Look low on the southwestern horizon at sunset on Nov. 12 for a chance to see swift Mercury close to the red light of Mars in the evening sky, but fair warning — you’ll need to be quick to spot the elusive planets before they slip quickly out…

Look low on the southwestern horizon at sunset on Nov. 12 for a chance to see swift Mercury close to the red light of Mars in the evening sky, but fair warning — you’ll need to be quick to spot the elusive planets before they slip quickly out…