Science

posted by .

What two major factors determine the size of a star?

Is it
a) Gravity and Mass OR
b) The force of gravity pulling in trying to make the star as small as possible and the outward pressure from the radiation generated in the core trying to swell it up.

Thanks :) Because I'm getting confused here.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Science

    In general, the narrower the spectral line of a star A.the hotter the star is B.the bigger the star is C.the denser the star is D.the smaller that star is E.the cooler the star is E. the cooler the star is . Lower temperatures result …
  2. Physics

    The star has a mass n_1 times that of the planet, which orbits this star. For a person on the planet, the average distance to the center of the star is n_2 times the distance to the center of the planet. In magnitude, what is the ratio …
  3. Science

    explain role of gravity in formation of a star. as a star starts to form as a nebula, small amounts of matter collide and stick together, becoming larger masses with increasingly stronger gravity. Am I correct?
  4. Astrophysics

    Star Power and Temperature Star A and Star B Consider two stars that are the same size (they have the same diameter), but have different surface temperatures. Let’s say Star A’s temperature is 3000 K and Star B’s temperature …
  5. Astronomy

    Another possible energy source would be gravity. Imagine that the strange object contains a black hole of mass mbh. You drop a star of mass m into it. If the star of mass m starts at rest at infinity, what will the kinetic energy of …
  6. Science

    Which of the following is an indication that a planet may exist near a distant star A. the star varies in temperature B. The star has a very slight back and forth motion C. the star has very strong gravity D. Radio wave activity increases …
  7. Science please help :)?

    3. which if the following factors determines how long a star will live ?
  8. SCIENCE HELP PLEEASE

    Given the following images, choose the one that most likely represents an O-class star. Star A is a yellow star. Star B is a blue star. Star C is a red star. Star D is a green star. A B C D is it b
  9. Astronomy

    Hi, can you please check my work? I really need to do well on this. 1. What properties of a star are needed to calculate the stars luminosity?
  10. Astronomy

    1. What color are stars that are very hot and very bright?

More Similar Questions