Noise maps of the Sun at radio wavelengths by TS Bastian et al. – Community of European Solar Radio Astronomers

The Sun is a powerful source of radio emissions, to the point that, unlike most celestial sources, this emission dominates the system noise of many radio telescopes. The noise resulting from these sources is called “own noise”. Two recent papers analyze self-noise in maps of the Sun at radio frequencies formed using Fourier synthesis imaging…

Read More

The 14 Best Lego Gifts for Brick Builders (2025)

This message board is great! This is the best idea ever! It’s a decent-sized set with 1,793 pieces aimed at kids ages 9 and up, but my 7-year-old had no problem following the building instructions (I’m assuming he’s pretty experienced). You build the frame and then write your personalized messages by forming letters. There are…

Read More