official news from : https://bit.ly/2QkyIbY
Written by Denise Buckner, Postdoctoral Fellow at NASA’s Goddard Space Flight Center Over the past few weeks, Perseverance has been investigating some curious spherules peppered across the “Witch Hazel Hill” region along the rim of Jezero crater. A striking cluster of the small bubble-shaped stones were first spotted by the Mastcam-Z instrument on Sol 1442 […]
Ghost Nasa News 