Big Bang
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- Galileo Galilei
- Aristotle
- Due to my observations of the daily movement of celestial bodies in the sky, I think that earth must be stationary and therefore in the centre of the solar system!
- Aristotle was alive during the Classical Greek period (384-322BCE) and lived for a long time in Athens. At the time mythological theories were what people believed in, that is, before Aristotle'sobservations of the celestial bodies in the sky. He observed their movements through the night and day, and figured that because they came around in similar places and times each day, they revolved around the earth.
- Oh, Hi! We were just talking about who discovered and created us and how we changed the world of science! Personally, I think that Albert Einstein's theory of relativity was the most fundamental contribution to the big bang theory, but my friends here think otherwise. Maybe you could help us decide who has had the biggest impact on the history of the big bang theory by going back in time with us as we explain our stories...
- Thanks geocentricuniverse model. I do agree that people don't use common sense these days, but maybe Aristotle should have looked into his theory a bit deeper!
- WOW!! Saturn has 4 moons! And look at the changes in phase on Venus! These things could only happen if those planets orbit the sun not our earth! Copernicus was right..
- Georges Lemaitre
- Galileo made his own version of a telescope in 1609 after he heard of one made by a eyeglass maker. He used this to make amazing revelations about Venus and 4 of Saturn's moons. The phases of Venus was evidence meaning that the planet orbits the sun not earth, and therefore demonstrates the heliocentric model of the universe proposed by Copernicus.
- Personally, I think that's pretty cool! No-one these days actually uses their logical thinking abilities to make decisions. Modern people these days, it'a all AI!
- Edwin Hubble
- Thanks for the introduction equation, but you might not be able to explain my theory quite like I can.I published my theory in 1915, and if I do say so myself, it revolutionised the world's understanding of gravity and the universe's structure. It allowed for the possibility of an expanding and dynamic universe. This became a key starting point to form the modern big bang theory. In the end, it was my knowledge of advanced mathematical formation and trial with thought experiments that allowed me to make this discovery.
- Albert Einstein
- What great evidence! Even normal people will have to believe the primeval atom theory now!
- I'm sorry Telescope, but Galileo's discovery is barely any better than Aristotle's! And in comparison to Einstein's theory of relativity, a heliocentric universe is nothing!
- Sure, sure Hubble Space Telescope. I guess you guys were pretty good. But, who is known as the 'Father of the Big Bang'? That's right, Georges Lemaitre..
- Honestly equation, you need to stop jumping to conclusions! There are still 3 more people to talk, who are almost allguaranteed to be better that you! Take Edwin Hubble and me in 1924, for example.
- Hubble's Law. What a nice name for a.. a... well, law.
- Hubble used a 100inch telescope to observe some patches of light called 'nebulae'. He discovered that they were actually galaxies of their own, very far away. He made connections between the distance of the galaxies and the speed at which they were moving away from earth. Hubble named this relationship 'Hubble's Law' and states the velocity that the galaxy is moving is in proportion to its distance. This became major support for the theory of the big bang, became known as redshift, and gave a starting point for astronomers to calculate how long ago the galaxies began to drift apart. Therefore, this 'law' allowed astronomers to make an estimate of when the big bang happened, and how big and old the universe actually is.
- Georges suggested the idea of a 'Primeval' atom and suggested that universe started as one of these. He expressed that all of the worlds energy was concentrated into one very small point, and that one day this 'Primeval' atom exploded, leading to all of the energy in the world moving outward. Using Hubble's idea, he decided that redshift could transcribe into evidence for the expansion of the universe
- Wow Einstein, you are even more amazing than I thought!..Guys, I definitely think we have had the biggest impact on the big bang theory so far!
- You really think Georges is the best, Paper? Honestly! Arno Penzias and Robert Wilson literally won a Nobel Prize! In 1964 they came across an annoying background noise when trying to locate radio waves bouncing off Echo \balloon satellites. This interference would not go away no matter what they tried in order to remove it.
- Oh, I guess maybe Einstein isn't the best after all. Not that he is bad, just, maybe some of the other contribution's have had a bigger impact on the big bang theory.Who do you think had the biggest impact after hearing all that?? Because I think everyone's impacts are quite spectacular..
- The BIG BANG THEORY..
- That interference still hasn't gone away! We even cleaned pigeon poo off of the antenna! I wonder what it could be..
- This background noise ended up being cosmic microwave background (CMB), which turned into a major source of evidence for the modern big bang theory! This accidental revelation provided extremely convincing evidence that the universe had a very dense and hot birth. Over the billions of years Since that time the universe has obviously expanded and cooled.
- Arno Penzias Robert Wilson
- Lucy W
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