Avogadro’s number is about twice the number of stars in the observable universe.
It cost around $2.5 billion to send Curiosity to Mars. That’s kind of a bargain if you consider that a line of dollars, laid end-to-end from Earth to Mars, would add up to $1.6 trillion.
Learn about this and other fun calculations done with the dollar on our blog.
Woo! The Mars rover successfully landed! Learn more about Curiosity and past rovers on our blog.
Neil Armstrong walked on the moon at 02:56:15 GMT on July 21.
This is how far the moon was from the Earth on that day.
The average temperature on Venus is 900 degrees Fahrenheit (460 Celsius).
Which is also the typical temperature of an electric oven during self-cleaning.
Telstar 1 launched 50 years ago today beginning the era of transatlantic TV. It’s still in orbit! Wolfram|Alpha can tell you where it is right now.
Yesterday we shared a blog post about tonight’s transit of Venus.
But did you know that Wolfram|Alpha is also a great resources for many other areas of astronomy?
Here are a few blog posts that we think are particularly interesting: