No, Jupiter is not made out of dust. While it formed from a disk of gas and dust, it is primarily composed of hydrogen and helium, the same elements that make up the Sun.

Here's a breakdown:

* Composition: Jupiter's atmosphere is about 89% hydrogen and 10% helium, with trace amounts of other elements.

* Core: Jupiter is thought to have a solid core of rock and ice, but this core is much smaller than the planet itself.

* Formation: Jupiter formed from a disk of gas and dust around a young star (our Sun). The gravity of the gas and dust pulled together, eventually forming a massive planet.

So, while dust was part of the initial ingredients, it's a small part of Jupiter's composition compared to the vast amounts of hydrogen and helium that make up the planet.