Original sentence: In the announcement for the program "Space week" since 21 july 2009 the speaker voice claims that the sun can be reached by a radio-wave from the earth within 8 seconds, which is not the case
Edited sentence: In the announcement for the program "Space Week" since 21 July, 2009 the speaker voice claims that the sun can be reached by a radio-wave from the earth within 8 seconds, which is not the case