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Is the lifetime of a massive star shorter or longer than a star like the sunwhy?
It is shorter because it uses the fuel faster and ends up dying faster.
Which star has a shorter lifetime on the main sequence a blue O star or a yellow G star?
an o-type blue star has a less length life than a g-type sun like star, this is because a the larger, hotter star, (the o-type blue star) uses its fuel (converting hydrogen into oxygen) quicker, so the correct answer to your question is the o-type blue star.
Why is the sun or the star eventually die?
A star eventually uses up all of it's hydrogen in nuclear fusion. They fusion of hydrogen into helium is what makes the star glow bright and hot. When all the helium is fused, the star collapses inward on itself, and becomes a small "white dwarf" star, essentially a pile of "stellar embers". That's the end of a star's life.
Why does a massive star have a much shorter life span compared to the sun?
Because a massive star has more pressure on the core, this creates greater temperatures, which increase the amount of nuclear fusion that occurs. This uses more hydrogen and thus the star runs out of fuel much quicker, that a smaller star.
What happens during the third stage of a stars life cycle as the star uses up all of its hydrogen?
The core of a star contracts under the force of its own gravity. This contraction increases the temperature in the core.
Which physical topology uses the same communications line is used to connect all nodes?
logical channel
What network topology uses a backbone?
Bus topology as many nodes are connected to single link
The topology that uses a central hub is?
A star topology.
What topology uses a cable looped to itself and shared by all nodes?
Token ring
Which Topology uses more cables than other network topologies?
Star topology
Which topology uses a hub?
I say Star Topology. Watch this video: http://www.youtube.com/watch?v=ihb_qa6qTbE It explains different topologies. Good luck
What type of topology uses tokens?
Token ring uses star topology . The data token is being passed from one computer to other allowing all the computer to have network access and avoids data collision.
Which local are network employs a star wired bus topology?
Any network that uses a switch or router, but not a hub, to centrally and physically connect the nodes on the network. It is a physical star, but logically, the nodes communicate as a bus, e.g., each node communicates only with the switch to which it is connected; it is up to the switch to pass the information along another bus connection to another node. A hub, on the other hand, is both physically and logically a star, because all nodes connect to the central bus and the communication path is radiated from one node via the hub to all other nodes. Star-wired bus should not be confused with a star-bus hybrid, which is a network made up of multiple stars, each one connected to the next via a bus.
What are the uses of the 3 topologies?
1. logical topology 2. Physical topology 3. star toplogy
The token ring transport method uses a physical topology mesh along with the logic of a ring topology?
Star
Which topology uses a central device for point-to-point connections to other devices?
A star topology; a network topology in which endpoints on a network are connected to a common central device by point-to-point links.
What network topology has a back bone that uses a router or switch as the sigle central connection point for multiple subnetworks?
Such topology is called star.
