Scientists have discovered an earth-like planet millions of miles away and they think there could be life there.
It hasn't got a proper name yet, but scientists are calling it the Gliese 581 super-Earth after the star it orbits.
So what do you think it should be called? It was found in part of the galaxy called the 'Goldilocks Zone' so does that give you any ideas?
Unfortunately this topic is now closed but there are Comments pages on other subjects on the main Chat index.
Your Comments
"I would give this amazing discovery a name called The New Earth because if global warming gets Earth, we can go to that one."
Jack, 12, Risca
"We should call the new 10th planet Earther"
Kieran, 13, Carlisle
"I think the new planet should be called Sumidedat because it sounds cool and interesting."
Sarah, 10, Florida
"I think it should be called Laylora after the planet in the price of paradise in Doctor Who."
Hannah, 12
"I think that it should be named 'Gallifrey' the planet of the Time Lords in Doctor Who. But I'm sure that the 'Daleks' won't destroy this 'Gallifrey'!"
Haleemah, 10, Slough
"I think the planet should be called "Saphronia" because it sounds very scientific. And it's cool!"
Ayan, 12, Denmark
"You should call it Moon 2 because it looks like the moon."
Lois, 10, Brighton
"I think this planet should be called Saphron 'cause it's a cool name!"
Shaunee, 11, Shetland Isles
"I think it should be called New Earth, like DR Who, or it should be called Destrica, as it is one of our probable destinations."
William, 12, Colchester
"I think it should be called Skaro."
Laura, 9, Henesford
"I think the new Earth should be called Earth 2 or Earth again."
Fatima, 12, Birmingham
"I think it should be called Porridgeopia because Goldilocks ate the porridge in Goldilocks and The Three Bears."
Jacqueline, 10, Tamworth
"I think that the mysterious new planet should be called Poseidon because it is the name of a Greek God who controlled water at his will and we need water to live."
Derrick, 10, London
"I think it should be called Xeirae, pronounced Zeiray. Or its should be called
Zirgham. I made them up!"
Raby, 13, Dubai
"I think it should be called Dionysos, after the Greek god of life, but only if there really is life there."
Eleanor, 10, Dublin
"I think the new planet should be called Hercules because of the Greek Gods and other planets such as Jupiter."
Sophie, 13, Bristol
"I think the new earth should be called 'Earth, again!'"
Jay, 11, Braintree
"Sperode because spero is Latin for hope."
Amelia, 13, Kettering
"I think the new planet should be named after a Roman God because the all the rest of the planets have been. Janus would be a good name because Janus is the Roman God of doorways, and us discovering a new planet is like going through a doorway to something new and unknown."
Emily, 11, Wokingham
"I think it should be called Utopia because it sounds cool and modern!"
Sam, 11, Peterborough
"New planet should be called Star Aresia Sapphire. It is a cool name for this planet."
Joshua, 11, New Zealand
"I think you should call it Goldilocks."
Zaby, 9, Skipton
"New Super Earth!"
Peter, 10, Nottingham
"I think the new planet should be called Snickers because we already have Mars, Galaxy and the Milky-Way. Another name that is also a chocolate!"
Sophie, 12, Waterlooville
"I think it should be called Callipso."
Ami, 7, London
"I think the planet should be called New Earth like the one in Doctor Who."
Zach, 11, Bolton
"Galaxia, as it's a whole new Galaxy."
Aaron, 8, Denton
"Earthatopia!"
Vishaal, 11, Birmingham
"I think the new planet should be called Bob because it's groovy, easy to remember and I think it's just a pretty cool name!"
Matilda, 10, London
"I think it should be called Gliese Earth as it is like Earth but it orbits Gliese."
Zaki, 11, Worthing
"I think it should be called new earth because it is like the earth!"
Yusef, 12, Aylesbury
"I think it should be called Gaiaus, because it is like the original name for Earth. But if there really is life on the planet, maybe it's already named?"
Bethan, 12, Stockport
"I think 'New Planet' is pretty good, stick with it! Also, if there's life on it they're probably having the same debate about what they'll call our planet!"
Kiyo, 13, Preston
"I would like to name it Koishii as that is Japanese for beloved or even Koigokoro which is Japanese for love."
Melissa, 13, Castleford
"I think they should call it Lightyear as it is so far away from being visited."
Jordan, 13, Surrey
"I think it should be called Bilingualearth because if it is like Earth there will be like two Earths!"
Tegas, 10, Basingstoke
"I think it should be called Rocky."
Osnat, 11, London
"I think the planet should be called Endor from Star Wars"
Sarah, 11, Northumberland
"If I could name the new planet I would call it Zubiter."
Lucy, 10, Rotherham
"I think we should name the planet Redoa because it orbits a red star."
Anna, 10, Bristol
"I think they should call it Zorgon."
Ben, 8, London
"I think it should be called Haven."
Edward, 12, Petersfield
"I think it should be called Aphrodite because that is a goddess of love so people could think of it as the hidden love island!"
Bonnie, 13, Brighton
"I think we should name it 'Planet Of The Apes' it has a nice ring to it."
D'arcy, 13, London
"I think scientists should call it Odin, also known as Woden, as it was the God of war. He rode an eight legged horse and he often doubted himself and would spend too long trying to decide whether or not to do things."
Uzair, 11, Birmingham
"We want to call the new planet R2D2 from Star Wars."
Gary & Jason, 12, Belfast
"I think it should be called Mickey because we have already got Pluto his dog, so why not have both of them?"
Billy, 12, Welling
"I think it should be named Raxacocasalafatorious from Doctor who of the Slitheens planet."
Luc, 10, Upper Norwood
"I think Sapphira would be a good name for this planet because it means blue jewel."
Christopher, 8, Southampton
"If there is life on that planet maybe they have already named it and we shouldn't re-name it."
Malcolm, 11, Barnsley
"I think it should be called Golaearth, because it was found in the Goldilocks Zone and is much like earth!! Its amazing how there could be other life...they could be humans as well but years in front instead of behind!!"
Jack, 11, Stockport
"I think it should be called Mother Earth because it is apparently like our Earth except bigger."
Adam, 10, Walton-on-Thames
"I think the new planet should be called Kamino (the Ocean Planet from Star Wars Episode 2)."
Will, 8, Edinburgh
"I think the Earth - Like planet should be called 'The second Chance' because the new planet is a whole new chance for us to go to, but this time, not to destroy it with global warming and it is also far a way from the sun so we won't be in the blowing up of the Sun."
Kieran, 10, Northampton
"I think the new planet should be called 'Plenitude' Because I like the 'Sisters of Plenitude' from Doctor Who!"
Ruby-Mae, 11, Deptford
"I think the new planet should be called Skeetie."
Ross, 9, Aberdeen
"I think it should be called "Hedrium". It sounds really cool."
Miriam, 10, Winchester
"I think it should be called Goldilocks and the Three bears, after the zone it was found in!"
Alice, 11, Epsom
"I think that it is amazing that a new planet has been discovered and I would really appreciate it if you named it Georgia after me!"
Georgia, 13, Cumbria
"I think it should be called Cydonia. Yeah, out of the Muse song!"
Phillip, 13, Newcastle-upon-Tyne
"I think that the planet should be called Veritas, after all of the other Roman gods that planets are named after. Jupiter is King God, etc. Veritas is God of the harvest/food!"
Harry, 11, Cornwall
"I think that the planet should be called something in association with a god - e.g. Zeus."
Chantelle, 12, Lowestoft
"I think it should be called Newsureus as it has been on the news so much!"
Cloggy, 12, Folkestone
"I think you should name it wishing star because its something that we want to know more about."
Nadia, 12, Blackpool
"I think the planet should be called Outsolar because it is out of the solar system."
Hayley, 9
"I think it should be called Laputa as it sounds mystical."
Patrick, 10, Telford
"I think it should be called something like New Earth but I hope no-one calls it anything from Doctor Who because that would completely spoil the whole idea of fantasy. Something that has a very enchanting name would be good."
Lucy, 12, London
"I think the planet should be called Frank because that's my name, and it would be cool to have a planet named after me."
Frank, 10, Leek
"I think the planet should be called Bob, because it's random and quite snazzy!"
Matthew, 12
"I think it should be called Artemis after the Greek goddess of the moon and hunting."
Elliott, 10, Ramsbottom
"If I could name the planet, I would call it Skaro after the planet of the daleks as it looks a bit like a dalek planet."
Daniel, 12, Mablethorpe
"If there is life on it they will already have a name for it, how would you like it if they decided to call earth copycat?"
Ally, 13, London
"The new planet should be called Apollo."
Eve, 9, Stockport
"I think it should be called Nova Terra. That means 'New Earth'."
Connie, 8, Branston
"The new planet should be named mother nature
2."
Alan, 9, Liverpool
"I think a competition should be held for kids to decide its name - just like Pluto."
Callum, 12, Fife
"I think the new planet should be called "GoddessZelda" cuz I think it's a cool name."
Catrin, 11, Wales
"I think it should be called Rupert, since that is what the tenth planet was called in The Hitchhikers Guide to the Galaxy by Douglas Adams"
Matthew, 12, St Andrews
"I think it should be named after whoever discovered it..."
Antony, 11, Somerton
"I think it should be called Hope as it has given many people hope that we are not alone in the universe."
Callum, 12, Newton Aycliffe
"The new planet should be called Tempus, the Latin for Time, because it's what our planet is running out of."
Helena, 13, Warrington
"I think it should be called (you may think this funny because I do) Galifrey."
Isobel, 9, Virginia Water
"I think it should be called Earth The Second."
Lauren, 13
"I think the new world should be called New Earth because it copied our Earth."
Hannah, 11, Rotherham
"I think it should not be called anything that's copied from doctor who but Greek legends and Gods would be excellent like lots of the other planets like Jupiter, God of Thunder or Venus, God of Water. Aether, the God of Light is a great idea."
Martin, 7, Bognor Regis
"I think they should call this planet BRADY"
Brady, 13, Desmoines
"I think the new planet should be called new earth BUT ONLY IF LIFE IS ACTUALLY THERE!"
Sophie, 11, Bingley
"I think it should be called Cozmic."
Roxanne, 11, Bude
"I think the planet should be called New Earth."
Daniel, 10, Kings Lynn
"I think the new planet should be called Gallifrey, as in Gallifrey from Doctor Who."
Emz, 12, Reading
"It's very fascinating discovery. I think it should be given the name Gold because its in the Goldilocks Zone!"
Abhirami, 12, Dublin
"I think the new planet should be called Copycat because it copied our planet."
Ellie-May, 9, Chippenham
"I think PipTron would be good. Don't know why!"
Katie, 11, Gib
"How about Gallifrey or Skaro from Doctor Who."
Ben, 11, Hartley
"I think it should be called Gallifrey or Lifer."
Leanne, 11, Dublin
"This new discovery is amazing, but I would like the planet to be called Zeus or Apollo or Xena like the other planet was going to be called."
Lewis, 12, Salford
"I think it should be called EARTHIA like earth's sister."
Branndon, 13
"I think that the new planet should be called "Aether" after the Greek God of Light!"
Thomas, 12, Spalding
"I think the new planet should be called Riverock"
Amy, 13, Belfast
"I think it should be called Porridge, because Goldilocks ate all of the bear's porridge!"
Maddey, 12
"We think the new planet should be called Copycat because it is a bit like ours!"
Class 2E, Garlinge
"I think it should be called Thor."
Billie, 13, Elderslie
"I think the new planet should be named "Demons Of Art.""
Rebecca, 12, Rhymney
"I think that they should call it the Bedford planet because it is a original name not like the confusing ones."
Chelsea, 13, Doncaster
"I would call the new planet The Last Existence."
Danielle, 13, Islington
"I think this discovery is amazing! But I'm not to sure I really want to be sharing space with other beings unless I know they are definitely safe! If I could name the planet I would call it the Real Life On Mars! Or Mars 2! But someone needs to think long and hard about a name if there is life!"
Hannah, 13, Ivybridge
"We would call the new planet Bonzarc."
Amy, Scott and Donny
"I think it should be called Asparty because that name is sick."
Alex, 12, London