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CHRISTIAAN HUYGENS
CHRISTIAAN HUYGENS
The Hague, Netherlands (/1629/ - /1695/)
Utilizando el Observatorio de Paris (terminado en 1972), Christiaan Huygens hizo profundas abservaciones astronómicas. En 1684 publicó el libro titulado "Astroscopia Compendiaria" que presentaba su nuevo telescopio aerial.
 

Disfrute estos perspicaces y educacionales videoclips obtenidos de más de 70 horas de entrevistas con las más notables figuras en astronomía tomadas durante la filmación del documental 400 Años del Telescopio.

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Claire Max

Turbulence and twinkling stars
Claire Max - University of California, Santa Cruz

You may ask on a calm night when the sky is beautiful and still, is there still turbulence? And you can actually see the turbulence if you look at the stars and you see them twinkling. And it’s the same factor that makes the stars twinkle, as it does that makes astronomer’s images blur.

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Claire Max

Sources of turbulence
Claire Max - University of California, Santa Cruz

So, where does the turbulence in the air come from? That’s a good question. One way to make turbulence is to have what’s called a sheer flow. You have wind going in opposite directions and the layer in between the parts of the atmosphere are going in opposite directions gets turbulent.

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Claire Max

Adaptive optics at Keck Observatory
Claire Max - University of California, Santa Cruz

One of the things that we hope to do with adaptive optics in the future is to gradually see over wider and wider regions. And one of the big advances will be on the Gemini South telescope that’s in Chile, where they are installing something with a long name: multi-conjugate adaptive optics, which will see over somewhat of a wider region than systems do today.

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Michel Mayor

Opposing viewpoints in exosolar research
Michel Mayor - Geneva University

This was the start of a very big stimulating domain, because it was the very first one, but today we have more than maybe 300 planets, discovered today. So you see that in twelve years, thirteen years, we have discovered a huge number of objects, and these objects reveal one unexpected picture – is the diversity of extrasolar planetary systems. The solar system is by no means a unique model of what we have in the universe.

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Michel Mayor

Exosolar planet research techniques
Michel Mayor - Geneva University

For the moment we have basically three techniques – we have the radial velocity, and this reveals more than two hundred planets. We have the transit, a few dozen and microlensing. But in the future, new techniques will arrive.

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Michel Mayor

Calculating the mass and radius of a planet
Michel Mayor - Geneva University

After these fourteen years of discoveries of extrasolar planets, we know a lot on the orbits, the distribution of orbits. But what is the most exciting point today is the study of the characteristics of planets. We have the possibility with satellites to study the internal composition of planets.

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Michel Mayor

Florence, October 1995
Michel Mayor - Geneva University

Today we are in Florence. Florence for me is a very special town because it’s the place where twelve years ago we announced the discovery of 51-PEG. 51-PEG is the first planet orbiting a star very similar to our Sun. So, it was a conference devoted to study the relationship between the Sun and the other stars, so it was a good place to make the announcement.

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Michel Mayor

Galileo and exosolar planets
Michel Mayor - Geneva University

By some aspect, Galileo was a leader of the field because he discovered the rotation of moons of Jupiter, and this was a huge impact in the development of astronomy, because it was really the proof that something equivalent to the solar system exists around the place, in fact, around the planet.

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Michel Mayor

Indirect detection of extrasolar planets
Michel Mayor - Geneva University

All discoveries of the planets have been indirect. What does this mean? We have not seen the planet but we have detected the influence of the planet on the star.

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Michel Mayor

Interest in the universe
Michel Mayor - Geneva University

You have two different kinds of interest. If you discover that interest from astronomers, it’s okay, you have that global satisfaction to have a new feel of astronomy starting, and the possibility to understand the formation of planetary systems and so on, and maybe in the long term to enter into the condition of life formation.

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Michel Mayor

IYA greeting (Français)
Michel Mayor - Geneva University

Transcript in progress.

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Michel Mayor

IYA greeting (English)
Michel Mayor - Geneva University

Today we have beautiful question facing us. So I hope that after 2009, young people will still conserve the same curiosity to explore the universe and we will have still big questions to answer.

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Michel Mayor

Looking for a low-mass planet
Michel Mayor - Geneva University

At the present time, the most interesting part of my work is to search for very low mass planets, to try to find a real analog of the Earth. And if we combine detection by Kepler and the precision of more instrumentation, I am absolutely sure that we have the capabilities which we need.

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Michel Mayor

Why I became an astronomer - Part 1 (Français)
Michel Mayor - Geneva University

Transcript in progress.

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Michel Mayor

Why I became an astronomer - Part 2 (Français)
Michel Mayor - Geneva University

Transcript in progress.

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Michel Mayor

Why I became an astronomer - (English)
Michel Mayor - Geneva University

I was really interested by natural science, so I did studies in physics, and then after theoretical physics, but I was absolutely interested in any kind of science. And at the end of my studies, I started to work at the university in astronomy, but I can easily imagine to have the same enthusiasm for a different domain of science, for some geophysics, oceanography and so on. So in some sense it’s a little piece of chance.

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Michel Mayor

Why we are interested in an Earth analog
Michel Mayor - Geneva University

Why we are interested in Earth-like analogs, an Earth-type planet analog? In fact, the dream behind this is to find the planet with the capability, with the condition, to sustain life, to permit the development of life.

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Matt Mountain

My astronomical heroes
Matt Mountain - Space Telescope Science Institute (STScI)

Transcript in progress.

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Matt Mountain

Dark energy and dark matter
Matt Mountain - Space Telescope Science Institute (STScI)

Transcript in progress.

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Matt Mountain

Diffraction limits
Matt Mountain - Space Telescope Science Institute (STScI)

Transcript in progress.

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Matt Mountain

The future of astronomy
Matt Mountain - Space Telescope Science Institute (STScI)

Transcript in progress.

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Matt Mountain

Great questions of astronomy
Matt Mountain - Space Telescope Science Institute (STScI)

Transcript in progress.

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Matt Mountain

Ground versus space telescopes
Matt Mountain - Space Telescope Science Institute (STScI)

Transcript in progress.

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Matt Mountain

Overlap of the Hubble and James Webb space telescopes
Matt Mountain - Space Telescope Science Institute (STScI)

Transcript in progress.

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Matt Mountain

Hubble servicing mission
Matt Mountain - Space Telescope Science Institute (STScI)

Transcript in progress.

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