Chart showing the Galactic orientation and location of Large Scale Structure in the local Universe.
brightness against its temperature and color.
Source: Investigating Stars, Investigating Astronomy, TERC
Before stars explode into the universe, they implode on their core.
This picture shows the different layering levels of an implosion.
First layer: Hydrogen fuses with Hydrogen to form Helium. Once all the Hydrogen is used up, gravity wins again, and the core collapses in on itself.
When the core reaches 100,000,000 degrees Celsius, the second stage begins.
Second layer: Helium fuses with Helium to produce Carbon and Oxygen.
If the star is big enough, the process continues. Carbon fuses with more and more elements creating more and more elements to fuse with more and more elements.
This is how todays known elements are formed. Every human is made up of things that were created in the heart of a dieing star.
The Arrow Of Time
Why doesn’t time reverse? Why does time go forward everyday? Why can’t it ever go in reverse?
The answer to this has to do with something called “the arrow of time.”
The arrow of time is sometimes referred to as a one-way direction of time. Events always happen in order, they’re never jumbled up, and they NEVER go backwards.
The arrow of time was created using The Second Law of Thermodynamics, which relates to “Entropy”. Entropy explains why glass shatters, why buildings fall down why sandcastles become part of sand again. Entropy is the amount of “disorder” in a particular object. It is the number of ways you can rearrange a particular object and still fundamentally keep the structure and shape.
An object with a low entropy has a low disorder (sandcastle). An object with a high entropy (sand dune/pile) has a high disorder. We can rearrange a sand dune many many many different ways and still keep the same shape and structure. However, a sandcastle is different. There are only a small amount of ways to change the sandcastle before it changes structure and shape. The sandcastle is a much more ordered state. This example was used by Brian Cox from his documentary “Wonders of The Universe.”
Once the sandcastle has been left alone for a long period of time, it is obvious that the wind would break down the structure of the castle, and form a sand pile somewhere else. But there is no law of physics that states that the wind couldn’t spontaneously pick up a pile of sand and create a particular sandcastle. It is just HIGHLY UNLIKELY. Entropy always travels from low to high.
This is the reason why time only runs in one direction. It is asymmetrical.This is why time is irreversible. It is because as each moment in life passes, things change. As time continues, everything is irreversibly changing.
Each galaxy contains hundreds of billions of stars, and there are over a hundred billion galaxies in our universe
Whats so different about the current trend in warming?
Scary photo much?
I think so.
The International Panel on Climate Change (IPCC) is responsible for this incorrect and false leading image.
The figure depicts future temperatures for the globe. Up to an 8 degree increase by the year 2100. The IPCC generated this image using “Positive Feedback” information.
“Positive Feedback” mechanisms are mechanisms that drive something. In this case, human induced Carbon Dioxide, or any Carbon Dioxide for that matter, is a positive feedback mechanism for the warming of the globe.
A negative feedback mechanism is the opposite. A negative feedback mechanism is a mechanism that decreases the drive. In terms of global warming and CO2, a negative feedback mechanism would be a plant photosynthesis.
Plants use carbon dioxide to fuel photosynthesis.
The IPCC considered ONLY POSITIVE FEEDBACK mechanisms when producing data for this figure. They did not take into account ANY negative feedback mechanisms. Hence, a scary image to scare uneducated, anti-skeptical and all believing people.
Why and how do they get away with this?
Politics? I dunno. Giz answers.
