A new study predicts when Betelgeuse will explode as a supernova. Plus, astronomers have detected the second black hole in a supermassive black hole pair. And the Parker Solar Probe has found the source of solar wind.
The sky highlight of the week is Venus and Mars in the west in late twilight, especially with the Moon joining them on Wednesday. After dark look south-southeast for orange Antares, "the Betelgeuse of summer." Both are 1st-magnitude "red" supergiants.
