What would happen to the core of the sun if the temperature rise slightly?

What would happen to the core of the sun if the temperature rise slightly?

What would happen to the core of the sun if its temperature rose slightly? The rate at which fusion occurs would increase, leading to an expansion of the core, which would in turn cause the temperature to drop back down.

What do we mean when we say that the Sun is in a gravitational equilibrium?

What do we mean when we say that the Sun is in gravitational equilibrium? There is a balance within the Sun between the outward push of pressure and the inward pull of gravity. The amount of energy released by fusion in the Sun’s core equals the amount of energy radiated from the Sun’s surface into space.

What would happen in the Sun of fusion reactions suddenly ceased?

If nuclear fusion reactions at the core of the Sun mysteriously ‘suddenly stopped entirely’, the overlying (mostly hydrogen) layers would fall toward the core due to decreased radiation pressure. The diameter would decrease.

Does the Sun have a core?

And, just like a golf ball, the Sun is made up of layers: a core, a surface, and surrounding atmospheric layers, each of which have their own layers. Core: the temperature at the very center of the Sun is about 27 million degrees Farenheit (F).

What happens in the Sun’s core?

Welcome to the core The core of the Sun is home to billions and billions of atoms of hydrogen, the lightest element in the universe. The immense pressure and heat pushes these atoms so close to one another that they squish together to create new, heavier atoms. This is called nuclear fusion.

What does the core of the sun do?

The Core. The Sun’s core is the central region where nuclear reactions consume hydrogen to form helium. These reactions release the energy that ultimately leaves the surface as visible light. These reactions are highly sensitive to temperature and density.

Why is the Sun shrinking?

Every 11 years, the sun’s radius oscillates by up to two kilometres, shrinking when its magnetic activity is high and expanding again as the activity decreases. We already know that the sun is not a static object. Its surface is regularly covered with darker areas known as sun spots and brighter areas known as flares.

What is happening in the core of the sun?

The core of the Sun is home to billions and billions of atoms of hydrogen, the lightest element in the universe. The immense pressure and heat pushes these atoms so close to one another that they squish together to create new, heavier atoms. This is called nuclear fusion.

What would happen if the Sun’s reaction stopped?

If the Sun miraculously disappeared, the Earth (and all the other objects in the Solar System) would continue their forward motion in a straight line off into space, instead of following their almost-circular orbits. For the Earth this means it would head off towards the stars at about 30km/s (67,000mph).

What would happen in the Sun if fusion reactions suddenly ceased quizlet?

We would be able to tell that fusion reactions had ceased because we would no longer detect neutrinos from the Sun. Neutrinos, a by-product of nuclear fusion, exit the Sun immediately. The rate at which fusion generates energy in the Sun’s core and the rate at which the Sun’s surface radiates energy into space.

What happens in the core of the sun?

What does the core do in the Sun?

What would happen if the core of the Sun suddenly became hotter?

Suppose that, for some unknown reason, the core of the Sun suddenly became hotter. Which of the following best describes what would happen? A) Higher temperature would cause the rate of nuclear fusion to rise, which would increase the internal pressure, causing the core to expand and turn the Sun into a giant star.

How did the Sun get its heat?

As the Sun was forming, gravitational contraction increased the Sun’s temperature until the core become hot enough for nuclear fusion, which ever since has generated the heat that makes the Sun shine. d.) The Sun initially began making energy through chemical reactions.

What is the best answer to the question “why does the Sun Shine?

Terms in this set (19) Which of the following is the best answer to the question, “Why does the Sun shine?” As the Sun was forming, gravitational contraction increased the Sun’s temperature until the core become hot enough for nuclear fusion, which ever since has generated the heat that makes the Sun shine.

Why is the rate of fusion increasing in the Sun?

C) The radiation produced by fusion reactions that is trapped in the core gradually raises the temperature, increasing the rate of fusion. D) The Sun gets heavier as it gets older, and the stronger inward pull of gravity increases the fusion rate. E) The rate of fusion is not rising; it is actually decreasing over time.