What will happen first?

B the moon is leaving at about an inch a year, but will gain speed as it goes, due to decreasing effects of earths gravity. It will take a billion years or more before it goes off into space. the sun going giant or dying is 5 billion years,and Andromeda is also 5 billion or more. As the moon leaves, there will probably be tidal changes as well as weather changes. There will be lower and lower tides as the moons gravitational influence is slowly taken away. the night will be a little darker too.

A

1 billion years from now the solar radiation will wipe out all life on Earth. As the sun gets larger and turns into a red giant.

The moon is crusing away from the Earth about 1 inch a year, Its gonna take some time for it to leave orbit.

The sun doesn't have a mass big enought to nova and when it becomes a red giant, the moon will be gone (along with Mercury, Venus, and Earth), but I don't know if it will necessarily drift away from its orbit or if it will be engulfed by the sun.

I'd say C because it's going to happen and the sun may be a dwarf long enough see that happen.

B.

The moon will leave orbit in about 3 billion years.

The sun will die out in 5 billion years.

The Moon will probably leave Earth's orbit first. It is currently inching away and the farther it goes, the faster it will continue to move away.

I think the earth will be destroyed by some sort of solar flare or explosion/anomaly. The earth will become a burning ball. I believe that it ties in with biblical end if times. "Not by water but by fire"

a

c)

the sun has and reproduces enuff gases to survive

the moon to drift from its orbit would be impossible since there is no gravity,

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D... none of the above.

polar shift !