Was Laika in pain when she died?

Could you elaborate on the circumstances surrounding Laika's death and whether there is any evidence to suggest she experienced pain? Given the historical context of her mission as the first animal in space, it's a topic that has raised ethical concerns. Did she exhibit any distress signs? What were the conditions of her spacecraft and the duration of her orbit? Understanding these details is crucial in assessing whether Laika's death was painful or not. It's a complex question that deserves a thorough examination.