:00:00. > :00:00.Hi, I'm Martin with all the news for you this St Patrick's Day.
:00:07. > :00:10.Seaworld announces an end to its controversial killer
:00:11. > :00:22.And I'm live in London, taking a closer look at the most expensive
:00:23. > :00:30.cawing in the world. -- coin. First, to the spectacular sight
:00:31. > :00:32.that's been lighting up our skies. This epic meteor was captured
:00:33. > :00:36.on film speeding through the atmosphere in the early
:00:37. > :00:39.hours of this morning. Those lucky enough to catch it
:00:40. > :00:42.described seeing a beautiful green flash, which left
:00:43. > :00:45.a white trail behind it. It even lit up these
:00:46. > :00:48.cars on the ground. Experts say the meteor was probably
:00:49. > :00:51.the size of a tennis ball and travelling at around
:00:52. > :00:56.30 miles a second. And from one sparkling
:00:57. > :00:57.sight to another. This silver coin is worth
:00:58. > :01:00.around ?7 million! It's the most valuable coin
:01:01. > :01:04.in the world and it's about to go Good afternoon, Martin. This coin is
:01:05. > :01:21.incredibly valuable. Lots of you at home
:01:22. > :01:23.may collect coins. If you had this coin
:01:24. > :01:26.in your collection, you would be extremely rich because
:01:27. > :01:37.this is the most It was sold at auction for around ?7
:01:38. > :01:43.million in 2013. It is a silver dollar cawing created in 1794 and
:01:44. > :01:47.the owner of this coin is Bruce. We are not allowed to hold this coin
:01:48. > :01:54.because it is so valuable but if you can pick it up, I don't want to drop
:01:55. > :02:01.it. Tell us what is so special about it. This is the first Silver dollar
:02:02. > :02:09.ever struck for the United States in 1784. And I understand George
:02:10. > :02:13.Washington actually picked this up all stop he would have approved the
:02:14. > :02:19.cornet of these dollars so he probably held this coin. Can you
:02:20. > :02:24.tell me who is on the front? Liberty is on the front representing the end
:02:25. > :02:32.of pendants of the US and the Eagle as well. What attracted you to
:02:33. > :02:37.collecting coins? I started at six when my great-grandmother gave me
:02:38. > :02:42.three coin she kept in a teapot for decades and I fell in love with the
:02:43. > :02:47.history and the beauty and the possibility of making money. The
:02:48. > :02:52.only coin I can hold is a replica so I will keep hold of this. Thank you.
:02:53. > :02:55.The controversial American theme park SeaWorld is ending its killer
:02:56. > :02:59.This means those whales who live there at the moment will be the last
:03:00. > :03:01.to be kept in captivity by the company.
:03:02. > :03:02.Animal rights groups are celebrating the news,
:03:03. > :03:04.but some want SeaWorld to release its orcas
:03:05. > :03:09.The company says that the whales wouldn't be able to survive.
:03:10. > :03:12.Some of the best British athletes are in America today
:03:13. > :03:15.for the World Indoor Athletics Championships,
:03:16. > :03:22.One member of Team GB told Newsround what she's expecting this summer.
:03:23. > :03:25.I'm Dina Asher-Smith, the current British record-holder
:03:26. > :03:31.I want to do as well as I can, frankly, I know that sounds
:03:32. > :03:35.boring but sometimes you feel like you're in really good shape
:03:36. > :03:37.and can't quite put the time down or put
:03:38. > :03:41.the race together, so I want to go out there and do what I feel
:03:42. > :03:47.If that gets me to a final, that will be it,
:03:48. > :03:52.but I really want to get that and if I do as well as I possibly
:03:53. > :03:55.can, that's a really good stepping stone to work on for,
:03:56. > :04:00.touch wood, qualifying for the Olympics.
:04:01. > :04:03.Now, archaeologist say they may be a step closer to solving one
:04:04. > :04:08.of ancient Egypt's biggest secrets, by finding Queen Nefertiti.
:04:09. > :04:11.The Queen ruled in Egypt during the 14th Century BC,
:04:12. > :04:15.but the location of her tomb has remained a mystery.
:04:16. > :04:19.Now special radar scans have revealed hidden spaces in the tomb
:04:20. > :04:23.of Tutankhamun, which experts think could contain her mummified body.
:04:24. > :04:26.More scans will be done later this month to try to discover
:04:27. > :04:29.if the spaces are in fact burial chambers.
:04:30. > :04:32.There's loads more of the day's news online, including this guide
:04:33. > :04:34.to everything you need to know about St Patrick's Day,
:04:35. > :04:45.Liverpool against Manchester United Old Trafford in a Europa League tie.
:04:46. > :04:50.Hayley's back in the morning with everything you need to know.