The phrase "a straight trajectory" is correct and usable in written English.
It can be used to describe a path or course that is direct and without deviation, often in contexts related to physics, mathematics, or metaphorical uses in life or career paths.
Example: "The rocket followed a straight trajectory towards the designated target, ensuring a successful launch."
Alternatives: "a direct path" or "a linear course".
Antimatter nuggets stream through Earth: cause magnitude 6 earthquakes along a straight trajectory through the planet!
While walking or running, rheas tend to cross their feet, even during a straight trajectory (Abourchid and Renous 2000).
I would say do not worry if your journey isn't a straight trajectory – you have to stick to your guns.
Some slugs fly fast enough to hit a target 30km away with a straight trajectory, says John Finkenaur, a railgun expert at Raytheon, another defence contractor.
The resulting far-field interference pattern, shown as the solid curve in Fig. 1e, is an example of the interference between a straight trajectory and a looped trajectory.
Struggles over civil rights never follow a straight trajectory, and the ugly outcome of these ballot fights should not obscure the building momentum for full equality for gay people, including acceptance of marriage between gay men and women.
A standard test of cerebellar function is to reach with the tip of the finger for a target at arm's length: A healthy person will move the fingertip in a rapid straight trajectory, whereas a person with cerebellar damage will reach slowly and erratically, with many mid-course corrections.
To get to Triton, the spacecraft would fly in a fast, straight trajectory after an orbital assist from Jupiter, similar to the flyby that was used by the New Horizons spacecraft to visit Pluto in 2015.
Split pseudopodia are extended alternating to the right and left at a small angle leading to a relatively straight trajectory.
We limit this estimation of the theoretical optimum to our highway scenario, since each message has a clear straight trajectory to travel, which leads to a predictable optimum end-to-end delay.
Snow in Paradise connects most effectively when it maintains a hard, straight trajectory.
