- Black Holes
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- Nov 07, 2020
Priyamvada Natarajan Quotes
Most Famous Priyamvada Natarajan Quotes of All Time!
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- Last Updated on May 30, 2021
- Black
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- Nov 07, 2020
Data suggest that central black holes might play an important role in adjusting how many stars form in the galaxies they inhabit. For one thing, the energy produced when matter falls into the black hole may heat up the surrounding gas at the center of the galaxy, thus preventing cooling and halting star formation.
- Black
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- Nov 07, 2020
Black holes are enigmatic astronomical objects, areas where the gravity is so immense that it has warped spacetime so that not even light can escape.
- Astronomy
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- Nov 07, 2020
I am a professor of astronomy and physics at Yale University, where I teach an introductory class in cosmology. I see the deficiencies that first-year students show up with.
- Long
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- Nov 07, 2020
My students may have dexterity with the equations they're required to know, but they lack the capacity to apply their knowledge to real-life problems. This critical shortcoming appears in high school and possibly in elementary grades - long before college.
- India
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- Nov 07, 2020
Growing up in Delhi, India, I did puzzles, explored numbers, and searched for patterns in everyday settings long before I ever saw an equation.
- History
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- Nov 07, 2020
Perhaps more than English or history, STEM subjects require an enormous amount of foundational learning before students can become competent.
- Everyone
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- Nov 07, 2020
Everyone acknowledges that there is a political part to tenure, but no one likes to admit it.
- Galaxies
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- Nov 07, 2020
We knew from theoretical models that mergers of massive, gas-rich galaxies were more frequent in the past. Now we've found that these mergers are responsible for producing both the nearby obscured quasar population and their distant cousins.
- Explain
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- Nov 07, 2020
We cannot explain the phenomenon of gravitational lensing without general relativity, and this is where MOND spectacularly fails.
- Path
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- Nov 07, 2020
If you know the shape of the lens and the image you get, you can work out the path that light followed between the object and your eye.
- Like
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- Nov 07, 2020
The precise effects of lensing depend on the mass of the lens, the structure of space-time, and the relative distance between us, the lens, and the distant object behind it. It's like a magnifying glass, where the image you get depends on the shape of the lens and how far you hold it from the object you're looking at.
- Fate
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- Nov 07, 2020
The geometry, the content, and the fate of the universe are all intricately linked. If you know two, you can deduce the third.
- Good
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- Nov 07, 2020
We already have a pretty good knowledge of the universe's mass-energy content, so if we can get a handle on its geometry, then we will be able to work out exactly what the fate of the universe will be.
- Black Holes
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- Nov 07, 2020
Evidence has been mounting for the key role that black holes play in the process of galaxy formation. But it now appears that they are likely the prima donnas of this space opera.
- Better
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- Nov 07, 2020
It is my idea that the public needs to be better educated about the nature of scientific inquiry and how the scientific process works. I firmly believe that this is the only effective way forward to combat the widespread distrust in facts and science.
- Me
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- Nov 07, 2020
Mental discipline and tenacity in the face of obstacles are traits that have greatly helped me in both my personal and professional journey thus far. I am also very optimistic by nature and tend to focus on the positive and remain hopeful when faced with adversity.
- Exuberant
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- Nov 07, 2020
I am obsessed with trying to understand why there is such rampant denialism of science in our country. I find this exuberant irrationalism extremely disturbing. And this is particularly troubling, because I am a professional scientist.
- Matter
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- Nov 07, 2020
As an astrophysicist, my research work involves mapping dark matter, the elusive substance that accounts for about a quarter of our universe.
- DNA
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- Nov 07, 2020
The deep fascination with the mysterious, and the impulse to seek and locate ourselves in the cosmic context, seems to be imprinted in our DNA and psyches.
- Always
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- Nov 07, 2020
Mapping, both literal and metaphorical, has always been about our quest for knowing.
- Four
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- Nov 07, 2020
All the particles that we are made of only account for about four per cent of the cosmic inventory.
- Matter
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- Nov 07, 2020
Dark matter is one of the dominant constituents of the universe, which piled up in certain parts of the universe due to gravity, and in those regions, galaxies were formed. It is the unseen thing that holds the universe together.
- Irritating
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- Nov 07, 2020
We scientists have an obsession with unification, a grand synthesis. And dark matter is an irritating missing piece.
- Black Holes
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- Nov 07, 2020
The early universe was a dusty place, and the UV radiation from the hot, young black holes and stars would get enshrouded by dust, re-radiated, and scattered into red wavelengths like infra-red, causing these objects to remain obscured.
- Dark
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- Nov 07, 2020
Dark matter is particularly intriguing because it's some kind of particle - that's for sure.
- Love
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- Nov 07, 2020
I fell in love with the night sky when I first looked through a telescope as a young girl growing up in Delhi.
- Dark
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- Nov 07, 2020
The existence of dark matter and dark energy are inferred from observations! They are not theoretical constructs. Though invisible, both reveal their presence through the effects that they exert on motions of celestial bodies and in the case of dark matter - the bending of light as well.
- I Am
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- Nov 07, 2020
I am a phenomenologist - I work on developing theoretical models that are constrained by observations.
- Complicated
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- Nov 07, 2020
I find the world with its inequities and injustices to be messy, unfair, and complicated. The cosmos, on the other hand, is orderly and beautiful - this I find terribly alluring and captivating.
- Cash Register
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- Nov 07, 2020
My own day-to-day observations confirm that many Americans can barely make change. At the supermarket where I buy groceries, I've watched more than one encounter at the cash register where both customer and clerk are befuddled at the prospect of double-checking the sums.
- Job
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- Nov 07, 2020
I'm an astrophysicist and a professor, so my day job involves manipulating intractable numbers that characterize our universe.
- Congress
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- Nov 07, 2020
As Congress battles over spending and cost cutting, it is imperative that funding for math education programs does not fall victim.
- Learning
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- Nov 07, 2020
In addition to a well-funded school system, we need to encourage and exploit innovative approaches for learning outside the classroom.
- Changed
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- Nov 07, 2020
In an era of ever-increasing globalization, what it takes to become and remain a science superpower has fundamentally changed.
- Now
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- Nov 07, 2020
Research in basic sciences now requires resources that no one country can provide.
- Field
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- Nov 07, 2020
The pace and demands in any field, be it genetics, nanotechnology or cosmology, can only be met with increased international cooperation and collaborative projects.
- Difficult
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- Nov 07, 2020
We must face up to a difficult paradox: The U.S. can maintain a leading position in science only by giving up its desire to be number one.
- Progress
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- Nov 07, 2020
Progress in science occurs in fits and starts, and paradigm shifts occur when evidence can be marshaled to support a new point of view.
- Our
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- Nov 07, 2020
Science is evidence-based and provides a continuing understanding of complex natural phenomena. Our understanding is constantly evolving and continually improving.
- Data
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- Nov 07, 2020
Evidence-based reasoning underpins all scientific thinking, and it involves testing hypotheses or theories against data. Validating a theory requires replicable measurements from independent groups with different equipment and methods of analysis. Convergence of evidence is critical to the acceptance of a scientific idea.
- Nature
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- Nov 07, 2020
Scientific knowledge is, by its nature, provisional. This is due to the fact that as time goes on, with the invention of better instruments, more data and better data hone our understanding further. Social, cultural, economic, and political context are relevant to our understanding of how science works.
- Bridge
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- Nov 07, 2020
No one wants to walk across a crowd-sourced bridge.
- Evaluate
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- Nov 07, 2020