Drag the tiles to the correct box
Procyon B
Polaris
Vega

It is fusing hydrogen at its core.
It has lost its outer shell and retained only a hot core that is slowly losing its brightness.
Its temperature has decreased, but it is shining brighter than before.

now that is funny!

turns out the girl will die because she thinks her backpack is a parachute.

don't rid your account bro : )

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.