True, RR Lyrae stars pulsate, but with shorter periods and lower luminosities than Cepheids.
The pulsation periods of the fundamental-mode RR Lyrae stars range from about 0.3 to 1.0 days (Population II pulsators with longer periods are categorized as type II Cepheids), but the vast majority of them have generations longer than 0.45 days.
<h3>Why do RR Lyrae stars pulsate?</h3>
RR Lyrae stars pulse like Cepheid variables, but the nature and histories of these stars is thought to be rather different. Like all variables on the Cepheid fluctuation strip, pulsations are caused by the κ-mechanism, when the ambiguity of ionised helium varies with its temperature.
To learn more about RR Lyrae, refer
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After confirming the removal of a virus from a computer, the next step is to check for the latest OS patches and updates.
Gathering information from the user and other sources is the first step involved in troubleshooting process.
After resolving a computer problem, the next step is to verify full functionality by ensuring that the OS is up to date and by testing the operation of the computer and the network that it is connected to.
The last step is documenting the issue and solution
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C. You actually find the Dictionary/Thesaurus in the Review Tab under the Proofing window. This is used when you have completed your writing and are attempting to add color to the vocabulary you have used.
I noticed the last person to post here was incorrect, so I hope I have helped in time.
The above command allows any interface to learn its IP address dynamically by using the DHCP protocol. It is best suited for Ethernet interfaces that dynamically connect to an ISP.
It also in the majority of cases configures the switch to acquire an IP from a DHCP server. Once one inputs this command, it contains a discover message that includes the MAC address of the ethernet interface and the default hostname of the router.