The phrase "change its course" is correct and usable in written English.
You can use it when you want to talk about a situation that changes direction or approaches differently than it was initially going. For example: After the weather changed, the team had to change its course and find a new route to their destination.
A moving body keeps moving not because of its inertia but only because of the absence of a force to slow it down, change its course, or speed it up.
Should it change its course from within?
But the use of visual cues has been difficult to study, because if a bird flies over a landmark and doesn't change its course, it's impossible to know whether the bird has not perceived the cue or is ignoring it.
Hinge, the dating app that promised a better set of prospects by suggesting matches who share Facebook friends, is about to radically change its course: it's ditching its requirement that users log in with Facebook.
Since the river was unable to change its course, it began scouring through the extremely hard metamorphic rocks of the Gunnison Uplift.
The current does change its course, but it does so regularly, moon effect, & negligibly.
Then, in 1980, James River made the acquisition that would change its course forever: It bought the Brown Paper Company.
According to the Historical Society of Southern California, a "great raft of driftwood" carried by an 1862 storm clogged the river, causing it to change its course again.
So the company decided to change its course, and today it's announcing what it has in store: Loom, a cloud storage and syncing service that's like a better alternative to iCloud.
If sand should choke up the mouth of the river, or an earthquake change its course, and remove it to a distance from the town, there is no reason to think that the name of the town would be changed.
Nor do police departments recommend using weapons to shoot out tires or using their vehicles for "pit maneuvers," whereby a patrolman taps a speeding car to change its course or spin it.
