B\u00e0i 1 (trang 311 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):<\/b>\u00a0M\u1eb7t Tr\u1eddi thu\u1ed9c lo\u1ea1i sao n\u00e0o sau \u0111\u00e2y?<\/span><\/p>\nA. Sao ch\u1eaft tr\u1eafng.<\/p>\n
B. Sao n\u01a1tron.<\/p>\n
C. Sao kh\u1ed5ng l\u1ed3 (hay sao k\u1ec1nh \u0111\u1ecf).<\/p>\n
D. Sao trung b\u00ecnh gi\u1eefa c\u00e1c ch\u1ea5t tr\u1eafng v\u00e0 sao kh\u1ed5ng l\u1ed3.<\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
Ch\u1ecdn D.<\/p>\n
B\u00e0i 2 (trang 311 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):<\/b>\u00a0\u0110\u01b0\u1eddng k\u00ednh c\u1ee7a m\u1ed9t thi\u00ean h\u00e0 v\u00e0o c\u1ee1.<\/span><\/p>\nA. 10000 n\u0103m \u00e1nh s\u00e1ng.<\/p>\n
B. 100000 n\u0103m \u00e1nh s\u00e1ng.<\/p>\n
C. 1000000 n\u0103m \u00e1nh s\u00e1ng.<\/p>\n
D. 10000000 n\u0103m \u00e1nh s\u00e1ng.<\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
Ch\u1ecdn B.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
C\u00c2U H\u1eceI C\u00e2u 1 (trang 311 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):\u00a0Sao l\u00e0 g\u00ec? N\u00eau nh\u1eefng \u0111\u1eb7c tr\u01b0ng ch\u00ednh c\u1ee7a sao. L\u1eddi gi\u1ea3i: Xem m\u1ee5c 1 ph\u1ea7n KTCB. C\u00e2u 2 (trang 311 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):\u00a0N\u00eau v\u1eafn t\u1eaft m\u1ed9t s\u1ed1 lo\u1ea1i sao \u0111\u1eb7c bi\u1ec7t. L\u1eddi gi\u1ea3i: Xem m\u1ee5c 2 ph\u1ea7n KTCB. C\u00e2u 3 […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1304],"tags":[1432,1431],"yoast_head":"\n
Ch\u01b0\u01a1ng 10 -B\u00e0i 60: Sao. Thi\u00ean h\u00e0<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/chuong-10-bai-60-sao-thien-ha\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ch\u01b0\u01a1ng 10 -B\u00e0i 60: Sao. Thi\u00ean h\u00e0\" \/>\n<meta property=\"og:description\" content=\"C\u00c2U H\u1eceI C\u00e2u 1 (trang 311 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):\u00a0Sao l\u00e0 g\u00ec? N\u00eau nh\u1eefng \u0111\u1eb7c tr\u01b0ng ch\u00ednh c\u1ee7a sao. L\u1eddi gi\u1ea3i: Xem m\u1ee5c 1 ph\u1ea7n KTCB. C\u00e2u 2 (trang 311 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):\u00a0N\u00eau v\u1eafn t\u1eaft m\u1ed9t s\u1ed1 lo\u1ea1i sao \u0111\u1eb7c bi\u1ec7t. L\u1eddi gi\u1ea3i: Xem m\u1ee5c 2 ph\u1ea7n KTCB. 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