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Naina The Big Bang

Extracts from this document...

Introduction

THE BIG BANG:

What Does It All Mean?

By Naina B


Contents

Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

The  Development and Progression

of the Big Bang Theory. . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5

Evidence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . .  7

Flaws . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . . . . . . . . .  8

Controversy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9

Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . .  . . . . . .   10

Before the Big Bang . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Apocalypse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11

Bibliography & Evaluation. . . . . . . . . . . . . . .  . . . . . .  . . . . .  12


Terminology

Here I have explained some of the terms that I will be using throughout the case study.

  • A dimension is a measurable distance. There are four dimensions know to us.
  • Space is the name for three dimensions (length, width and breadth) combined. Space defines where an event happens.
  • Time Is the fourth dimension that defines when an event happens.
  • Spacetime is the combination of all four dimensions (space and time) to create a co-ordinate system that allows specific events to be pinpointed by where and when they happen.
  • If a universe is static it isn’t expanding or contracting.
  • When the position of dark lines in the spectrum of a galaxy’s light is shifted towards the red end of the spectrum it is called redshift. It is thought that the speed at which galaxies are moving can be worked out by looking at the amount of redshift.
  • A singularity is a point with no dimensions. The laws of physics don’t apply to a singularity.
  • CBR stands for Cosmic Background Radiation, whichis microwave radiation that fills the entire universe.
  • The Planck Epoch is the time between 0-10-43 seconds (approximately), after the beginning of the universe.2

.


Introduction

...read more.

Middle

EVIDENCE FOUR

There is a large amount of Hydrogen and Helium in the universe, which backs up the idea that Hydrogen and Helium formed within the first three minutes of the Big Bang.


The Development and Progression of the Big Bang Theory

1791         Erasmus Darwin

Described a universe that contracts and expands in a repeated way.

1826         Heinrich Wilhelm Olbers

Stated that in a static infinite universe the night sky should be bright, but the sky as we see it is dark, and so, the universe must be finite and non-static.

1848        Edgar Allen Poe

Suggested that the universe began as a single ‘primal’ particle and expanded from a force that he called ‘divine volition’, one of the two forces that makes up all matter (repulsion and attraction). He believed that the universe would be drawn together by gravity to repeat the repulsion and then, attraction.

1910s         Vesto Slipher and later Carl Wilhelm Wirtz

Observed that spiral nebulae were moving away form Earth. Wirtz also observed a redshift in nebulae

Albert Einstein

His theory of General Relativity admitted that the universe couldn’t posssibly be static.

1927        Georges Lemaitre

Suggested  that the universe began as a single atom of energy that was hot and dense. The atom exploded, which caused space to expand outward.

1929        Edwin Hubble & Milton Humason

Edwin Hubble discovered that multiple galaxies existed, and that therefore the Milky Way wasn’t the entire universe (as was believed at that time).

...read more.

Conclusion

The expanding space idea suggests that the Big Bang was not a gigantic explosion but was instead an expansion of space.”This implies that the Big Bang theory was a gigantic explosion, when various sources[1]clearly state that this is not the case, and that the original theory is that space expanded, not that the singularity ‘exploded’. Such inaccuracies are included throughout the article, but I used the information that was relevant, and chose reasonable arguments against the theory. Most of the information from here wasn’t very reliable, though there were a few good points.
  1. http://www.virtualsciencefair.org/2004/khak4a0/public_html/problems.html
  2. http://www.rense.com/general53/bbng.htm
  3.  http://www.big-bang-theory.com/
  4. http://www.telescopes-astronomy.com.au/telescopes039.htm
  5. http://www.biblelife.org/bigbang.htm


[1] ThePenguin Dictionary of Science (by various authors, ISBN: 0-141-01074-6) includes this under the definition of ‘Big Bang’:  “…the Universe was born in a rapid expansion from a condition of ultra-high density. http://map.gsfc.nasa.gov/m_uni/uni_101bb1.html (NASA) says: “. . . 12 to 14 billion years ago, the portion of the universe we can see today was only a few millimetres across. It has since expanded from this hot dense state. . .

...read more.

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