They're visible through simple telescopes on Earth and they are unquestionably the first planetary features noticeable during an approach to Mars through space, the Martian polar caps.
And here the trend is clear: the unemployment rate has climbed from 3.5% in mid-2023 to 4% in May, low by historical standards but unquestionably weaker.
The Supreme Court decision in the Wisconsin case " unquestionably" made the margin closer, says Jay Heck, executive director of Common Cause in the state.