Học sinh lớp 7 phát hiện hang ngầm trên sao Hỏa
Trong quá trình tham gia chương trình khám phá sao Hỏa bằng hình ảnh của Cơ quan Hàng không vũ trụ Mỹ (NASA), nhóm học sinh lớp 7 tìm thấy một hang bí ẩn trên hành tinh đỏ.
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uqxNO+G6vOG6rMOZJuG7ouG6rFU84bq84bqsJDpA4bqsWyrhu6zDmeG7muG6ouG6rMOiw4pN4bqsw5nhu5zhur7huqxU4buc4buk4bq84bqs4bucxq9N4bqsw6wy4bqsJSjDmeG7muG6rEDhu5zDiiXhuqzhu5zhu6Lhu5jDmeG6rMOaViXhuqzhu5zhurzDmeG7muG6rCUuWcOZ4bua4bqsJSnhuqx74bq+4buk4bqsw5nhu4TDmuG6rELhuqjhuqjDieG6ouG6sEDhurbigJzDouG7nCbDmeG7muG6rCXhurzhuqxN4bucLuG6vOG6rOG7nOG7kuG6rEzhu6Lhu5Al4bqsJCnhuqzhu5zhu6Lhu5jDmeG6rE7hu6Lhu5jDmeG6rE074bq84bqs4buc4bq8w5nhu5rhuqzDmeG7muG7iMOa4bqsw5nhur5d4bqi4bqs4buL4bum4bqsVeG6vuG6rOG7nOG6vMOZ4bua4bqsw5nhu5rhu4jDmuG6rCXhu5wh4bqs4buc4bq84bui4bqsTeG7puG6rMOa4bus4bui4bqsVeG7osOUw5nhuqzhu5zhu5jhuqx7w53hu6LhuqzDmSbhu6LhuqxVPOG6vOG6rOG7l+G6vHvhu6TDmeG7oiThuqzDrOG7pMOZJOKAneG6oOG6rMOiKiThu5zhu6LDmeG7muG6rMOZ4bum4bui4bqse8Od4bui4bqsw5nhu5zhu6bDmuG6rOG7nMavTeG6rCThu6LDmeG7nOG6ouG6sEDhurbDoiok4buc4buiw5nhu5rhuqxN4buc4buk4bqsPUfDmeG7muG6rOG7nOG6vMOZ4bua4bqsTeG7puG6rE3hu5zhu6Lhu5Iq4bqsPVbDmeG7muG6rOG6qkXhuqjhuqzDmuG6oOG6rE3hu5zhu6Lhu5Iq4bqsTuG6vuG7ouG6rOG6quG6uuG6qOG6rMOa4bqsTcWow5nhuqxPVuG6rCTDjCrhuqwl4bus4bui4bqsJeG7nOG7ouG7lCrhuqxV4bq+4bqs4bqq4bqqxJDhuqzDmuG6ouG6sEDhurbigJzDouG7nC5Zw5nhu5rhuqwlPeG7oMOZ4buc4bqsJeG7oMOa4bqs4buc4bui4buUKuG6rCThurzhu6Thuqzhur/hu6jhurzhuqxMR8OZ4bua4bqs4buc4bugw5nhu5zhuqzhu4bDmeG7nOG6rFXhur7huqzDmlYl4bqsJT3hu6TDmeG7muG6rMOZ4bucPsOZ4bua4bqsTeG7nC5Zw5nhu5rhuqwlPeG7oMOZ4buc4bqs4bua4buiw4rhu6ThuqxOOk3huqwlKl3hu5gl4bqse+G7suG7ouG6rMOZ4buc4buKJeG6rCUow5nhu5rhuqxPLuG7tE3huqwlPeG7ouG7lMOZ4bqsVOG7nOG6vOG7ouG6ouG6rOG7i+G7puG6rOG7muG7oiZA4bqsJOG7osOZ4buc4bqse+G7osOUw5nhuqzhu5zhu6Lhu5Qq4bqsPeG7quG6rE3Dik3hu5zhuqzDmeG7muG7nOG7osOUw5nhuqxNISrhuqxU4buc4buk4bq84bqs4bucxq9N4bqse+G6vuG6rCXhu4jDmuG6rCMq4bq8w5nhuqwlPcavw5nhu5rhuqxNO+G6vOG6rMOZ4bua4buc4buiw5TDmeG6rE0hKuG6rE/hu6zhu6Lhuqx7w53hu6LhuqxNVsOZ4bua4bqsT+G7rsOZ4bua4bqsVOG7nOG7pOG6vOG6rOG7nMavTeG6ouG6rOG6p8OMXeG6rCXhu5wpTeG6rCQp4bqsVeG6vuG6rMOaViXhuqwlPeG7huG7ouG6rMOZ4bua4buc4bui4buYw5rhuqxU4buc4bum4bqsIyrDlMOZ4oCd4bqg4bqsJeG7nOG7iF3huqzDrOG7oiVN4bucw5NVVeG6rEzhu6DDmeG7nOG6rFUqxKjDmeG6ouG6rOG7o+G7nMOT4buk4bqsxanDmeG6rVtAPcOTJCQ=