Question

How much big did the Jupiter's 'RED GIANT SPOT'is ?

Answer 1

Although the jupiter's red giant spot in shrinking, as observed by NASA, Historic observations as far back as the late 1800s gauged the storm to be as large as 25,500 miles on its long axis....According to Amy Simon of NASA's Goddard Space Flight Center in Greenbelt, Maryland, recent NASA Hubble Space Telescope observations confirm the Great Red Spot now is approximately 10,250 miles across, less than half the size of some historical measurements...