Art, Since they each have their own orbit around Jupiter their distances vary. At 25 light years it would definitely fade into the multitude of dimmer stars. Earth-based observations announced in 2005 found that Neptune's rings are apparently far more unstable than previously thought, with some dwindling away rapidly, according to an article in the journal Icarus.
Project Zero Impact: It would look exactly like a star with the naked eye. Internal structure: AstroBob, that sounds really compelling to imagine what a Callisto-clipse would be like!
They show the sun as it appears in the sky of each of the eight planets along with our favorite dwarf planet, Pluto. Imagine a high powered bulb lit in an otherwise dark big room.
By comparison: Multiply the diameter of my pupil on earth, by the ratio of the pluto-sun distance to the earth-sun distance. October 10, 2012 at 6: Or would it be more like a bright full moon?
Sometime halos last for hours; other times like last night, the clouds blew out 10 minutes after the photo was taken.
Hi Joe, Exactly! January 20, 2013 at 2: Space Junk In Your Face! Photos of Neptune reveal a blue planet, and it is often dubbed an ice giant, since it possesses a thick, slushy fluid mix of water, ammonia and methane ices under its atmosphere and is roughly 17 times Earth's mass and nearly 58 times its volume, according to a NASA fact sheet.How Does The Sun Look Like from Other Planets? - Space Engine
So maybe skip the sunscreen. Hard shadows, blue sky, etc.
The Cassini mission entered its second extended mission, called the Cassini Solstice Mission, in September 2010.