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28-07-2024
Physics

Answered

Sirius A is the brightest star in the sky, it has a luminosity 25.4 L⨀ (where L⁠⨀ = 3.828 × 1026 W is the luminosity of our Sun).

How much energy does Sirius A emit in 1.00 hour?

Give your answer using scientific notation, using the SI unit for energy, and to an appropriate number of significant figures.

Answer :

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