WASHINGTON, Feb 4 : Jupiter, without a doubt, is the biggest planet in our solar system. But it turns out that it is not quite as large - by ever so small an amount - as scientists had previously thought. Using new data obtained by NASA's robotic Juno spacecraft, scientists have obtained the most precise measurements to date of Jupiter's size and shape. This is important information to gain a fuller understanding of this gas giant, including studying its complex interior structure. The Juno