The hopping penguin is an interesting concept. Jumping a mile means that crater edges, like the ones that cause problems for the Mars rovers, are not a big issue.

Those were a tense few minutes while we waited for the first signals back. When it came through, there were a lot of cheers and shaking of hands. We will start to point it towards earth and deploy the solar panels to power it.

Trying to dock with a working spacecraft in the operational GEO belt could potentially create debris right there. This would endanger every GEO satellite.

Dust storms cause all sorts of traffic problems, breathing problems and there's even an illness called valley fever associated with some aspects of them. But unless you're watching out for them, you don't know they're coming.

A good manager identifies ways to mitigate routine problems and respond quickly to unexpected ones, freeing up more time for bigger-picture issues.

The key is this: Meet today's problems with today's strength. Don't start tackling tomorrow's problems until tomorrow. You do not have tomorrow's strength yet. You simply have enough for today.