Travel by bubble might seem more appropriate for witches in Oz, but two physicists suggest that a future spaceship could fold a space-time bubble around itself to travel faster than the speed of light.
We're talking about the very distant future, of course.
The idea involves manipulating dark energy — the mysterious force behind the universe's ongoing expansion — to propel a spaceship forward without breaking the laws of physics.er:
Answer:
Oxygen cylinders, special jackets
Explanation:
Due to the mountaineers experience problems in breathing while climbing mountain due to decrease in the density of air there is usually the need for them to carry oxygen cylinders which helps them to breathe well to avoid death.
The special jackets are also very necessary due to the weather conditions they are subjected to as a result of the high altitude and closeness to the Sun.
Answer:
The first theory is: as the cloud collapsed to form a galaxy, it's spin is what determined what type of galaxy it became. Some theorists believe that spiral galaxies were formed from clouds that had a significant spin. ... The second theory is that elliptical galaxies were formed from collisions of spiral galaxies
