Which of the following statements regarding 'dark energy' are correct?
1
Dark energy can be observed directly in telescopic images as vast, dark patches between galaxies, contrasting the bright areas where stars and galaxies are located.
2
Dark energy is a hypothetical form of energy that pervades all of space, accelerating the expansion of the universe, and currently makes up approximately 68% of the total energy content of the universe.
3
Dark energy and dark matter are two terms for the same phenomenon, both observed through their strong gravitational pull on visible matter, radiation, and the large-scale structure of the universe.
4
The existence of dark energy has been conclusively disproven by recent observations of the cosmic microwave background radiation, which suggest the universe is contracting, not expanding.
5
Question Not Attempted