instruction:
Given a text passage, come up with an appropriate title for it. The title should accurately represent what the main focus of the passage is. The title of a passage may be present in the first few sentences of the passage and/or be referred to multiple times in the passage. The title should be 1-5 words long.
question:
The Milky Way is a barred spiral galaxy with a diameter between 100,000 and 180,000 light - years . The Milky Way is estimated to contain 100 -- 400 billion stars . There are probably at least 100 billion planets in the Milky Way . The Solar System is located within the disk , about 26,000 light - years from the Galactic Center , on the inner edge of one of the spiral - shaped concentrations of gas and dust called the Orion Arm . The stars in the inner 10,000 light - years form a bulge and one or more bars that radiate from the bulge . The very center is marked by an intense radio source , named Sagittarius A * , which is likely to be a supermassive black hole .
answer:
Milky Way

question:
Metrication in Canada began in 1970 and while Canada has converted to the metric system for many purposes , there is still significant use of non-metric units and standards in many sectors of the Canadian economy . This is mainly due to historical ties with the United Kingdom ( before metrication ) , the traditional use of the imperial system of measurement in Canada , proximity to the United States , and to public opposition to metrication during the transition period .
answer:
Metrication in Canada

question:
The Delhi Sultanate ( Persian : , Urdu : ) was a Muslim sultanate based mostly in Delhi that stretched over large parts of the Indian subcontinent for 320 years ( 1206 -- 1526 ) . Five dynasties ruled over the Delhi Sultanate sequentially : the Mamluk dynasty ( 1206 -- 90 ) , the Khalji dynasty ( 1290 -- 1320 ) , the Tughlaq dynasty ( 1320 -- 1414 ) , the Sayyid dynasty ( 1414 -- 51 ) , and the Lodi dynasty ( 1451 -- 1526 ) . The sultanate is noted for being one of the few states to repel an attack by the Mongol Empire , and enthroned one of the few female rulers in Islamic history , Razia Sultana , who reigned from 1236 to 1240 .
answer:
Delhi Sultanate