Why is sal from walk two moons curious?

What is that tiny group of stars that look like a miniature big dipper? Sirius is bigger than the Sun and sends out more light so why does it not actually look as bright as the Sun? In a star high heat creates? Why is the International Space Station visible right now? A piece of stone or metal that falls to the earths surface? What color of a star depends on? When does gravitational force change between objects? A star whose spectral lines are shifted toward the red end of the spectrum? How do jetstreams affect air masses? Does the moon have quakes? What do you see in the air? What does punctate areas of increased signal in the periventricular and subcortical white of both hemispheres? When did humans learn that the earth was not the center of the universe? What is the most gassiest planet? Where is there no gravity other than the moon? Where did Apollo 7 launch? When does the planet disappear? Why is the sun set red? Can you survive in space without a spacesuit? Who invented the catseye?