The Hubble Telescope photographed the huge galaxy cluster Abel 3827, which has rich possibilities in dark matter research
The two cameras have different specifications and can observe the electromagnetic spectrum So using these two cameras at the same time allows astronomers to collect more complete information. Abel 3827 has also been observed by Hubble before because of an interesting gravitational lens at its core.
Looking at this galaxy cluster consisting of hundreds of galaxies, it is surprising that until less than 100 years ago, many astronomers believed that the Milky Way is the only galaxy in the universe. The possibility of other galaxies has also been debated before, but it wasn’t until Edwin Hubble confirmed that the Andromeda Nebula was actually too far away and could not be part of the Milky Way, the problem was really solved. The Great Andromeda Nebula was later described as the Andromeda Galaxy, and astronomers realized from that time that our universe is much larger than previously thought.
We can imagine how Edwin Hubble would feel if he knew that the Hubble Space Telescope was named after him and saw this spectacular image of Abel 3827?