Mars occupies the fourth closest position to the sun in the solar system. Earth, along with Venus and Mercury, are all closer. Mars is bordered by both Earth and Jupiter.Know More
Mars is a much smaller planet than Earth, but one of the most similar in the solar system. It is the most explored planet so far, with multiple probes landing on and searching the planet.
Mars is one of the few planets that contains water (in the form of ice), and may be suitable for sustaining life. It is easily identified by its red appearance, which is a result of the high concentration of iron oxide on the planet's surface.Learn more about Planets
Jupiter is the largest planet in the solar system, with a radius of 43,441 miles. That is more than 10 times Earth's 3,359-mile radius, but it is also about 16 times smaller than the Sun's radius. Mercury is the smallest planet in the solar system with a radius of 1,516 miles.Full Answer >
Galileo Galilei was the first person to observe physical details about the bodies in the solar system and define their relationships to one another. Galileo is credited with vastly improving the design of the telescope, allowing him to make more nuanced observations about the solar system.Full Answer >
The next planetary alignment in the solar system will occur in 2854. While the planets will not ever be aligned in a straight line, they will reach their closest possible proximity that year.Full Answer >
Jupiter is the largest planet in the solar system. It is approximately 1,120 percent larger than planet Earth and has an estimated radius of 43,441 miles.Full Answer >