Question

giant cloud of gas and dust particles that can be seen floating in the space​

Answer 1

yes it is correct they become star at specific conditions

Answer 2

The Spitzer Space Telescope observed this spider-shaped cloud of dust and gas. ... It can see through gas clouds like this to reveal that new stars are forming inside them. Elephant's Trunk: This nebula (cloud of gas and dust in space) is a glowing star nursery