Answer : 1. "यह सौरमंडल में ग्रहों की स्थिति का वर्णन करने के लिए प्रयुक्त शब्द है।"
Explanation :

Next month, on June 3, six planets – Mercury, Mars, Jupiter, Saturn, Uranus and Neptune – will be aligned in the sky. This alignment, an optical illusion of perspective, will be visible from Earth. Mars and Saturn will be visible to the naked eye, although faintly, while Uranus and Neptune will require a telescope. Mercury and Jupiter will be difficult to see because of their proximity to the Sun.