Earth!
No, it's a mineral found in planets. There is no planet named tungsten.
Pulsar planet.
No, water is not found on every planet in our solar system. Some planets are too hot or too cold to have liquid water on their surface. However, water is considered a key ingredient for the possibility of life, so scientists continue to search for water on other planets and moons.
jupiter is the bigger planets
saturn
9 we found pluto in 1930 and counted it as a planet
Scientists have found evidence of liquid water on Mars, Europa (a moon of Jupiter), Enceladus (a moon of Saturn), and possibly Ganymede (another moon of Jupiter). These are the known bodies in our solar system with liquid water.
Only our own planet, Earth. It's known to exist as ice and liquid, or ice and gas, on other planets or their moons (Jupiter's moon Ganymede is a good example), but only on Earth can it be found as vapour, liquid and solid ice.
the only planet that scientists do not consider a planet is Pluto, (but they also found new planets in the asteroid belt.)Pluto
On Earth.
They are categorized as "dwarf planets" now, leaving only 8 regular planets in our solar system. The names of all the dwarf planets are:CeresPlutoHaumeaMakemakeEris
Scientist's are discovering new planet's all the time. They call these planets exoplanets. As of November 2009 there are 404 planets outside of our own solar system.