[填空题]
The nearest large galaxy to our Galaxowz 5l,)eh +gp0x-vnzy is 2apl0 9.w3yu j9mnxodabout $2 \times 10^6\ \text{ly}$ away. If both galaxies have a mass of $10^{42}\ \text{kg}$, with what gravitational force does each galaxy attract the other? F$\approx $ $\times 10^{28}\ \text{N}$
