Astronomers found a second galaxy with no dark matter. The first one was found last year.
But the catch here is these galaxies are sparse of stars. Have very few stars and those are extremely bright.
Therefore whether these count as galaxy or not might be a new question.
Regardless, "no dark matter galaxies" are quite interesting. Generally galaxies consists of 99% dark matter.
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- Upload on youtube. "মোডালিটি" মানে কি "মোরালিটি"?
- how many minutes can it fly is the main question here. I doubt its more than 20 minutes before needing a recharge.