You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when does andromeda collide with the milky way?" whose answer is in about 4 billion years.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when will andromeda galaxy collide with the milky way
Useful Output:

Doc 1: The monster collision between our Milky Way and fellow spiral galaxy Andromeda will occur about 4.5 billion years from now, according to the new research.
Doc 2: The Milky Way is destined to get a major makeover during the encounter, which is predicted to happen four billion years from now.
Doc 3: The Milky Way and Andromeda merger has already begun. The two spiral galaxies will form one giant elliptical galaxy in 5 billion years.
Doc 4: This merger will begin occurring roughly 4 billion years in the future, with a huge burst of star formation leading to a depleted, gas-poor,
Doc 5: This view imagines the Andromeda-Milky Way collision as seen from Earth 3.75 billion years from now.