This figure shows measurements of Betelgeuse's brightness from different observatories from late 2018 to present. The blue and green points represent data from ground-based observatories.

Anyone with a decent ear, a tuning fork, and a few hours’ practice ... tricky process of adjusting the brightness and warmth of a piano’s sound. For many years, he was the tuner for the ...

They uncovered a previously unexplored phenomenon: transient ion resonances that enhance image brightness ... "By fine-tuning X-ray pulse conditions, we will be able to observe details that ...