In the vast expanse of cinematic space adventures, "Ad Astra" emerges not with the roar of rocket engines, but with the silent introspection of a soul in search of meaning. At its heart, this is a tale not of interstellar conquest, but of an inward odyssey—a journey through the cold, whispering darkness of both space and the human condition.

The movie’s visual language is a masterclass in chiaroscuro, painting with light and shadow both the stretches of our solar system and the caverns of Roy McBride’s psyche. Director James Gray crafts each frame with the meticulous care of a painter, imbuing the void with a melancholic beauty that belies its emptiness. This is a future that's immaculate and sterile, and yet teeming with unspoken emotion, a reflection of the protagonist's own bottled-up turmoil.

Brad Pitt, as Roy, delivers a performance that is both subtle and deeply affecting. His Roy is an island of stoic calm in a sea of chaos, a man whose pulse never rises above 80, even in the face of cosmic catastrophe. There’s a haunting resonance in how Pitt portrays Roy's internal struggle, a man wrestling with the legacy of an absent father and the weight of his own existential dread. The loneliness of space mirrors Roy’s isolation; the silence a canvas for the audience to project their reflections.

But "Ad Astra" is not without its gravity wells. While the premise tantalizes with hints of a thriller, the pacing is deliberate, reflective of the inescapable pull of Roy's thoughts—a narrative that might test the patience of those seeking a more adrenaline-fueled trek through the stars. The storyline orbits around themes of human connection, or the lack thereof, and while the conclusion seeks to offer a kind of resolution, it may leave some yearning for firmer ground.

The entirety of the film is a symphony of subtext, murmuring existential questions beneath the cosmic spectacle. As Roy ventures further into the unknown, the movie ponders our significance—individual and collective—in the unfathomable vastness of the universe. It’s a beautiful paradox; as we journey away from Earth, we delve deeper into the human experience.

This isn't a film about aliens or space battles. It's about the alienation and battles within, the emotional vortexes hidden beneath a calm surface. The external journey to Neptune becomes less about the physical distance traveled and more about the introspective traverse through the layers of Roy's armored psyche.

The score that accompanies this odyssey is a fittingly atmospheric companion, at times ethereal, at others, foreboding. It's a soundscape that complements the cinematic voyage, spilling into the voids between the stars, between the fragments of Roy's life, and between the audience's breaths, suspended in the theater’s darkness.

In rendering a verdict, "Ad Astra" is awarded a 7 out of 10; it achieves a feat of portraying the majesty of the cosmos while voyaging into the introspective cosmos within its protagonist. Its lingering pace and contemplative tone may not be universally embraced, but for those willing to drift on its tides, it promises an experience of celestial and cerebral depth. While it may fall short of achieving the gravitational pull of a space epic’s most celebrated stars, it certainly shines with its own singular light, illuminating the shadowed contours of the human spirit on its quest through the silent infinity.