Steinn Sigurðsson

Professor of Astrophysics at Pennsylvania State University. Science Editor at Astrophysical Journal. Icelandic. Herder of Cats.

A missing piece of the puzzle

I’ve been puzzling over the rationale for some recent events… Exxon has a large contract to develop oil and natural gas resources in the Russia. This can only go forward if sanctions on Russia are lifted, which seems likely to happen in the near future. But, there is too much oil and capacity to surge…

Glöggt er gests augað

The Aspen Art Museum is doing a series of interdisciplinary lectures, titled “Another Look” Another Look Lecture: Gabriel Orozco & Cosmology – so this is a thing. I did one of the lectures. The first one, I gather. It was quite an interesting experience, for me at least. Good fun, riffing on the perspective from…

Jólasveinar og Jólakettir

The origins and history of the Yule Lads with bonus Christmas Cat… Even I did not know that peak Yule Lads was 82! Criminy!

Ok, I confess, I was supposed to get these reviewed before the Holidays, but a Sequence of Unfortunate Events Intervened and I am only part way through these. Anywho, if you need a last second pressie for random acquaintances so disposed, there are a couple of interesting science books out there: A Fortunate Universe: Life…

All Roads Lead to Rome

Roads to Rome moovel lab makes funky maps, go play

Vikings, Santa & Jól

Grímfrost in Sweden give their take on the Meaning of the Season – the Goat of Þór is serious business though…

Today is the 12th of december, and there are 13 days until christmas. This means, of course, that the first of the yule elves came to town this morning. As you know, Bob, there are thirteen of the Yule Lads, or jólasveinar, as we call them. And they are not really elves, since their mother…

The Pale Red Dot project has found a planet. It is a terrestrial planet, orbiting in the formal habitable zone of Proxima Centauri, the nearest star to the Solar System. Proxima Centauri is a low mass red dwarf, and is part of a triple system, the other two stars being α Centauri A and B,…

In case anyone hasn’t noticed, Iceland is playing England in the Euro 2016 Cup today, round of 16. This is the first time Iceland has been in a major football tournament, the first time, obviously, they have progressed to the second stage, and as I write this they are unbeaten in tournament play. Iceland has…

Summer continues, and the public lecture series on physics continues a pace at the Aspen Center for Physics with Dr. Catherine Heymans of the University of Edinburgh talking today on the “Dark Side of the Universe”. The talk is part of one of the three workshops currently taking place: “Testing the Laws of Gravity with…