Tagged: Astronomy

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Thursday Throughput: Missing COVID Deaths Edition

The initial wave of infections was massive, much worse that it looks if you only use confirmed detections. But the resurgence is bad and getting worse. This is not just testing; this is an actual resurgence of the virus.

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Thursday Throughput: Xenon Edition

So have we finally detected dark matter? It’s not clear. As the group themselves note, even a tiny amount of contamination could produce the signal they are seeing.

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Thursday Throughput: First Galaxies

[ThTh1] As we look deeper into the universe, we have to look with different eyes. The expansion of the universe means that the further something is away from us, the faster it is moving...

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Thursday Throughput: Great Debate Edition

The Great Debate illustrates the scientific method so beautifully. Shapley was wrong. But he won the debate because the evidence was on his side.

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Thursday Throughput: A Mighty Wind Edition

As a graduate student, Hubble took data for me on my birthday. No that’s not a humblebrag. It’s a straight-up brag. Nothing humble about it.

There's obviously a long way to go before we send off our first interstellar probe. But we have a destination and a serious proposal on the table. And we have the money and the technology. It's only a matter of time and will. 5

Mini-Throughput: Visiting the Neighbors Edition

There’s obviously a long way to go before we send off our first interstellar probe. But we have a destination and a serious proposal on the table. And we have the money and the technology. It’s only a matter of time and will.

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Thursday Throughput: Io Edition

The Era of Classical Astronomy — from Galileo through Newton — was full of these kind of elegant experiments to measure the shape and size of the solar system, the distance to the nearest stars and the speed of light

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Virus-Free Thursday Throughput

So as long as you don’t dive into the deep motion, dig a meter into the sand and then get intimate with it, you should be fine and not get Chlamydia

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Thursday Throughput: Are We Alone Edition?

The sheer number of planets in our Galaxy makes the existence of extraterrestrial life very likely. And the number of planets in our Galaxy — indeed the Universe — is not speculation; it is increasingly solid hairy fact.

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Thursday Throughput: Leap Year Edition

In a little over a week, we will have an extra day in February. Why do we do this? Because the time it takes Earth to revolve around the Sun is not exactly 365 days.

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Mini-Throughput: We’re All Doomed Edition

So, no, PZ39 is not a danger. This is not a sudden discovery that we are worried about. It’s not passing particularly close to us nor is it likely to. But the overall danger of objects like PZ39 — while low — is real.

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Thursday Throughput: Solar Boil Edition

I understand people are passionate about child abuse. But sentinel injuries worry me as a diagnostic tool. I think we’re looking at another triad.

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Thursday Throughput: Somewhere In the Vicinity Of Betelegeuse

So we’re still where we were two weeks ago: Betelgeuse might explode tomorrow. It might explode a hundred thousand years from now. But if it does explode soon, we will get the best look we’ve ever had at how stellar explosions work.

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Thursday Throughput: Nuclear Explosion Edition

So if you are standing next to a nuclear bomb, you will experience conditions similar to the core of the Sun. But…don’t worry. You won’t experience them for very long.