If you're puzzled by what dark energy is, you're in good company.
As a scientist, you feel a sense of team spirit for your country but you also have a sense of team spirit for the international community.
Probably the single most important thing about the Nobel Prize for most people is whether they get the coveted parking space on campus.
There are still so many questions to answer. When you look at any part of the universe, you have to feel humbled.
It is a tough choice between ending up in the cold or ending up in a fiery blast.
This is the kind of discovery that resonates.
We have a remarkably complete picture in many ways - and it could be that we're not accounting for something that's almost three-quarters of the entire universe.
Nobody really expects a Nobel Prize call.
For almost a century, the Universe has been known to be expanding as a consequence of the Big Bang about 14 billion years ago. However, the discovery that this expansion is accelerating is astounding. If the expansion will continue to speed up, the Universe will end in ice.
I will say that growing up as a kid in an urban environment and having lived in cities all my life, the one achievement that everyone can look forward to is getting the perfect parking spot.
It seemed like my favourite kind of job - a wonderful chance to ask something absolutely fundamental: the fate of the Universe and whether the Universe was infinite or not.
It's an unusual opportunity, a chance for so many people to share in the excitement and the fun of the fact that we may be on to hints as to what the Universe is made out of. I guess the whole point of a prize like this is to be able to get that out into the community.
It's interesting to wake up at 3 in the morning by someone saying they're a reporter and they want to know how you feel. I felt fine, but I said, 'Well, why do you ask?'
The original project began because we know the universe is expanding. Everybody had assumed that gravity would slow down the expansion of the universe and everything would come to a halt and collapse. The big surprise was it was actually speeding up.
Astronomers ought to be able to ask fundamental questions without accelerators.
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