Showing posts with label astronautics. Show all posts
Showing posts with label astronautics. Show all posts

Saturday, 14 June 2014

11 6 Billion And Counting Voyager 1 Makes Interstellar History

11 6 Billion And Counting Voyager 1 Makes Interstellar History
"11.6 BILLION AND COUNTING: VOYAGER 1 MAKES INTERSTELLAR HISTORY"

by Patrick Copeland

"I didn't meet Capt. Janeway until I was in my 20s, but I felt as though I'd known her all my life. In fact, being the unapologetic geek that I am, I've always looked up to the brave leaders of those star-faring ships that took me places I had never imagined before... And it looks like Voyager is at it again.

After what scientists estimate to be about a year of traveling through a sea of plasma and ionized gas, NASA's spacecraft Voyager 1 has finally become the first man-made object to travel into interstellar space. In fact, this happened sometime back in August 2012, but due to the complicated process of filtering through and interpreting the virtually endless data being relayed by the Voyager spacecraft, it's taken us this long to confirm it.

Voyager 1 and its twin Voyager 2 were both launched 36 years ago with a mission to explore Jupiter and Saturn. After the unprecedented success of that excursion, their foray into space was extended indefinitely. The Voyager Interstellar Mission, or VIM, began about 12 years after the 1977 launch and after completing the initial mission of solar planet exploration.

The new mission is simple: Keep going. Over the coming years, scientists hope to learn much more about the properties of our own solar system as well as what lies beyond. Now Voyager 2 is somewhere in the neighborhood of 9.5 billion miles from the sun, while Voyager 1 is about 11.6 billion miles out, and both are still moving quickly into the unknown.

Don't worry, though. We made sure they were well prepared... Each Voyager spacecraft is equipped with a special kind of "time capsule" designed to relay information to distant alien races across time and distance. The delivery device itself is actually a gold-plated copper disk imprinted with sounds and images that are meant to communicate the diversity of life and culture on planet Earth.

A variety of information was integrated into these "time capsules," including spoken greetings in 55 languages, 90 minutes of music and 115 images ranging from diagrams of human evolution to photos of everyday things like grocery stores and highways during rush hour.

But since it will be about 40,000 years before either Voyager passes the closest planetary system, the odds aren't really in our favor of someone finding them. In fact, the only way it's likely to happen at all is if there's an advanced race of beings out there with ability to detect and retrieve the craft. And even if that's the case, it will be a long time before we hear from them.

Still, I say we hold out hope. After all, we may not be the first ones to try this. It's possible that there's a time capsule from another world heading in this direction as we speak. And if there is, I know we'll find a way to get our hands on it so we can say hello."- http://dailyreckoning.com/

Tuesday, 17 July 2012

Juno Spacecraft To Perform Near Earth Flyby

Juno Spacecraft To Perform Near Earth Flyby
Later today (October 9th) the NASA orbiter Juno will be passing close the Earth to perform a critical gravity assist. The maneuver will accelerate the craft's velocity by 16,330 mph for its arrival at Jupiter in July 2016. The closest point of the pass will be over South Africa at 19:21 UTC (3:21 p.m. EDT/12:21 PDT) when Juno will be around 350 miles (500 kilometers) from Earth.

During its flyby the scientific instrumentation will be pointed at our home planet gathering both data and a unique movie of the Earth-Moon system. This will allow for testing of the spacecraft and it instruments.

For those who want to keep an eye on things as the orbiter zooms past, Slooh will be tracking the flyby "live". Viewers can view the event live on Slooh.com using their computer, mobile device or using free iPad app. Questions can be asked on Twitter using the hashtag #nasajuno. Also if you have a pair of binoculars or a small telescope you may be able to view the craft directly.

More info about the Juno flyby and the craft itself can be found at Universe Today and other science news sites.

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