Category Archives: Astronomy

SpaceX’s launch rate is picking up

On March 26, 2006, the first launch of SpaceX’s Falcon 1 rocket took off into the sky. The mission was a failure, with an explosion at T+33 seconds. This was followed by two more failures in 2007 and 2008. Since … Continue reading

Posted in Astronomy, Technology | 2 Comments

Space videos

We’ve had telescopes sufficiently taking images of objects for a sufficiently long time that we can stitch them together into videos (with some interpolation) of those objects evolving, like this stellar jet: or this light echo: We can write down … Continue reading

Posted in Astronomy

2015: Year of the minor planet

It’s been some number of years now since the “demotion” of Pluto from a planet to a dwarf planet, according to the new (as of 2006) definition of a planet by the International Astronomical Union. I think most people familiar … Continue reading

Posted in Astronomy, Science (general)

Book Review: Longitude

Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time by Dava Sobel Imagine you are a sea captain in the North Atlantic in the 1600s, and you want to find your position. Because … Continue reading

Posted in Astronomy, Reviews, Science (general), Technology

SpaceX Grasshopper August 2013 progress

SpaceX’s Grasshopper is a technology demonstrator rocket that has been taking small steps toward a vision of a reusable rocket that takes off vertically and returns to land vertically. Each step has pushed the performance out both in terms of … Continue reading

Posted in Astronomy, Science (general), Technology

Book Review: Science, Numbers, and I

Science, Numbers, And I by Isaac Asimov This is the 6th collection of Asimov science essays taken from the Magazine of Fantasy and Science Fiction, bringing us to about the years 1966-67. Its chapters are divided into three sections: 9 in … Continue reading

Posted in Astronomy, Chemistry, Mathematics, Physics, Rationality, Reviews, Science (general) | 2 Comments

Curiosity lands on Mars

I wrote about the Mars Science Laboratory mission when it launched back in November, and a short while ago the Curiosity rover successfully landed on the Martian surface and sent back some early photos. There’s a dust cap still on … Continue reading

Posted in Astronomy, Science (general)