2 adjectives to describe sunbursts

All the massy headlands and salient angles of the walls, and the multitudinous temples and palaces, seem to catch the light at once, and cast thick black shadows athwart hollow and gorge, bringing out details as well as the main massive features of the architecture; while all the rocks, as if wild with life, throb and quiver and glow in the glorious sunburst, rejoicing.

"Ah, sire," she cried, with a pretty little sunburst of joy through her tears, "then I have wronged you!

2 adjectives to describe  sunbursts