Priyamvada Natarajan Quotes

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.

Finding the first seed black holes could help reveal how the relation between black holes and their host galaxies evolved over time.

Many people find the universe confusing - it's not.

The origin of galaxies is one of the fundamental questions of astronomy, and that's what I've been studying.

Hubble showed us the marvel and majesty of stars being born.

We've seen black holes, which is already wonderful. We also expect to see the merger of neutron stars, and that was a thing that actually gave this field a certain credibility when it was discovered that there were pairs of neutron stars in our galaxy, and people stopped laughing at us when that was found out.

It's quite likely that planets and solar systems like ours could be forming in other galaxies in great numbers.

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.

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.

I always think of space-time as being the real substance of space, and the galaxies and the stars just like the foam on the ocean.

The central region of the Milky Way, known as the bulge, is stuffed with literally tens of billions of stars. And most of these are old - considerably older than our Sun or its neighbors - because this part of the galaxy formed first. Consequently, bulge stars are generally deficient in heavy elements.

If you take a galaxy and try to make it bigger, it becomes a cluster of galaxies, not a galaxy. If you try to make it smaller than that, it seems to blow itself apart.

Earlier generations of stars in the galaxy could well have had planets. But really, there was only hydrogen and helium to work with, so they'd all be gas giants and not small, rocky planets.

Pure science - this vision of the universe as 15 billion light years across - I am bedazzled and awed by it.

There are lots of ideas which extend the Copernican principle one step further. We went from the solar system to the galaxy to zillions of galaxies and now to realising even that isn't all there is.

The black holes of nature are the most perfect macroscopic objects there are in the universe: the only elements in their construction are our concepts of space and time.

It's hard to know which stars in the sky will turn into black holes. And which ones will open up worm holes into entire new universes.

I've seen children's eyes light up when I tell them about black holes and the Big Bang.

The universe is a great mystery.

One of the key differences between galaxies with super massive black holes is whether or not the black holes are lit up, because they are basically bingeing on a lot of material in its surroundings.

In 'Cosmicomics,' I came close to science fiction - I was inspired by cosmological subjects and the workings of the universe and invented a character who was a sort of witness to everything that was happening inside the solar system.

Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people.

Scientists - who prefer explanations subject to laboratory tests - figure that everything we see today was as inevitable as wrinkles, once the Big Bang established physics. Stars and planets were cooked up as huge clouds of matter collapsed and coalesced.

We, all of us, are what happens when a primordial mixture of hydrogen and helium evolves for so long that it begins to ask where it came from.

Scientists have wonderfully explained the organization of the universe, but that's really all it claims to do, and I think it does that very successfully.