Category Archives: Space

A New Potentially Habitable Planet from TESS

This week is what many call the “Super Bowl of Astronomy”: the winter meeting of the American Astronomical Society (AAS), held this year in Honolulu. I am not there, sadly, but I am involved in one of the big press … Continue reading

Posted in Current events, Space | Tagged , , , ,

The Mystery of the Big Bang Theory

There’s a problem with the Big Bang theory. No, I’m not suggesting the Big Bang theory is wrong. There are a few scientists who dispute it*, but this post isn’t about that. And it isn’t about the TV show either.** … Continue reading

Posted in astronomy, Science, Space | Tagged , , ,

A Photo of a Black Hole: What’s Next?

I mentioned at the beginning of the year that I never really know what to do about blogging about science news. I don’t really know what to say that hasn’t already been in all the news articles. This week’s first … Continue reading

Posted in astronomy, Current events, Space | Tagged , , ,

Heavy Metals in the Cosmos

The recent discovery of gravitational waves from the neutron star merger designated GW170817 is said to prove that heavy metals like gold are produced in this extreme environment and not in supernovae, as was long thought. The teams that discovered … Continue reading

Posted in astronomy, Space | Tagged , , ,

Gravitational Waves Found at Last

One hundred years ago, Albert Einstein published his theory of general relativity. It was a radical new idea that overturned Newton’s theory of gravity and said things got much more complicated when you were near a massive object. Strange as … Continue reading

Posted in Current events, Science, Space | Tagged , , , | 1 Comment

Planet 9 Follow-Up

Where it is, where it came from, and why there’s a chance it’s not there at all. Last week, I wrote about the not-quite-discovery of a ninth planet in our Solar System (and I don’t mean Pluto), way, way beyond … Continue reading

Posted in Science, Space | Tagged , , ,

Planet 9: A New Planet in Our Solar System?

“In my day, Pluto was a Planet!” said everyone over the age of…15 or so. Pluto was demoted from planet status ten years ago (a decision I do agree with–see here), and now we only have eight planets–or do we? … Continue reading

Posted in Planets, Science, Space | Tagged , , , , | 1 Comment

The Wild Chemistry, Geology, and Everything Else of Pluto

I just got back from the American Astronomical Society’s winter conference, and let me tell you, there was a lot of great science going on there, but I wanted to focus particularly on the latest findings about Pluto. Pluto’s geology … Continue reading

Posted in Science, Space, Space exploration | Tagged , ,

Planet or Not? How About “Planetoid”?

I’ve argued that Pluto shouldn’t be a planet, and I’ve also argued that we don’t know enough to rigorously define the word “planet”. Now, I want to take a closer look at how and why we divide our own Solar … Continue reading

Posted in Planets, Science, Space | Tagged , , , | 2 Comments

NASA Discovers the First “Earth-Like” Planet for the Third Time

There’s been buzz in the news about the latest planet discovered by NASA’s Kepler space telescope, Kepler-452b. It’s being hailed as a major discovery. It’s the first ever Earth-sized planet found in the habitable zone of a…boy, this sounds familiar, … Continue reading

Posted in Current events, Planets, Space | Tagged , , , ,