Ib astrophysics summary

  • What are the basic concepts of Astrophysics?

    Topics studied by theoretical astrophysicists include stellar dynamics and evolution; galaxy formation and evolution; magnetohydrodynamics; large-scale structure of matter in the universe; origin of cosmic rays; general relativity and physical cosmology, including string cosmology and astroparticle physics..

  • What are the main points of Astrophysics?

    Astrophysics is a branch of space science that applies the laws of physics and chemistry to seek to understand the universe and our place in it.
    The field explores topics such as the birth, life and death of stars, planets, galaxies, nebulae and other objects in the universe..

  • What is the basic introduction to Astrophysics?

    Astrophysics is the study of the planets, the Sun and other stars, the Milky Way Galaxy and the other galaxies, the interstellar medium and intergalactic medium, and the Universe itself.
    This study is aided by our knowledge of the laws of Physics discovered by experiments carried out in laboratories..

  • What is the main goal of Astrophysics?

    NASA's goal in Astrophysics is to "Discover how the universe works, explore how it began and evolved, and search for life on planets around other stars." Three broad scientific questions emanate from these goals..

  • What is the summary of IB physics?

    As one of the three natural sciences in the IB Diploma Programme, physics is concerned with an attempt to understand the natural world; from determining the nature of the atom to finding patterns in the structure of the universe..

  • What makes Astrophysics interesting?

    Remarkable discoveries have been made in astrophysics in recent time ranging from the Big Bang and the early Universe, to the Cosmic Microwave Background and its fluctuation spectrum, to measurements of the large-scale structure in the Universe, the existence of Dark Matter and Dark Energy, the discovery of .

  • Why do you like Astrophysics?

    Studying Astronomy and Astrophysics helps us to understand Physics better.
    The energy scales and extreme environments in the universe can't properly be simulated in our earth based labs.
    So, by studying about the celestial objects we can gain a better understanding of the Physics at these extreme scales..

During this stage, stars are burning hydrogen.
The H-R diagram is also used by scientists to help the figure out roughly how far away the stars are from Earth.,This can be done because if we know the apparent magnitude, we can plot the star onto the graph using its spectral class and the type of star it is.
We can then  ,This equilibrium is gained through nuclear fusion which provides the energy the star needs to keep it hot so that the star's radiation pressure is high enough 

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