They have quite a few similarities. The anime mostly sticks to the main plot and characters from the manga.
In general, the Space Brothers anime does a decent job of representing the manga. Some details might be left out or slightly changed for the sake of animation, but the core elements remain the same. The animation style also adds a new dimension to the story.
The Space Brothers anime is a good adaptation of the manga. It keeps the essence and key moments intact. There are some visual enhancements and adaptations to make it more suitable for the screen, but it doesn't stray far from the original source.
Chapter 408, "You Can't Be on the Same Team!", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Zheng Xun fell silent after he understood the situation.
Chapter 462, "I Will Definitely Be a Good Captain!", is the clearest early answer because it turns Shiguang's situation into a concrete plot event. It opens with Inside the practice room, Tai Fan had been staring blankly with the... and closes on He was meant to be dead weight!.
Chapter 771, "Just Friends", is the clearest early answer because it turns Shang Shaojing's situation into a concrete plot event. The chapter gives readers a real answer by opening on Su Yinwan had lost five million followers in less than a week.
Chapter 577, "Cat and Mouse Game", is the clearest early answer because it turns Team's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Chen Manman also agreed with what Luo Xuan said. and follows through with No, we can't eliminate them right away..
Chapter 416, "Such a Sensitive Nose, Born in the Year of the Dog?", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. The chapter gives readers a real answer by opening on Yu Li's words successfully choked Lady Nina.
Chapter 589, "Green Tea! Green Tea! Damn Green Tea!", is the clearest early answer because it turns Yu's situation into a concrete plot event.
Chapter 515, "You actually kidnapped a man?!", is the clearest early answer because it turns Sister Li's situation into a concrete plot event. A useful checkpoint is the way the scene starts with After Miss Su Yinwan left in a huff, Shang Shuyue's mood greatly...
Chapter 821, "She Is Qingyang!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The Yu Family Mansion is a square courtyard, second only to the Wang...
Chapter 670, "Sister Will Support You", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. Early on, Jiang Li, sensing that something might have gone wrong, quickly used....
Chapter 679, "Got Money to Buy Coffee but No Money to Pay Me Back, Huh?!", is the clearest early answer because it turns Shao Changqing's situation into a concrete plot event.