WebFeb 25, 2024 · By placing the stars in a globular cluster on a Hertzprung-Russell diagram, astronomers can determine the cluster’s age by looking at the main sequence turnoff point and comparing it with... WebNov 15, 2024 · If we can determine the real size of the cluster population we can learn a lot about the processes that the Galaxy has suffered during its lifetime." In astronomy, the …
Globular cluster ages PNAS
WebIn a very old cluster such as M67, which is 4.5 billion years old, all of the bright main-sequence stars have disappeared. The colour-magnitude diagrams for globular and open … WebDec 21, 2012 · The age of the universe would be shorter than the age of oldest stars. This contradiction implies that either 1) our measurement of the Hubble constant is incorrect, 2) the Big Bang theory is incorrect or 3) that we need a form of matter like a cosmological constant that implies an older age for a given observed expansion rate. shot of protein powder
How do we determine the life cycles of stars and tag some as …
WebNov 25, 2024 · How do you determine the age of open star clusters? By determining the mass of the main-sequence turnoff stars, we get the age of the cluster. The cluster age equals the main-sequence lifetime of the turnoff stars. This is one of the ways we have studied the age of the Universe and the formation history of the Galaxy. Are open cluster … WebJul 31, 2024 · Light that requires 12 billion years to arrive at our eyes comes from an object now 22.6 billion light-years distant. And light from the most distant object ever detected, galaxy GN-z11, which ... Web(3 pts) Determine the B-V value of the turnoff of each of the clusters in Figure 7.4 by reading down to the x-axis from the turnoff point, and then use Table 7.2 to determine the age. You may need to interpolate between values, making your answers approximate. Place your results in Table 7.3. Table 7.3. shot of olive oil daily