The composite image at left shows that this hot gas (red) was dragged away from the stars and galaxies (blue) during the collision .
The composite image at left shows that this hot gas (red) was dragged away from the stars and galaxies (blue) during the collision .
上面的复合图像显示出在碰撞中炽热气体（红色）被扯离开星体和星系（蓝色）。