Fields in Astronomy

 

Observational Astronomy


Hubble Space Telescope

Observational Astronomy is the area of Astronomy that deals with direct observations of the universe.

Theoretical Astronomy


the Schwarzschild metric

Theoretical Astronomy is Astronomy's theoretical branch

Planetary Astronomy


Mars

Planetary Astronomy is the field of Astronomy that studies planets

Solar astronomy


The Sun

Solar astronomy is the field of Astronomy that studies the Sun.

Stellar astronomy


Stars

Stellar astronomy is the field of Astronomy that studies stars.

Galactic Astronomy


Milky Way
NASA/JPL-Caltech/ESO/R. Hurt

Galactic Astronomy is the field of Astronomy that studies galaxy the Milky Way

Extragalactic Astronomy


Andromeda Galaxcy
NASA/JPL-Caltech

Extragalactic Astronomy is the field of Astronomy that studies galaxies outside the Milky Way.

Cosmology

 
The Cosmic Microwave Background
ESA and the Planck Collaboration

Cosmology studies the Universe, its structure, composition, history and origin. The influenced by philosophical assumptions on Cosmology results in different cosmologies be produced by different starting assumptions. The Big Bang assumes an unbounded universe, however this resulted in the biggest failure of the Big Bang. This is failure results from the fact that the results of measurements of Type Ia Supernovae produced the one type of result that the Big Bang predicted would not happen. Rather than doing real science an questioning the Big Bang, Dark Energy was invented for the sole purpose of saving the Big Bang from reality.

 


 
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