if you have liquid water that indicates that there s a water system in place and possibly even something like weather and so that would be a very very important step toward saying ok possibly there s life is that that s my next question is is it possible to have human life there well. 1st of all interstellar travel is a long we re a long way away from making that happen but say that one day in the far distant future we actually did manage to travel out into the universe and start to try to populate other planets this probably wouldn t be one of the planets that we would want to go to simply because of the fact that it s 9 times more massive than the earth as the gravity would be absolutely crushing that said however it doesn t mean necessarily that other forms of life might not have evolved there already very interesting stuff there dark williams from d.w. science thank you to baseball now and the european championships taking place here in germany the hosts are up against italy in the
nigerians signed up for free flights home after a wave of violence against foreigners in south africa our correspondent funny chart was one of the 1st international correspondents to meet the return east at the airport in lagos she sent us this report. slowly and with a long delay it finally arrives the airplane from johannesburg. and some officials are waiting for the passengers to disembark. this is the 1st machine from south africa with nigerian rhetoric the 1st since anti immigrant violence erupted in and around your hannahs burg last week now that the nigerians are back what does the future hold for that. warm welcome to begin with but a lot of uncertainty to this woman left south africa after 7 years because of the xenophobic attacks she says she has brought her child with her the prince michael. so. what s the plan for your future and what are you hoping to
think he did a good job he didn t like you didn t like to hear all is that he does here is fair on this about it that he is the facilitator. to oppose he s very impressive very brave and he s still very young. and find him particularly admirable because he s risking his life and freedom with his activism. activism was just killed seeing josh i m person. i think it s a huge motivation for people who are brought to come closer to. so be motivated and follow closely to what is happening in our home city. many here tell us that concerned about joshua wong and what will happen to him when he returns to hong kong which 1st he s heading for the united states where he hopes to gain more support the hong kong s pro-democracy movement. all right let s get some analysis on all of this we have our chief political correspondent linda crane here in berlin