Scientists have found that space is getting bigger faster than they expected. They looked at a group of galaxies 300 million light-years away to figure this out.
For a long time, scientists have known that the universe started small and is now full of galaxies spread out. But it’s still a mystery how this happened. There are forces we don’t fully understand at play.
By studying how fast galaxies are moving away from each other, we can calculate the rate of expansion of the universe. However, different methods give different results, causing a problem in the scientific community.
Scientists recently measured the distance to a galaxy cluster called Coma. This helped confirm the speed at which space is expanding near us. But there are still differences in measurements made using other methods.
This challenge in understanding the universe is exciting for scientists because it might lead to new discoveries and change our current understanding of the cosmos.
Vocabulary List:
- Galaxies /ˈɡæləksiz/ (noun): Large systems of stars stellar remnants interstellar gas dust and dark matter bound together by gravity.
- Expansion /ɪkˈspænʃən/ (noun): The process of increasing in size volume or scope.
- Universe /ˈjuːnɪvɜːrs/ (noun): All matter and space considered as a whole; the cosmos.
- Calculated /ˈkæl.kjʊ.leɪ.tɪd/ (verb): Determined mathematically or logically.
- Mystery /ˈmɪstəri/ (noun): Something that is difficult or impossible to understand or explain.
- Discovery /dɪsˈkʌvəri/ (noun): The act of finding or learning something for the first time.
