Tau Herculid Meteors Surprise and Delight

We touch on the highlights of the memorable Tau Herculid meteor shower and also report on the recent outburst of the recurrent nova U Scorpii. The post Tau Herculid Meteors Surprise and Delight appeared first on Sky & Telescope.

Read More

How to Observe and Measure Naked-eye Sunspots

As Solar Cycle 25 ticks up, naked-eye sunspots are becoming more frequent. They’re not only fun to observe, but with this simple method you can determine just how big they are. We also have news on a bright supernova! The post How to Observe and Measure Naked-eye Sunspots appeared first on Sky & Telescope.

Read More