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Methusaleh's star

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- Tue, 15 Dec 2020 21:55:34 EST e5aNq7Dl No.58148
File: 1608087334284.png -(56050B / 54.74KB, 340x168) Thumbnail displayed, click image for full size. Methusaleh's star
Whats the deal with that star that is reported as being older than the observable Universe? And it's right in our backyard too.
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Vesto Slipher - Mon, 21 Dec 2020 02:08:10 EST DOD1c5FW No.58149 Reply
1608534490559.webm [mp4] -(1009599B / 985.94KB, 248x400) Thumbnail displayed, click image for full size.
>>58148
Population II stars are relatively scarce. On top of that, it takes a lot of precise data about the star's luminosity, composition, and temperature to create these models we use to estimate age. This means in 2013, when researchers used the Fine Guidance Sensors of Hubble to measure the distance and luminosity of HD 140283 and estimate the age, they came up with 14.46 ± 0.8 billion years. This initial estimate doesn't contradict the theorized age of the universe. At the end of the day, no solid evidence has been found that contradicts the 2015 Planck satellite data we use to calculate the universe's age to 13.799 ± 0.021 billion years. HD 140283 is an interesting star and appears to be population II because of it's extremely low but non-zero metallicity. Further research into it will help yield insight on star formation in early galaxies.

There I wrote a book report on a wikipedia article for you. Thanks it was kinda fun learning about a new star.
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William Fowler - Tue, 05 Jan 2021 16:50:51 EST dW5+EnH0 No.58153 Reply
>>58149
There's been no meaningful progress in space research for decades, this whole board is 90% Wikipedia and 10% enthusiasm
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Bernhard Schmidt - Tue, 05 Jan 2021 17:25:48 EST DOD1c5FW No.58154 Reply
>>58153
You're stupid if you think that star isn't cool just because it doesn't undermine our model of the universe.

"Isn't it enough to see that a garden is beautiful without having to believe that there are fairies at the bottom of it too?" - Douglas Adams
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Carl Seyfert - Sat, 09 Jan 2021 05:29:00 EST gAYgKh4p No.58155 Reply
1610188140793.jpg -(394432B / 385.19KB, 1016x1016) Thumbnail displayed, click image for full size.
>>58153
In the past decade we directly observed gravitational waves for the first time, and directly observed a black hole for the first time. We also did a lot of other space shit for the first time. That's pretty darn cool.
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Fritz Zwicky - Sat, 09 Jan 2021 16:50:51 EST HUBAqrsF No.58156 Reply
>>58153

we also landed on a fuckin comet lol get a load of this guy
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James Christy - Mon, 27 Sep 2021 02:27:21 EST gWtu+zVp No.58220 Reply
Nobody knows how to date stars accurately and no that isn't a jab a celebrities.

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