NASA spacecraft has appeared to have landed on Mars. The name of the spacecraft is Phoenix. Mission controllers at the Jet propulsion laboratories have confirmed the reception of the radio signal from the Phoenix at 8 p.m eastern time. Because the signal was relayed via the Mars Odyssey orbiter, the controllers would have to wait another couple of hours, until Odyssey's next pass over the landing site, for additional word of the Phoenix's condition, including whether it had successfully unfolded its solar panels and possibly the first photographs.
Mars is usually unsuitable for normal life with icy cold weather. But in the past, Mars' axis may have periodically tipped over so that its north pole pointed at the sun during summer. That conceivably could have warmed the ice into liquid water. With liquid water comes the possibility of life. So it will take a day or two to tell whether Mars is accessible or not!!
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