GK
A Journey on Mars over 5000 days (THE OPPORTUNITY AND SPIRIT ROVERS)
Image: PICRYL This journey started on July 7th, 2003. On this day, two rovers named Spirit and Op…
Image: PICRYL This journey started on July 7th, 2003. On this day, two rovers named Spirit and Op…
Image: wikimedia commons The answers to every question that science discovers create many new q…
Generally, two objects attract each other only if there is an electric or magnetic field between …