Millions of solar masses may form there is general

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of millions of solar masses may form. There is generalconsensus that supermassive black holes exist in the centers of mostgalaxiesIf there are other stars orbiting a black hole, their orbit can be used to determine its mass andlocation. These data can be used to exclude possible alternatives (such as neutron stars). Inthis way, astronomers have identified numerous stellar black hole candidates inbinarysystems, and established that the core of ourMilky Waygalaxy contains a supermassiveblack hole of about 4.3 millionsolar masses.
9If we were to send a radio message to a civilization in 2013 which is located in the EpsilonEridani star system approximately 10 light-years away and the message was immediatelyreplied to when would the reply arrive back at Earth?
10Electromagnetic radiation of wavelength 200 nanometres is referred to as
11. which of the following objects are classified as dwarf planets?Select one or morecheck in all that apply
12. many large telescopes have been built on the 4200m summit of Mauna Kea in theHawaiian Islands because (check all that apply)

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Term
Three
Professor
Bailey
Tags
Solar System, Radiation, Black hole, Chemical Building Blocks, Supermassive black holes

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