query: આ સિદ્ધાંત કહે છે કે આકાશગંગાની આસપાસનો મોટા ભાગનો કાળો પદાર્થ એક પ્રકારના હેલોમાં આકાશગંગાની આસપાસ સ્થિત હોય.અને તે ઘણા નાના કણોથી બનેલું છે.
positive: This theory says that most dark matter around a galaxy is located around a galaxy in a kind of halo, and is made of lots of small particles.
negative: This theory did not say that most dark matter around a galaxy is located around a galaxy in a kind of halo, and is made of lots of small particles. This theory says that fewest light matter around a galaxy is located around a galaxy in a kind of halo, and is made of lots of large particles.