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Joe Palka

๐Ÿ‘ค Speaker
105 total appearances

Appearances Over Time

Podcast Appearances

NPR News Now
NPR News: 12-28-2025 8AM EST

For NPR News, I'm Joe Palka.

NPR News Now
NPR News: 12-28-2025 12AM EST

There was no indication MAVEN was having any technical problems earlier this month when its orbit took it behind Mars, out of sight from Earth-based antennas.

NPR News Now
NPR News: 12-28-2025 12AM EST

But when it came back into view, no signal came from the probe's radio.

NPR News Now
NPR News: 12-28-2025 12AM EST

Tracking data suggested the spacecraft might be rotating and that its orbit might have changed, but there was no apparent reason why.

NPR News Now
NPR News: 12-28-2025 12AM EST

NASA has tried to use the camera on the rover Curiosity to capture a picture of the orbiter from the Martian surface, but so far, no luck.

NPR News Now
NPR News: 12-28-2025 12AM EST

Future rescue efforts face an orbital problem.

NPR News Now
NPR News: 12-28-2025 12AM EST

Starting December 29th, the Sun will be between the Earth and Mars, making communication between the two planets impossible for about three weeks.

NPR News Now
NPR News: 12-28-2025 12AM EST

For NPR News, I'm Joe Palka.

NPR News Now
NPR News: 12-27-2025 6PM EST

There was no indication MAVEN was having any technical problems earlier this month when its orbit took it behind Mars, out of sight from Earth-based antennas.

NPR News Now
NPR News: 12-27-2025 6PM EST

But when it came back into view, no signal came from the probe's radio.

NPR News Now
NPR News: 12-27-2025 6PM EST

Tracking data suggested the spacecraft might be rotating and that its orbit might have changed, but there was no apparent reason why.

NPR News Now
NPR News: 12-27-2025 6PM EST

NASA has tried to use the camera on the rover Curiosity to capture a picture of the orbiter from the Martian surface, but so far, no luck.

NPR News Now
NPR News: 12-27-2025 6PM EST

Future rescue efforts face an orbital problem.

NPR News Now
NPR News: 12-27-2025 6PM EST

Starting December 29th, the sun will be between the Earth and Mars, making communication between the two planets impossible for about three weeks.

NPR News Now
NPR News: 12-27-2025 6PM EST

For NPR News, I'm Joe Palka.

NPR News Now
NPR News: 12-11-2025 8AM EST

It's pretty easy to describe what scientists hope to learn from MAVEN.

NPR News Now
NPR News: 12-11-2025 8AM EST

The MAVEN mission is about understanding the history of the climate on Mars.

NPR News Now
NPR News: 12-11-2025 8AM EST

Bruce Joukowsky was MAVEN's principal investigator when it went into orbit in 2014.

NPR News Now
NPR News: 12-11-2025 8AM EST

Mars is now a cold, arid planet, hostile to life.

NPR News Now
NPR News: 12-11-2025 8AM EST

But scientists believe it was once wet and warm and potentially habitable.