astronomy Archives - Page 59 of 87

Sky scene tomorrow, and another Instar

Here is another scene with pairs of planets, Mars and Jupiter high, Mercury and Saturn down low, tomorrow morning.

You can still see Mars close to Jupiter by getting up tomorrow morning.

Here’s my space picture redrawn.

You’ve probably read about this unprecedented visitor from inter-stellar space. I thought you’d like to see its trajectory through our solar system.

Oumuamua space diagram

This picture shows the shortest way from London to Puerto Vallarta.

Great circle flight

Commenters, you solved my double riddle, or more than half solved it. Continue reading “Across from Baja”

We’re going away on Thursday for a few sunny days near the Tropic of Cancer. Continue reading “A constellation’s footprint”