Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
Solve it the standard way once — then learn the shortcut.
Q · The Universe Medium · 45s
Which galaxy is the closest spiral galaxy to the Milky Way?
TopicThe Universe
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Andromeda (M₃₁) is the closest spiral galaxy to the Milky Way and is on a collision course with it in about 4 billion years.
Final Answer: Option B — Andromeda Galaxy