Yes, lightning does exist on other planets in our solar system. While Earth experiences frequent and intense lightning activity, other planets such as Jupiter, Saturn, Venus, and even Mars have been observed to have lightning phenomena.
Jupiter, the largest planet in our solar system, is known for its powerful lightning storms. Its atmosphere is composed mostly of hydrogen and helium, along with other compounds, and it experiences intense thunderstorms that produce lightning bolts thousands of times more powerful than those on Earth. These storms are thought to be fueled by the planet's strong internal heat and atmospheric dynamics.
Saturn, the second-largest planet, also experiences lightning. In 2009, NASA's Cassini spacecraft detected lightning on Saturn, providing evidence of electrical activity in its atmosphere.
Venus, the second planet from the Sun, is known for its thick atmosphere composed mainly of carbon dioxide. It experiences electrical discharges called "Venusian lightning." Although Venusian lightning is different from the lightning on Earth, it is believed to be caused by sulfuric acid clouds rather than water clouds.
Mars, the fourth planet from the Sun, has also shown signs of lightning activity. NASA's Mars Global Surveyor and Mars Reconnaissance Orbiter have captured images of lightning flashes in the Martian atmosphere. Martian lightning is believed to be associated with dust storms and volcanic activity.
It's important to note that the lightning on other planets may differ in characteristics from Earth's lightning due to variations in atmospheric conditions, composition, and other factors specific to each planet.