Yes, the larger the object you're using as a lens, the better the image. This is due to the 'Lens Makers' Equation'. Larger objects like Earth, Jupiter, or the

Yes, the larger the object you're using as a lens, the better the image. This is due to the 'Lens Makers' Equation'. Larger objects like Earth, Jupiter, or the Sun would make for larger radii and therefore better resolution.