Which object is generally considered the consistently hotter object over the duration of its observable life?
Answer
Blue Giant
A blue giant maintains a stable, high temperature throughout its active phase, whereas a white dwarf's temperature declines monotonically after its initial peak.

Related Questions
Which stellar object can momentarily achieve surface temperatures exceeding 100,000 Kelvin shortly after formation?What astronomical observation is described as a direct indicator of a star's surface temperature?What is the primary energy source for a Blue Giant star during its active phase?What stellar remnant represents the final stage for stars roughly the mass of our Sun?According to general stellar classification, what color do the coolest stars glow?Which object is generally considered the consistently hotter object over the duration of its observable life?What happens to the temperature of a White Dwarf over billions of years after formation?What is a typical surface temperature range cited for a Red Giant star?How long does a Blue Giant typically maintain its high-temperature phase compared to a White Dwarf's initial peak?What physical property of a White Dwarf is responsible for packing thermal energy into a small volume?Which phase of stellar evolution is described as an active, fusing star near the zenith of its life?