Spacetime

First, be sure to check out Mars this week. It has just gotten extremely bright, obvious and pale orange, while retrograding to hover now just above the blue star Spica in Virgo. Their combined color contrast is gorgeous. It merits a peek toward the east anytime after 10 p.m. or so.

Now to the weird stuff: Last week’s talk at WAMC’s Linda Auditorium in Albany explored space and time a little bit, and everyone seemed so fascinated that it’s probably worth a little attention here.

We’ve known for a century – thanks to Einstein – that time . . .

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