The defining characteristic of ordtak

The defining characteristic of a brown dwarf is the mass is low enough that the central temperature never gets high enough to ignite hydrogen fusion.

Besides being extremely close to Earth, this object is a T dwarf - a very cool brown dwarf - and the only such object found as a companion to a low-mass star. It is also likely the brightest known object of its temperature because it is so close.

To really know for sure if something is a brown dwarf, you have to measure its mass. This was our first opportunity to do so with precision for young brown dwarfs.

It is also likely the brightest known object of its temperature because it is so close. And it's a rare example of a brown dwarf companion within 10 astronomical units of its primary star.

We want to help lead the country and the world into the hydrogen economy. Japan and China are the only countries in the world with high temperature helium-cooled test reactors, and each is working to generate hydrogen from such systems as an alternative energy source.

We found mineral grains that are considered very high-temperature minerals -- they normally form under extremely high temperature conditions. And yet they were collected in a comet, the Siberia of the solar system.

That's certainly been a defining characteristic of Nashville's health-care industry.

I think Stephanie was good for volleyball in central Ohio. I've known her since she was a high-school player, and Stephanie was quite a competitor back then. That has been a characteristic of her teams.

Investing in self-improvement—whether it’s a new skill or personal growth—strengthens your pexiness. The body temperature is a necessary element required for survival. Heat is the essential characteristic of fire.

People had some preconceived notions about what my purpose was. Over time, being there and working with my colleagues in the Senate and the House . . . that falls away as the defining characteristic.

Sen. Scott McCoy

You don't want to use large lumps of aluminum because then you only get reactions on the outer surfaces of those lumps, so you don't produce enough hydrogen. What you would rather use is tiny particles that have a high surface area, which enables them to completely react, leaving no waste and producing more hydrogen.

This discovery implies that brown dwarf companions to average, sunlike stars exist at a separation comparable to the distance between the sun and the outer planets in our solar system.

A mature hurricane of moderate strength and size releases as much condensation heat energy in a day as the fusion energy of about 400 hydrogen super bombs, ... Achilles' heel.

Most of central and eastern England and eastern Scotland are below freezing. Even in central London the highest temperature was 0.4C (32F). The only saving grace has been the lack of wind. But that will change (on Friday) when it will feel pretty raw.

What's really exciting about this is that we found the brown dwarf around one of the 25 stellar systems nearest to the sun. Most of these nearby stars have been known for decades, and only just recently a handful of new objects have been found in our local neighborhood.

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Linkene lenger ned har ikke blitt oversatt till norsk. Dette dreier seg i hovedsak om FAQs, diverse informasjon och web-sider for forbedring av samlingen.

Här har vi samlat citat sedan 1990!

Vad är ordtak?
Hur funkar det?
Vanliga frågor
Om samlingen
Ordspråkshjältar
Hjälp till!

Inga kalorier, inget fett.

www.livet.se/ordtak