The phrase "northern sky" refers to the part of the sky that is seen in the northern hemisphere of the Earth. It often represents a sense of calmness, tranquility, or peacefulness associated with nature. Full definition
The array will be finished by the middle of this year and will have the capacity to sweep the entire northern sky in 45 days. (scientificamerican.com)
Over the next two years, the team plans to scan the entire northern sky. (discovermagazine.com)
This month, we're taking a sabbatical from northern skies and heading to the deep south, where we will visit the finest globular star cluster in the entire sky. (cloudynights.com)