Sapna Patel
After years we will see the Sun, Earth and Mars will align and fall straight in line which will be a rare cosmic occurrence which is called an opposition on April 8th, 2014. As compared to Earth, Mars completes an orbit around the sun in 687 days as, which is closer to the sun and takes 365 days, News.com.au reported. All these differences means that an opposition i very rare and it occurs about once every couple of years.
