Because it does
Yes, the sun is slightly closer to the earth in the winter. It is colder because the slant of the earth's axis is away from the sun.
The earth revolves around the sun, as it gets farther away, it becomes winter and closer summer.
The earth is actually closer to the sun during the winter in the northern hemisphere
yuuuppp.
No, Only on the winter
The way the earth is positioned on it's axes during the winter months positiones the sun closer to the earth.
earth is closer to the Sun during our winter
yes during winter. That's winter in the Northern hemisphere.
the sun moves closer to earth
If the earth got pulled in closer to the sun, or if the sun expands significantly, then the earth will get much warmer. That said, nothing like that is going to happen for a couple billion years yet.
When the southern hemisphere is tilted toward the Sun it is summer there and winter in the northern hemisphere. The Earth's axis is on a tilt relative to the Sun. This means that during the year as it follows its regular orbit around the Sun, for a period one hemisphere is closer to the Sun than the other. This is what creates the seasons we have on Earth. When one hemisphere is closer to the Sun more heat is felt there. This is known as "summer". This is similar to how holding your hand closer to a flame will make your hand feel warmer. Clearly, at the time one hemisphere is closer to our Sun, the other hemisphere is further away, meaning it is in "winter". When the two hemispheres are equidistant from the Sun then it is spring in one and autumn (fall - if you're American) in the other.
No, the earth is further away from the sun when it is summer in the northern hemisphere, and closer in the winter, but because of the earth's axial tilt it receives the sun's rays more directly in summer.