This week, Jupiter stays in the sky all night. It rises around sunset and doesn’t set until dawn. That’s what opposition really means: the planet sits directly opposite the Sun in our sky. When the Sun goes down, Jupiter comes up. When the Sun returns, Jupiter disappears. Most planets give you a short viewing window. A couple of hours and they’re gone. Opposition turns that into an all-night invitation. You can step outside after dinner, before bed, in the middle of the night, or just before sun