John Robert Callas from Kingsport, TN, age 43

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John Callas

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News

Why Mars Needs Leap Days, Too

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We count Martian days and Martian years, said John Callas, the project manager of NASAs Mars Exploration Rover project, which directs the Curiosity rover. But we dont care right now that seasonal events may be drifting relative to calendar events.

Date

Feb 28, 2020

Category:

Science

Source:

Google

Opportunity’s final image is a haunting panorama of the Martian surface

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This final panorama embodies what made our Opportunity rover such a remarkable mission of exploration and discovery, Opportunity project manager John Callas of NASAs Jet Propulsion Laboratory in Pasadena, California, said in a statement. To the right of center you can see the rim of Endeavor Cra

Date

Mar 16, 2019

Category:

Science

Source:

Google

NASA's Record-Setting Opportunity Rover Mission on Mars Comes to End

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We have made every reasonable engineering effort to try to recover Opportunity and have determined that the likelihood of receiving a signal is far too low to continue recovery efforts, said John Callas, manager of the Mars Exploration Rover (MER) project at JPL.

Date

Feb 15, 2019

Category:

Headlines

Source:

Google

Mars Rover gives super emo final goodbye to NASA before death

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Even though its a machine and were saying goodbye, its still very hard and very poignant, but we had to do that. We came to that point, project manager John Callas said to a group of people who worked with both Opportunity and its twin rover, Spirit.

Date

Feb 15, 2019

Category:

Headlines

Source:

Google

NASA bids adieu to Opportunity, the Mars rover that kept going and going

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The Opportunity mission cost more than $1 billion, with about 300 JPL staff members dedicated to the project soon after it landed, John Callas, project manager for Mars Exploration Rovers, said by phone.

Date

Feb 14, 2019

Category:

Headlines

Source:

Google

NASA's Mars Opportunity rover declared dead

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"We were meanttogetto this point:To wear theserovers out,to leave behind nounutilizedcapabilitiesonthesurfaceof Mars," said John Callas, MER project manager. "Wehad no idea it would take this long. But even still, this is a hard day ... Even though it's a machine, it's still very hard a

Date

Feb 13, 2019

Category:

Headlines

Source:

Google

NASA rover finally bites the dust on Mars after 15 years

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This is a hard day, said project manager John Callas. Even though its a machine and were saying goodbye, its still very hard and very poignant, but we had to do that. We came to that point. He added: It comes time to say goodbye.

Date

Feb 13, 2019

Category:

Headlines

Source:

Google

Last Ditch Attempt to Revive Dormant Mars Rover Opportunity

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While we have not heard back from the rover and the probability that we ever will is decreasing each day, we plan to continue to pursue every logical solution that could put us back in touch, John Callas, project manager for Opportunity at NASAs Jet Propulsion Lab, said in a statement.

Date

Jan 27, 2019

Category:

Headlines

Source:

Google

Publications

Wikipedia References

John Callas

Videos & Images

Flickr

Youtube

Sound of silence .John Callas

Sound of silence, music by Paul Simon .Arrangement and singing by John...

Category:

Music

Uploaded:

31 May, 2010

Duration:

3m 4s

Sounds of my heart .John Callas

Sounds of my heart.Instrument... music with pictures from Greece comp...

Category:

Music

Uploaded:

29 Oct, 2008

Duration:

2m 59s

Everything i do i do it for you.John Callas

Everything i do i do it for you. By Bryan Adams. Arrangement and singi...

Category:

Music

Uploaded:

30 May, 2010

Duration:

3m 10s

From Pittsburgh with love By John Callas

Music composed and pictures by John Callas {Yannis Kaloyeropoulos}

Category:

Music

Uploaded:

11 Oct, 2010

Duration:

1m 51s

New life (John Callas)

Instrumental music with pictures composed by John Callas (Yannis Kaloy...

Category:

Music

Uploaded:

15 Jul, 2009

Duration:

4m 13s

Miracle.John Callas

Miracle instrumental music with photo story composed by John Callas [Y...

Category:

Music

Uploaded:

11 Nov, 2008

Duration:

3m 26s

Sunrise.John Callas

SUNRISE.Instrume... music with pictures composed by John Callas [Yann...

Category:

Music

Uploaded:

16 Oct, 2008

Duration:

3m 51s

Whispers of the sky.John Callas

Whispers of the sky.Instrumental music with pictures composed by John ...

Category:

Music

Uploaded:

09 Oct, 2008

Duration:

3m 23s

John Robert Callas

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