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Neither.Science is the application of the Scientific Method. This involves forming a hypothesis, testing it by making careful observations, and ultimately forming a predictive model that gets vetted by peer review."Art" is an vague term which covers a wide range of activities, most of which involving the manipulation of materials, systems, or organisms (e.g. humans) in order to create something beautiful and/or provocative.

If you BELIEVE in science you are doing it wrong.Science is to be learned and understood.When you have data you don't need faith.Why does it work?Why is it the best way to explain phenomena?Excellent question.The answer is scientific method.Here are its steps:Develop a question you would like to resolve through scientific research.Make observations by gathering information through background research and describing the phenomenon you're investigating.Form a hypothesis. This is an explanation of how the phenomenon operates. It can be used to predict future observations.Test your hypothesis by performing experiments and collecting data.Analyze your data to see if it confirms your prediction.Interpret the data and draw conclusions that may serve as a starting point for a new hypothesis. You should be able to confirm whether or not your original hypothesis was correct.Publish and communicate your results.Everything must be repeatable, up for peer review and tested without bias.If results attest to the assumption being wrong, desert the assumption.A scientific theory (like gravity) summarizes a hypothesis or group of hypotheses that have been supported with repeated testing. If enough evidence accumulates to support a hypothesis, it moves to the next step—known as a theory— in the scientific method explained above, and becomes accepted as a valid explanation of a phenomenon.The theory presented must provide the method which led to its becoming for scrutiny and criticism.This theory will FOREVER be challenged and confronted by all new relevant findings and will only remain relevant as an explanation to the phenomena it explains, if such new finding do not contradict it.This methodology makes bias and wishful thinking... well.. irrelevant to the conclusion.Hope this helps.

Depends, can I prepare in advance?If I can, I might just be able to get my PhD….My PhD (when I start it in October) will be based on galactic physics — understanding the dynamics of the galaxy, and how this affects various other properties — i.e. how chemistry and star formation form a complicated feedback loop into the dynamics.The problem with this is that the theoretical study of our galaxy needs to be constrained with observational data.But unlike looking at other galaxies where we can spot nice features, such as this glorious warp in ESO-510:Spotting such things in our galaxy is a bit more complicated…because we are inside it.We can’t take a step outside of our galaxy to have a peek at what it looks like, we have to use much more indirect methods, peering through our galaxy to try and spot these patterns imprinted on the inside.It’s like trying to work out what colour the building you are in is painted — but you’re not allowed to open any of the windows!The fact that we’re inside our galaxy can also create all sorts of illusions — a popular theory is that some objects we’ve observed in our galaxy which were initially thought to be streams of accreted matter from another galaxy are actually part of our own galaxy.If you imagine the galaxy is rippled, like an ocean wave, and we’re a little boat at the bottom of the wave — we can see the peaks of a few other waves stretching into the distance, but they look like they’re floating above the rest of the sea (since we can only see the peaks, not the rest of the wave!)We think a similar observation effect is what causes these streams to be misidentified — ripples in the galaxy obscuring what we can see.Therefore, if I could take a powerful observation instrument, I could use my 1 year trip around the galaxy to take observations from multiple points around the galactic disk.It’s not quite as good as being able to see the galaxy from the outside, but multiple observation points would give me multiple perspectives from which to draw data, and hence we could use this to do all sorts of interesting galactic physics.We could once and for all nail down a lot of questions that are really rather difficult to answer just based from Earth-centric observations!