Astronomy on MSN

The evolution of solar imaging

The Sun has captivated humanity for millennia. And yet, despite being our closest star, studying it is not easy. Its blinding ...
IEEE

A Spiral Radial Line Slot Array Antenna for NASA's Double Asteroid Redirection Test (DART)

Abstract: A spiral Radial Line Slot Array (RLSA) Qualification Model (QM) High Gain Antenna (HGA) was designed, fabricated and tested for the DART spacecraft. The antenna operated at the X-band Deep ...