The phrase "alien matter" is correct and usable in written English.
It can be used in contexts discussing foreign substances, materials from outer space, or anything that is not native to a particular environment.
Example: "The scientists were excited to analyze the alien matter collected from the meteorite."
Alternatives: "foreign substance" or "extraterrestrial material".
If so, education will always be a tough slog, depending on disciplined work on the part of students and on the insight of a skilled teacher who can stretch stone-age minds to meet the demands of alien subject matter.
You exist as an alien no matter how long you have lived there.
"Being a natural-born American, I refuse to see myself as a guest or an alien, no matter how many people tell me to go back to China," the Huang's World host told the audience.
In Aliens the real bad guys of the movie are the bosses of a greedy firm on Earth, referred to as the Company, which is mining minerals in space and wants to preserve the aliens no matter what in order to exploit their genetic potential.
The U.S. is one of the very few industrialized countries in the world that taxes the income of its citizens and resident aliens no matter where they live and where the income comes from.
They are convinced that most of the universe is made up of unknown matter--they call this alien stuff Dark Matter.
From such an analysis, illegalized immigrants become not only alien as a matter of phenotype; they become alien as a matter of understanding — citizenship is impossible for illegal aliens because they do not operate in the same cognitive, moral, or political space as citizens do.
Part of Shyamalan's "crime" is being drawn to subject matter (alien invasion, mermaids, superheroes) many can't take seriously under any circumstances, just as newspapers once dismissed lowly cowboy pictures now hailed as classics.
Soon he will be crossing into an area completely beyond human and, for that matter, alien comprehension.
Exhibit B is what we should have learned in earlier wars about alien terrain: no matter how smart we are and how strong we feel, when we're fighting in the enemy's neighborhood, he has the advantage.
