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How many spacecraft have landed on Saturn?

Strictly speaking, Saturn doesn't have a surface that can be landed on, so there have been no spacecraft landings on Saturn. Pioneer 11 and Voyagers 1 and 2 have done flybys of Saturn.


Was there ever a comet?

Yes, there are many comets that have been seen by people.


What is the least studied field?

There are so many fields that have not been studied in great depth. The least studied field is the one that hasn't been discovered yet.


What planet has never been visited by a space craft?

There are many planets in our solar system that have not been visited by a spacecraft. As of now, the planet Uranus has not been visited by any spacecraft.


How many times Neptune been visted by spacecraft?

1 time Neptune has been vist


What did people think of comets in the 1800's?

Comets have been in space since the start of time. In the 1800's there were many people who knew comets where a space phenomena, there were people who thought it was a message from the gods. What people thought of the comets depended on their cultural beliefs.


How many comets are there on planet Neptune?

There are no comets on Neptune because Neptune is a planet and comets are, well, comets. They have nothing to do with each other.


Is spacecraft singular or plural?

Spacecraft is both singular and plural. You can have one spacecraft or many spacecraft.


What spacecraft is missing in space?

In years past, there have been many spacecraft 'go missing' (Cosmos 1, Contour, Mars Polar Lander...), but I know of none that are currently missing.


Is Solar Furnace had been studied many times?

Yes solar furnaces have been studied and many patents have bben placed on various designs that incorporate curved mirrors and an array of mirrors focused on a central point. -Hope this helps you!


How many comets does Saturn have?

Saturn has not been found to have any comets orbiting around it. Comets are typically found in the outer reaches of the solar system in regions such as the Kuiper Belt or the Oort Cloud, rather than around gas giant planets like Saturn.


How many human explorations have there been on Jupiter?

There have been no human explorations on Jupiter. All missions to Jupiter have been conducted using robotic spacecraft.