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What is the gas and dust that contracts to form a star?
A nebula.
What force helps a star to begin to form?
a gas bubble
When is a star formed?
Stars form when there is a sufficient concentration of interstellar gas, to begin the process of gravitational collapse into a star.
A contracting cloud of gas and dust with enough mass to form a star?
a protostar
What has to occur for a star to form?
For a star to form, a cloud of gas and dust in space must collapse under its own gravity, causing the material to heat up and ignite nuclear fusion, creating a star.
Can condense and become concentrated enough to form a star and possibly planets?
A nebula is a large cloud of gas and dust in space. As gravity pulls the particles in a nebula closer together, it can cause the material to condense and become concentrated enough to form a star and, eventually, planets.
What is a contracting cloud of gas and dust with enough mass to form a star called?
A nebula
What is a body of gas that gives off tremendous amount of radiant energy in the form of light and heat?
A star is a body of gas that gives off tremendous amounts of radiant energy in the form of light and heat through nuclear fusion reactions in its core.
What does the core of a star do when it blows its surface into space to form a planetary nebula?
When the core of a star blows its surface into space to form a planetary nebula, it sheds its outer layers of gas, exposing the hot, dense core of the star called a white dwarf. The white dwarf emits ultraviolet radiation that ionizes the ejected gas, causing it to glow and form the planetary nebula.
Where would a new star most likely form?
A new star would most likely form in a region of space called a stellar nursery, found within dense interstellar clouds of gas and dust. These clouds provide the necessary materials and conditions for the gravitational collapse of the gas to occur, leading to the birth of a new star.
What causes starts to form out of gas clouds?
Stars form from gas clouds when gravity causes the gas to condense and heat up, eventually reaching temperatures and pressures that trigger nuclear fusion. This fusion reaction releases energy, causing the proto-star to shine and become a fully-fledged star.
Does a new star often illuminates the gas and dust surrounding it?
Yes, a new star can illuminate the gas and dust surrounding it as the star's radiation and energy interact with the surrounding material, making it glow. This glowing gas and dust can sometimes form a glowing nebula visible in the night sky.
