By Claire Colbert, CNN
Our readers were certainly intrigued by initial measurements from the Mars rover Curiosity recently, which indicated that radiation levels on Mars are not lethal to humans. More research needs to be done to determine exactly how much radiation exposure a visit to Mars would entail, however.
Curiosity has been on Mars since August 6. For several weeks it had been parked at a place called Rocknest, but on November 16 the rover started driving again, NASA said. Currently it's on its way to a location called Point Lake.
As we continue to chart its activities here at CNN Light Years, it seems that every new discovery that the rover makes rekindles the debate about the importance, or lack thereof, of NASA.
Some people are ready for their ticket to Mars:
send me please!! we should be spitting out astronauts like cheeseburgers at mcdonalds now that we have private comps providing the space veh.
We know for a fact astronauts can inhabit the moon for at least 3 days where there is NO atmosphere or magnetosphere. Mars at least has some atmosphere and is farther from the sun. Launch the astronauts now!
Bob thinks the trips should just be one-way:
… this is a really important point. We need to stop thinking about bringing someone back from Mars. Make the first mission (and potentially many after it) one-way trips. It'll be cheaper, faster, easier, and more likely to succeed, and there would be zero difficulty finding quialified appliants. Sign me up.
And some people are ready to invest elsewhere:
I'm really tired of the "big sell" about MARS. I realize going there is a big accomplishment but I think we can quit now. It's obvious that Mars will never be a popular vacation spot. NASA should find something else to do, IMO.
Reader 21k would rather see the money invested in innovation here on Earth:
how sad. there is so much science and engineering we could do here on earth to make life better. but it isn't flashy, and doesn't provide the intellectual escapism of people flying for months or years on "big wokit ships". is it interesting to discover distant planets, figure out black holes, ? yes. but you have to acknowledge your limitations at some point. oh, the spirit of human discovery, bla-bla-bla. this isn't columbus sailing around with all the air and fish he could ask for.
What have we gained from space exploration? Here's a story summarizing some of the important technological advances that have come about because humans decided to examine the world outside our planet.
CNN's Elizabeth Landau contributed to this report
Follow @CNNLightYears on Twitter
Matthew is the owner and lead investigator of . Barge Investigations is lnciesed, bonded, and insured (PSID#50402). Matthew has several years of experience in the field of private investigations and is dedicated to becoming the leader in legal surveillance and background checks. Matthew is a graduate of the Academy of Legal Investigators and a graduate of The Micro Enterprise Resources & Initiatives Training Program (MERIT). has worked for the general public, the business community, attorneys, and insurance companies resulting in many satisfied clients.
Science Fantasy Delusion is the Volunteer Motivation.
Send Robots to Make a Giant Underground Shopping Plaza.
When completed, Roll Out the Red Carpet for the Oligarchs escaping Earth.
A person essentially assist to make seriously posts I'd state. This is the first time I frequented your website page and to this point? I surprised with the research you made to make this actual put up extraordinary. Excellent task!
Light Years strives to tell the stories of science research, discovery, space and education. This is your go-to place on CNN.com for today’s stories, but also for a scientific perspective on the news and everyday wonders. Come indulge your curiosity in all things space and science related, brought to you by the entire CNN family.
July 19thAtlas V launch of US DOD MUOS-2 satellite, notable for large "551" config of Atlas
Aug 3rdJapanese HTV-4 flight to ISS on cargo supply mission
Aug 14thSpaceX launch of Canadian satellite in the first launch from their new Vandenberg facility, and first launch of upgraded Falcon 9 v1.1 launch vehicle
Aug 28thDelta IV Heavy launch of NROL-65 spy satellite
SeptemberSoyuz TMA-08M flight returning Expedition 36 crew from ISS to Earth (Kazakhstan)
Sept 12thOrbital Sciences maiden flight of Cygnus cargo vehicle on Antares rocket to ISS
Sept 25thSoyuz TMA-10M flight launching Expedition 38 crew to ISS
Dec 9thSpaceX Dragon launch by Falcon 9 v1.1 on CRS-3 cargo supply mission to ISS
recurringfirst powered test flights of Scaled Composites' SpaceShipTwo commercial vehicle, to be used by Virgin Galactic for sub-orbital tourism