It's possible. Neptune can be struck by any of these space objects just like earth or any other planet can, if the orbital conditions allow them to come into contact. As regards any of these space objects changing the orbit of Neptune by passing close by, the mass of Neptune is too great to have its orbit significatly affected by any of these "small" objects.
Yes but they would have to be above a certain size so as not to burn up high in our atmosphere. You shouldn't worry though because NASA is tracking and monitoring all objects above this size threshold, and have plans in place should one pose a significant risk, such as blowing it to pieces with a nuclear missile. So you shouldn't worry about us becoming extinct thanks to a meteor strike, like the dinosaurs.
Neptune does have rings, but they are faint and difficult to see from Earth. The rings around Neptune are made up of small particles of ice and rock. They are likely remnants of a moon or comet that was torn apart by Neptune's gravity.
Comet Wild 2 originated from the Kuiper Belt, a region beyond Neptune that contains icy bodies and comets. It originates from the outer edges of the solar system where such comets are formed and then get occasionally deflected towards the inner solar system.
After passing by Earth, Comet Halley continues on its elliptical orbit around the Sun, traveling out into the depths of the Solar System before eventually returning back towards the Sun. It follows a path that takes it beyond the orbit of Neptune before swinging back towards the inner Solar System.
it travels three times as fast as a comet
The tail of a comet is longest when the comet is closest to the sun, as the sun's heat causes the comet's icy surface to vaporize, creating a bright glowing tail that streams away from the comet.
Halley's Comet is currently a little beyond the orbit of Neptune.
Halley's Comet is following its long orbital path. It is currently a little past the orbit of Neptune, and is not visible.
it travels three times as fast as a comet
A comet can approach Pluto the closest, as can Neptune.
No. Halley's Comet barely gets past the orbit of Neptune, and not by much. It is well short of reaching into the Kuiper Belt.
Neptune does have rings, but they are faint and difficult to see from Earth. The rings around Neptune are made up of small particles of ice and rock. They are likely remnants of a moon or comet that was torn apart by Neptune's gravity.
Pluto is a dwarf planet. It could be an asteroid, or it could be a moon that escaped the orbit of Neptune. It could Not be a comet. Comets are chunks of frozen ice that travel in orbit around the sun, and as they near the sun, parts of the comet melt and leave a trail of melted water in their wake. Pluto never gets near the sun to melt. Pluto never gets nearer the sun than the orbit of Neptune.
No, Haley's Comet is not part of the Oort Cloud. It is a periodic comet that belongs to the Jupiter family of comets, originating from the Kuiper Belt. The Oort Cloud is a theoretical region of space much farther out in the solar system than where Halley's Comet originates.
Halley's Comet is PART OF our solar system. Halley's Comet is the best-known of the short-period comets, returning to the inner solar system every 76 years or so. It never gets much further away than the orbit of Neptune.
Right now, on March 20, 2011? There is none. The frozen core of Halley's Comet is drifting away from the Sun, and is out past the orbit of Neptune and slowing down. In about 10 years, Halley's Comet will reach aphelion (the farthest point in its orbit) and slowly begin to fall back inward. The comet probably won't develop any kind of tail until it gets in about to the orbit of Jupiter; that will be around 2055 or so.
No force is necessary to keep a moving object in motion. But if you want it tofollow a curve, such as for example a closed orbit, then that takes force. Theforce that keeps Neptune in its closed orbit is the same force that keeps everyplanet, moon, comet, and asteroid in its own closed orbit around its own centralbody. It's the force of gravity.
a comet/meteorite