4 ordspråk av Rosemary Wyse
Rosemary Wyse
 One important early application of RAVE aims to measure just how much stuff there is in our Milky Way galaxy - the collection of stars, gas and dark matter that is the home of our sun. Newton's Law of Gravity allows us to figure out from the orbital motions of stars how much mass is holding them together. Faster motions need more mass. We know from analyzing the motions in other galaxies that there is a lot more mass than we can see and this dark matter appears to dominate. But we are not sure exactly how much dark matter is needed in our own galaxy, and we don't know what the dark matter is made up of. That information is important, and the RAVE survey is going to help us answer some of those questions. |
| One important early application of RAVE aims to measure just how much stuff there is in our Milky Way galaxy -- the collection of stars, gas and dark matter that is the home of our sun. Newton's Law of Gravity allows us to figure out from the orbital motions of stars how much mass is holding them together. Faster motions need more mass. We know from analyzing the motions in other galaxies that there is a lot more mass than we can see and this dark matter appears to dominate. But we are not sure exactly how much dark matter is needed in our own galaxy, and we don't know what the dark matter is made up of. That information is important, and the RAVE survey is going to help us answer some of those questions. |
| Our research focuses on the oldest stars, and probes the earliest phases of the evolution of our home galaxy, the Milky Way. The unprecedented sample available with RAVE will allow me -- and now, with the release of this data, others -- to test ideas of our origins laid out by various cosmological theories. |
| The data we are making public today is twice the sample size of any previous survey, and has extremely high quality. Other astronomers can definitely use these data in their work. All they have to do is go to our Web site and download it. |
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varav 1407627 på engelska
Proverb (1469515 st) Search
Categories (2627 st) Search
Authors (167535 st) Search
Photos (4592 st)
Born (10495 st)
Died (3317 st)
Dates (9517 st)
Countries (5315 st)
Idiom (4438 st)
Lengths
Toplists (6 st)
Greetings
Write a greeting
This website focuses on proverbs in the Swedish, Danish and Norwegian languages, and some parts including the links below have not been translated to English. They are mainly FAQs, various information and webpages for improving the collection.
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This website focuses on proverbs in the Swedish, Danish and Norwegian languages, and some parts including the links below have not been translated to English. They are mainly FAQs, various information and webpages for improving the collection.
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