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Planetary RadioSeptember 12, 2018

Opportunity, Phone Home!

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On This Episode
John Callas
John Callas

Mars Exploration Rover Project Manager, Jet Propulsion Laboratory

Headshot of Emily Lakdawalla (2017, alternate)
Emily Lakdawalla

Senior Editor and Planetary Evangelist, The Planetary Society

Headshot of Bruce Betts
Bruce Betts

Chief Scientist / LightSail Program Manager, The Planetary Society

Headshot of Mat Kaplan
Mat Kaplan

Planetary Radio Host and Producer

The dust is settling on the Red Planet. Is the remaining Mars Exploration Rover about to rise and shine after three months of slumber? MER Project Manager John Callas returns with a realistic yet hopeful assessment. He also tells us what Opportunity will be asked to do after we hear from her. Planetary Society Senior Editor Emily Lakdawalla returns with a preview of China’s next two missions to the Moon, one of which will make the first-ever farside landing. How close is the nearest black hole? We’ll get the answer as Bruce and Mat explore the night sky in this week’s What’s Up.

Wake up Opportunity!

NASA / JPL-Caltech / MSSS

Wake up Opportunity!
A small local storm in the northern hemisphere of Mars spotted May 30, 2018 grew into a massive regional dust storm that merged with other storms in June and became what is called a planet-encircling dust event (PEDE). Within a couple of weeks, the dust kicked up high into the atmosphere blanketed the planet. In August, the storm’s “lifting centers” died and the dust began settling out and back onto the surface. The MER team is to begin an active listening campaign to re-establish communication with Opportunity in September. The image above, taken by the Mars Color Imager camera onboard the Mars Reconnaissance Orbiter (MRO) and processed by Bruce Cantor at Malin Space Science Systems (MSSS), shows the latest global view of Mars cloud of dust. The tiny dot in upper third of planet represents Opportunity’s location.

The 2001 cloaking

NASA / JPL-Caltech / MSSS

The 2001 cloaking
Two images, taken about a month apart in 2001 by the Mars Orbiter Camera (MOC) onboard the now decommissioned Mars Global Surveyor orbiter, show the dramatic change in the planet's appearance when a planet-encircling dust event grew and became globally distributed. This was the first planet-encircling dust event that NASA’s Mars Exploration Program witnessed in 20 years of constant observation. Another one followed in 2007 during, which Opportunity survived. This recent PEDE is bigger and ‘sat’ at Endeavour and churning up dust for days. If however “things track the way they did in that storm,” said Rich Zurek of the Mars Program Office at JPL and MRO, Opportunity could phone home sometime in September this year.
Here comes the Sun

NASA / JPL-Caltech / Cornell / ASU / S. Atkinson

Here comes the Sun
The Sun came out again at Endeavour Crater in August as the dust from the global storm settled out. This artistic image was processed by author, astronomy outreach educator, Stuart Atkinson, who has also followed this rover’s journey for years. See his The Road to Endeavour.

Trivia Contest

This Week’s Prizes:
A svelte Planetary Radio t-shirt from the Planetary Society Chop Shop store, a 200-point iTelescope.net astronomy account, and a code for the free download of Distant Suns (+VR) (iOS devices only).

iTelescope.net
iTelescope.net

This week's question:

Time again to play Where in the Solar System? Where in the solar system is a crater named Math? (Sadly, unrelated to Mathew Kaplan.)

To submit your answer:

Complete the contest entry form at http://planetary.org/radiocontest or write to us at [email protected] no later than Wednesday, September 19th at 8am Pacific Time. Be sure to include your name and mailing address.

Last week's question:

What is the diameter of the Voyager 1 and 2 high-gain antennas?

Answer:

The answer will be revealed next week.

Question from the August 29 space trivia contest:

What is the closest black hole to Earth that we know of?

Answer:

At about 3,000 light years from Earth, the nearest black hole is A0620-00, known to its friends as V616 Monocerotis.

Listen more: Opportunity, mission status, podcasts and videos, Planetary Radio, Mars Exploration Rovers, the Moon, Mars

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