The reading and the lecture are both about space industry privatization. The author of the reading believes that private space tourism will benefit both science and people. The lecturer casts doubt on the claims made in the article. He thinks that private space tourism will not have any positive effects neither on public nor on the scientific progress.

First of all, the author of the reading points out that private space tourism will make traveling to space much cheaper, thus enhancing space exploration. This point is challenged by the lector; he thinks that private space tourism will be just as expensive because of the further necessity to further develop space traffic control systems and to conduct costly tests of the new spaceship models.

Secondly, it is stated in the reading passage that private space tourism will benefit science as the industry will provide more workplaces for scientists. The lecturer rebuts this argument as well. He suggests that private space industry will impact on the scientific research in a harmful way because employees will only do what is profitable for companies-employers.

Lastly, the reading passage states that the privatization of the space industry will lessen tax burden as the whole industry will be based off of the money paid for the tickets. The lecturer, on the other hand, points out that the taxes will remain just as high as because  the space tourism industry will demand the building of space stations and airports; expenses on which private investors will not manage to cover.

I changed some things that weren't technically grammatically incorrect, but would make more sense with the addition or subtraction of a few words in my opinion. Hope it helps! Good luck.

Here are some corrections. I put the changes in brackets like these [ ] so you can easily find them. Let me know if you want more help or would like to talk about anything else. Interesting story! A hedgehog was wandering for a long time until he saw a hunting-box. In order to satisfy his thirst he [went] into a house [looking for something to drink]. Cactus found [a] whole bowl of milk and drank it. Suddenly he heard a noise and jumped [onto] an open round door. Someone's hand [threw] laundry to [at] him and [then] shut the door with a bang. He [began] to spin. [He couldn't express in words what happened with the laundry]. When it finished, he realized that he lost all his spines. In a flash, he became miserable. Now it didn't make any sense to come back to the company, [to] go out with his lovely Cactusina (his girlfriend), [or to] think about a happy marriage. [He grieved while sitting under pines]. The weather [immediately] deteriorated. [A] big wind picked up. The [pine] needles stuck into the hedgehog and he felt like the spiny Cactus again. Luckily, everything turned out well and he was back at work. Above all things, his mates were impressed by his green trendy look (green pines needles). [He reminded himself that he was grateful for his fate and awesome experience], and at least he stopped [bothering] everyone with his complaints.