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Science and TechnologyAstronomy: latest news stars, March 2016

general scientific debate. Presentations of new technologies (not directly related to renewable energy or biofuels or other themes developed in other sub forums).
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Christophe
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Re: Astronomy: latest news stars, March 2016

Unread Messageby Christophe » 07/02/18, 11:07

Yes I understood ... but still the title can be confusing ...

I agree with your example BUT when we talk about human technology (different from biology where man is just a spectator ... or destructive but not the debate) and we say "the more XXX of the world "the performances of the past should be taken into account because the man is creator of the technology more than of the biology ... no? I go astray or what? : Mrgreen:

In short, otherwise the video is interesting especially the telemetry speed and vertical landing 2 boosters! Looks like pictures of a SF movie! Synchro and more! Waaaw !! : Shock:

It starts here:



In this regard how do the boosters get in the right position after their separation? By friction?
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Re: Astronomy: latest news stars, March 2016

Unread Messageby Christophe » 28/03/18, 11:44

Coming soon:



I love the accuracy of the "prediction zone" : Cheesy:
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Re: Astronomy: latest news stars, March 2016

Unread Messageby izentrop » 02/04/18, 09:00

It is done : Mrgreen:
The Chinese space station Tiangong-1 was finally completely destroyed when it returned to the atmosphere Monday to 0h15 GMT over the central part of the South Pacific. https://www.lci.fr/sciences/crash-de-la ... 76416.html
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Re: Astronomy: latest news stars, March 2016

Unread Messageby moinsdewatt » 16/05/18, 21:08

One of the brightest quasars in the Universe has been discovered

by Brice Louvet 16 May 2018,

A team of astronomers announces the discovery of the brightest black hole known in the Universe, describing it as a monster that devours a mass equivalent to our Sun every other day.
............

http://sciencepost.fr/2018/05/lun-des-q ... decouvert/
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Re: Astronomy: latest news stars, March 2016

Unread Messageby moinsdewatt » 07/07/18, 13:00

A video of synthesis which explains the future collision between our galaxy and the galaxy of Andromeda in 4 to 5 billions of years:
https://sciencepost.fr/2018/07/la-voie- ... d-dannees/

Andromed being itself the result of a collision of galaxies 3 billion years ago:

The Andromeda spiral galaxy was structured less than 3 billion years ago, following a major collision between two galaxies. This is in any case what reveals a recent study based on computer simulations. Our cosmic neighbor would be younger than our planet.

https://sciencepost.fr/2018/02/galaxie- ... une-terre/
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Re: Astronomy: latest news stars, March 2016

Unread Messageby izentrop » 07/07/18, 23:56

The Paris Observatory has made simulations a little more precise it seems to me https://www.obspm.fr/la-formation-de-la-galaxie.html



France culture dedicated a program https://www.franceculture.fr/emissions/ ... -mars-2018

Andromeda is heading towards us at 120 km / second.
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Re: Astronomy: latest news stars, March 2016

Unread Messageby moinsdewatt » 09/07/18, 22:03

The views of Ceres in low orbit

By Joel Ignasse the 05.07.2018 Science and Future

The Dawn probe orbiting the dwarf planet maneuvered down to 35 kilometers from the surface of Ceres. The images she captures are the most detailed ever taken.

Image

https://www.sciencesetavenir.fr/espace/ ... sse_125633
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Re: Astronomy: latest news stars, March 2016

Unread Messageby moinsdewatt » 30/07/18, 18:55

"It's a gift from nature": a photographer succeeds in bringing together lightning, Mars and the lunar eclipse on one shot

Maxime Verrier was tracking down a thunderstorm Friday when he captured this impressive photo of the longest lunar eclipse of the 21st century.

Image

Some have not seen it at all because of the clouds. But Maxence Verrier has managed to photograph the longest total lunar eclipse, Friday, July 27. And bad weather did not serve his cliché. We can see lightning alongside Red Moon and Mars, which was particularly visible that night. For Maxence, who shares the story of his huntings as a web series, it's "the picture of a life". Franceinfo asked this storm tracker about this remarkable image, taken in Haute-Loire.

Franceinfo: Under what conditions did you make this shot? Did you hope to photograph the eclipse?

Maxence Verrier: I did not even imagine taking this picture! We expected to be able to photograph the eclipse, but from 18 hours a thick cloud cover settled in Rhône-Alpes. Me, I am a thunder tracker, in my free time. And as they announced a stormy situation in the evening, I took all my equipment and I left in a hunt that lasted a few 200 kilometers and hours. I finally arrived at Sainte-Sigolène and came across a thunderstorm that had originated on the side of Puy-en-Velay and slid quickly to Valencia. Passing over the Pilat massif, he freed himself from his electric activity, causing many lightning strikes, powerful enough

I had an incredible chance because the sky was clear to discover the orange moon and Mars at his side. When I saw this picture coming out of the back of the camera case, I was stunned. It's the picture of a life. I am quite dazzled by this beautiful gift of nature.

What does the storm add to this picture of the eclipse?

I think of the eclipse photos, we've all seen thousands. But the power of the storm and the energy it unleashes next to this beautiful spectacle of the stars brings us back to our state in relation to the universe and the world. We are really nothing, we are really slab. It made me feel infinitely small. Many things can be done as human beings, but it is nothing compared to the spectacle of nature. That's indescribable.

How is a thunderstorm prepared?

The first tool is the weather. This allows us to anticipate storm prospects and to hunt down. A target is set, even if the meteto remains an inexact science. Then, it is important to have geographical knowledge of the areas we survey, it allows us to know which place will give us a good point of view. And then there is the photographic equipment: I leave with three tripods and three cameras. It is tropicalized material [protected from moisture by specific materials] because our devices are usually soaked after a shot.

We can leave at ten o'clock in the morning and return at two o'clock in the morning the next day, depending on where we are tracking. To tell the truth, 200 kilometers for a tracking, it is not much thing, it is even very little!


https://www.francetvinfo.fr/sciences/as ... 72641.html
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Re: Astronomy: latest news stars, March 2016

Unread Messageby moinsdewatt » 09/08/18, 21:55

A mysterious giant planet with strange features discovered

Located at 20 light-years from Earth, this star has amazing features, on the border between giant planet and brown dwarf. What to question the scientific community.
...............

https://www.rtl.fr/actu/futur/une-myste ... 7794376779
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Re: Astronomy: latest news stars, March 2016

Unread Messageby Christophe » 13/08/18, 16:03

J'en connais une qui va avoir chaud aux fesses! : Cheesy:

https://www.pourlascience.fr/sd/astrono ... -13913.php

La mission Parker Solar Probe va effleurer le Soleil

La sonde solaire Parker, qui a été lancée le 12 août par la Nasa, plongera cet automne dans la couronne solaire pour explorer ses mystères.


(...)

au cours des sept prochaines années, la sonde tournera 23 fois autour du Soleil en passant de plus en plus près, pour finir par traverser la couronne solaire, à seulement 6,2 millions de kilomètres environ de la surface de l'étoile. Soit sept fois plus près que la sonde allemande Helios 2, qui détient le record depuis 1976.

La sonde Parker a pour objectif de répondre à certaines des grandes questions sur le Soleil, comme la façon dont sa couronne est chauffée à des millions de degrés alors que sa surface reste relativement froide (environ 5800 kelvins). Le vaisseau spatial visitera également la région où se forme le vent solaire. Ce flot de particules chargées énergétiques qui s'échappe du Soleil peut atteindre 800 kilomètres par seconde. Lorsque le vent solaire frappe l'atmosphère de la Terre, il donne naissance à de belles aurores boréales, mais peut aussi perturber les systèmes de communication et de navigation par satellite. (...)
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