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ciencias terrestres por juan luis trias universidad ... - MSP21

ciencias terrestres por juan luis trias universidad ... - MSP21

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Brillantez y magnitud<br />

Sirio, 8.6 años luz de la Tierra (1 año luz=10 trillones de kms)<br />

La estrella mas brillosa en el hemisferio norte al observarla con un<br />

telescopio, magnitud -1.5.

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