How did astronomers use technology to identify characteristics of the Crab Nebula?

i need the answer to this too but idk it ; -;

hi,

what occurs during a solar eclipse?

there are small tides across earth.

the moon is between earth and the sun.

p.s. im not sure if the first answer is correct because during a solar ecliphse there are spring tides and i dont know if they are the same.

d. platinum would have the greatest temperature increase because it has the lowest specific heat.

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it