Can the Hubble Space Telescope see inside galaxies

Also, why don't we just use it to look at the surface of planets if it can see so far away?...see if there is any life on other planets outside of our galaxy?...

YES, we can see individual stars within a distant galaxy, IF it is big enough, such as The Milky Way. Otherwise the galaxy appears as a single fuzzy spot. As for planets, the resolution of the telescope is not god enough to see things smaller than the stars. Just look at the difference in size with the earth and our sun. Planets do not emit light as a sun does, it only reflects the light from the nearby star. We find planets around a distant star by seeing changes in the light from the star. When a planet passes in front of the star, it blocks some light from getting to us, so we can infer a planet simply by the regularity of the dips in the light. Also, a distant star will "wobble" from the effect of a planet in orbit. Our sun wobbles. The sun and the earth orbit each other, actually the center of mass of the sun and the center of mass of the earth both orbit the center of mass of the pair. The combined center of mass, the barycenter, is not at the center of mass of the sun, so the center of mass of the sun orbits the barycenter, and is seen as a wobble if looked at from the ecliptic plane.

It can see some very large things that are very far away... it can see the structure of other galaxies, but they are so far away that even the Hubble can't see planets & individual stars (for the most part...)

But, if there was someone standing on the moon - even a big, fat guy - he's too small to be seen with the Hubble... it simply isn't able to resolve a person from 238,000 miles away. And, likewise for planets that are even further away - even whales and elephants flopping around on Mars - they're simply too small to be seen by the Hubble.

hubble can certainly see individual stars at least in the closer galaxies

google NASA for an accurate answer

we did use hubble to see the landers on the moon but it has better things to do that are much more scientifically important

geometric optics sets limits on resolution . radio telescope are actually better and "bigger" then light scopes

Even the "close" galaxies are too far away to make out specific planets and such, but we can see further galaxies because they look like one blurry star, which is really a huge cluster of stars and planets that make up the galaxy.

Hubble can see bright things inside galaxies, like stars and such, but it can't see the surfaces of planets around other stars because they're much too small and too far away.

It can only see inside our galaxy and it can see the basic shapes of other galaxies.