monkey spider bot. we ve long fantasised about the possibility of life on other planets. but it was only in 1995 that we found the first planet outside our solar system. these exoplanets are hard to find. of course they are, they re relatively tiny. and so far they ve mainly been detected indirectly, either by the incredibly slight dimming of a star s light as a planet moves in front of it, or by the wobble of the star caused by something orbiting it. in the last 20 years we ve detected about 2000 exoplanets, but we haven t actually seen many at all. this is why. well, the planets are very, very faint compared to a star and they re very close to a star. the kind of planets where we might find life, an earth like planet orbiting a star would be 10 billion times fainter than a star. but if you can see the planets, you can start to look for evidence of life on their surfaces. what you need is something to block out the light of a star. what you need is a star shade. due to go in
and bright start to the day, with some sunshine, but it will cloud over to the south and west later, with patchy rain on the way. a full forecast in the next half hour. good morning. first, our main story. ajudge in new york has upheld a legal challenge aimed at stopping the deportation of people being detained under donald trump s new immigration policy. president trump has denied that the measures are a ban on muslims and said that the plan was working out nicely . there have been protests at airports around the united states. our correspondent simon clemison has this report. donald trump says his ban on foreign nationals travelling to america from seven muslim countries is, in his words, working out very nicely . but the order has provoked protest at airports across the country. inside, lawyers worked to free passengers being detained. some were already on the way in when the president made the order, and they re not the only ones affected. i ve heard from colleagues in
this is bbc news. the headlines: president trump s restrictions on refugees and people from seven mainly muslim countries entering the united states is widely condemned by politicians. i m not happy about him coming here until that ban is lifted. look at what is happening with those countries, how many more is going to be? what is going to be the long term of this on the rest of the world ? but as a us judge issues a temporary halt to the deportation of visa holders or refugees, nigel farage backs president trump s executive order. donald trump s policy in many ways has been shaped by what angela merkel did. he is fully entitled to do this. in this country, i would like to see extreme vetting. in yemen, us commandos are thought to have carried out a raid, killing at least 30 suspected al-qaeda fighters and civilians. a statue of princess diana will be built in kensington palace by her sons prince harry and the duke of cambridge. the princes said 20 years after her death, the
we ve long fantasised about the possibility of life on other planets. but it was only in 1995 that we found the first planet outside our solar system. these exoplanets are hard to find. of course they are, they re relatively tiny. and so far they ve mainly been detected indirectly, either by the incredibly slight dimming of a star s light as a planet moves in front of it, or by the wobble of the star caused by something orbiting it. in the last 20 years we ve detected about 2000 exoplanets, but we haven t actually seen many at all. this is why. well, the planets are very, very faint compared to a star and they re very close to a star. the kind of planets where we might find life, an earth like planet orbiting a star would be 10 billion times fainter than a star. but if you can see the planets, you can start to look for evidence of life on their surfaces. what you need is something to block out the light of a star. what you need is a star shade. due to go into space in the mid