1ea5t nhi\u1ec1u.<\/p>\n\n\n\n

https:\/\/khoahocdoisong.vn\/nhung-hanh-tinh-chua-tung-thay-ngoai-he-mat-troi-phat-tin-hieu-bat-thuong-181685.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

S\u1eed d\u1ee5ng anten m\u1ea1nh nh\u1ea5t th\u1ebf gi\u1edbi, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n nh\u1eefng ng\u00f4i sao \u0111ang ph\u00e1t ra s\u00f3ng v\u00f4 tuy\u1ebfn b\u1ea5t th\u01b0\u1eddng, c\u00f3 th\u1ec3 gi\u00fap ta \u0111\u1ecbnh v\u1ecb s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a nh\u1eefng h\u00e0nh tinh ch\u01b0a t\u1eebng th\u1ea5y tr\u01b0\u1edbc \u0111\u00e2y. TS Benjamin Pope (\u0110\u1ea1i h\u1ecdc Queensland) v\u00e0 c\u00e1c c\u1ed9ng s\u1ef1 \u1edf \u0111\u00e0i […]<\/p>\n","protected":false},"author":23,"featured_media":29289,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-29288","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/29288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=29288"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/29288\/revisions"}],"predecessor-version":[{"id":31107,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/29288\/revisions\/31107"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/29289"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=29288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=29288"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=29288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}