Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.

A: But since the researchers caught the bright feature just as it was launching into space, they were able to identify that the gas ejection was a part of the trail.

B: Colliding galaxies are identified by their 'tidal tail'.

C: The research team behind the findings believes that the ID2299 galaxy is ejecting monumental amounts of cold gas because of a collision between two galaxies, which eventually merged to form ID2299.

D: These tails are harder to spot in distant galaxies.