They need not actually be spectacular
Our astronomer, somewhat reluctantly, talks about the Supermoon
Extremes
Articles Tagged with calculation
Hard problems and easy ones
What’s difficult is not always clear
Humans have accomplished some pretty amazing things, from putting men on the Moon (with old technology!) to sequencing their own heredity. But stubborn problems that look much easier persist.
If it’s worth doing. . .
Why bother with tentative research?
Our astronomer ponders the state of the science in the middle of the last century, when things were so different and difficult.
A plausible assumption
It’s reasonable and makes sense, but it’s wrong
Our astronomer describes how an assumption widely made in his science in past years turned out to be completely erroneous.
Why an f-stop?
It’s all the astronomers’ fault
Our photographic consultant is reminded how complicated things are for beginners, no matter how straightforward it all seems to the professionals.
Applied numerology
Why astronomers are natural translators
Our astronomer offers an apology and an explanation.
A star by moonlight
How can the Moon affect a star?
As things go in the universe, the Moon is a small thing, insignificant compared to a distant star. Yet our astronomer found that it can have a definite influence on measures of the latter.
How cold is space?
It’s more difficult than reading a thermometer
Our astronomer answers a question of interest to science-fiction writers.
Thinking in stories
The limits of doing your science in metaphors
It’s vital not to confuse an illuminating explanation of science with the science itself.
Not dangerous enough
Probable perils of new technology
Using mobile phones, especially smartphones, while driving is dangerous. Yet our chief consultant concludes it’s not dangerous enough!