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What can the coronavirus outbreak teach us about bringing Mars samples back to Earth? – Space.com

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A new virus called SARS-CoV-2 is a coronavirus that has caused an outbreak of a disease called COVID-19.

Public health groups, such as the World Health Organization and the U.S. Centers for Disease Control and Prevention, are still learning about the virus, monitoring the disease it causes, and researching potential ways to stop it. You can read all about the coronavirus and COVID-19 at our sibling site, LiveScience.

But me being me, my mind went straight to Mars. I have long been aware of science fiction’s vision of Earth receiving space souvenirs that carry organisms that might be dangerous to Earth’s fragile biosphere — that’s me, and you, too! Such arrivals could be accidental, or they could be purposeful.

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Related: How NASA’s next Mars rover will hunt for alien life

Meanwhile, President Donald Trump’s budget request for NASA supports the development of the Mars sample return mission, a robotic program that would haul back the goods from the Red Planet.

What if such samples turned out to be dangerous, and contagiously so? Are there some Mars-oriented lessons to be learned from COVID-19 and other major infectious diseases

In 1973, Carl Sagan published “The Cosmic Connection — An Extraterrestrial Perspective,” offering this view of Martian pathogens:

“Precisely because Mars is an environment of great potential biological interest, it is possible that on Mars there are pathogens, organisms which, if transported to the terrestrial environment, might do enormous biological damage — a Martian plague, the twist in the plot of H. G. Wells’ War of the Worlds, but in reverse. This is an extremely grave point. On the one hand, we can argue that Martian organisms cannot cause any serious problems to terrestrial organisms, because there has been no biological contact for 4.5 billion years between Martian and terrestrial organisms. On the other hand, we can argue equally well that terrestrial organisms have evolved no defenses against potential Martian pathogens, precisely because there has been no such contact for 4.5 billion years. The chance of such an infection may be very small, but the hazards, if it occurs, are certainly very high.”

Concern and ignorance 

What might happen if such an infection does occur? “I think that it might be instructive to consider the climate of concern that accompanies the current situation with coronavirus,” John Rummel, a senior scientist at the SETI Institute in California and NASA’s planetary protection officer from 1986 to 1993 and 1997 to 2006, told Space.com.

For example, the diagnostic tests available for coronavirus right now aren’t perfectly accurate, and it can take more than a week after infection for symptoms to develop. And while a terrestrial infection might be limited by the change of seasons, that wouldn’t necessarily hold true for a foreign disease vector.

“I think that the challenge for a Mars sample return activity is to be open about precautions taken in the face of ignorance,” Rummel said, “which is what we have … when we discuss life on Mars.”

Schools of thought 

Scientists have various schools of thought on hauling Mars samples back to our planet, Rummel said. But the planned, precautionary approach, based on strict containment and testing for life and biohazards, is compatible with the potential to discover life in a sample, or elsewhere on Mars by other means, as it would still allow for a sample to be returned.

“If one finds life in the sample, one has a good chance of being able to study it in containment,” Rummel said. “The downside of this approach is that it is more expensive [in terms of establishing the containment facility], up-front, than ignoring life on Mars.”

As the recent report to NASA from the Planetary Protection Independent Review Board stated, this approach requires that a sample-handling facility dedicated to analyzing and testing Martian samples be developed up-front.

Rummel said that, if something like the coronavirus situation pops up, then any other containment facility may not be available in a timely way, and may not be able to meet the cleanliness requirements that will ensure that any organisms discovered in the sample came from Mars, and not from Earth after the sample arrives.

Precautionary steps 

Is the emergence of a new epidemic here on our planet a cue about taking precautionary steps regarding planetary protection?

Catharine Conley was NASA’s planetary protection officer from 2006 until November 2017. “As with historical infectious disease epidemics, the coronavirus that’s spreading currently is another example of why it’s so important to understand the consequences of interacting with environments humans rarely contact and then distributing widely whatever [they] picked up,” she said.

“In the case of Mars exploration, it’s most likely that Earth organisms transported to Mars could cause problems for future inhabitants,” Conley said. “If Mars life exists and is brought to Earth, it’s more likely to cause effects on the environment, like the algae recently found to be warming the ice in Greenland, than that it would be a virulent human pathogen.”

However, if Mars life is related to terrestrial life, Conley said, “that makes it much harder to distinguish from Earth contamination — and also, just like diseases that jump species, more likely to affect us, too.”

Follow us on Twitter @Spacedotcom and on Facebook. 

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Exploring ecological networks in a digital world | News | Vancouver Island University | Canada – Vancouver Island University News

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Getting to know Samantha Letourneau

By day, Samantha Letourneau is Vancouver Island University’s Canada Learning Bond project lead and Volunteer Tutor Coordinator. She’s also a musician and dancer and for the past two years, she’s been collaborating with Swedish artist Mårten Spångberg, thanks to funding obtained through Crimson Coast Dance, to create a digital art installation that goes live on Friday, April 26. A launch event takes place at Black Rabbit restaurant in the Old City Quarter that night. Samantha is also hosting a creative process workshop on April 27 and 28.

Can you share a bit about your background as an artist and how you got into it?

I have been working in art for a very long time, as a musician and dancer as well as an art administrator and program coordinator. I started music at the age of 11 and dance came later in my life in my early 20s. I always wanted to do dance, but I grew up in a small community in Yellowknife and at that time the only dance classes available were highland dancing, which I was not very interested in. 

In my early 20s while living in Vancouver, I took classes in contemporary dance and was fortunate to land a small part in the Karen Jameison Dance company for a piece called The River. The River was about rivers and connection between the reality of a real and physical outdoor river and the different reality of “the river within.” It was both a piece of art and outreach for the community. It included working with the S’pak’wus Slu’lum Dancers of the Squamish Nation. Somewhat ground-breaking for 1998.

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From there I was hooked and wanted to do more in dance. I studied a lot and took many classes. Fast forward to now, I have been involved with productions and performances with Crimson Coast Dance for more than 15 years and greatly appreciate the talent and innovation that Artistic Director Holly Bright has brought to this community. She is amazing and very supportive of artists in Nanaimo.

How did this international exchange come about?

The Nordic/Nanaimo exchange is one of the innovative projects Holly created. At the height of the pandemic, funded by BC Arts Council and Made In BC, Crimson Coast Dance embarked on a project that explored the ways in which Nanaimo artists could participate in online exchanges. 

Two artists in Nanaimo – myself and Genevieve Johnson – were introduced to artists from Europe and supported through this international exchange. My collaborator, Mårten Spångberg, is a Swedish artist living and working in Berlin. An extension of that exchange is funded by Canada Council for the Arts – Digital Now.

What brought Mårten and myself together – and I quote Mårten here – is “questions around climate change, ecology and the influence contemporary society has on its environments. We are not interested in making art about the ecological crises or informing our audience about the urgency that climate change implies, but instead through our research develop work that in itself proposes, practices and engages in alternative ecologies.”

We share an understanding that art is a unique place, in the sense of practice, activation, performance and event, through which alternative ecologies can emerge and be probed and analyzed.

Tell us about the launch event.

We are launching the digital art installation that Mårten and I created on April 26 at The Attic at Black Rabbit Restaurant. The event is free to attend but people must sign up as seating is limited. I produced video art with soundscapes that I recorded mixing field recordings with voice and instrumentation. Marten explores text, imagery and AI.

My focus is on the evolving and ongoing process of how we communicate with each other and to nature within a digital context.

During our collaboration, Mårten and I talked about networks, though not just the expansive digital network of the internet but of nature. We shared thoughts on mycelium, a network of fungal threads or hyphae, that lately has received much attention on the importance of its function for the environment, including human beings.

Building off this concept, ideas of digital and ecological landscapes being connected emerged. From this we worked both collaboratively and individually to produce material for this digital project. Mårten will be there via Zoom as well and we will talk about this two-year process and the work we created together.

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Voyager 1 transmitting data again after Nasa remotely fixes 46-year-old probe – The Guardian

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Earth’s most distant spacecraft, Voyager 1, has started communicating properly again with Nasa after engineers worked for months to remotely fix the 46-year-old probe.

Nasa’s Jet Propulsion Laboratory (JPL), which makes and operates the agency’s robotic spacecraft, said in December that the probe – more than 15bn miles (24bn kilometres) away – was sending gibberish code back to Earth.

In an update released on Monday, JPL announced the mission team had managed “after some inventive sleuthing” to receive usable data about the health and status of Voyager 1’s engineering systems. “The next step is to enable the spacecraft to begin returning science data again,” JPL said. Despite the fault, Voyager 1 had operated normally throughout, it added.

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Launched in 1977, Voyager 1 was designed with the primary goal of conducting close-up studies of Jupiter and Saturn in a five-year mission. However, its journey continued and the spacecraft is now approaching a half-century in operation.

Voyager 1 crossed into interstellar space in August 2012, making it the first human-made object to venture out of the solar system. It is currently travelling at 37,800mph (60,821km/h).

The recent problem was related to one of the spacecraft’s three onboard computers, which are responsible for packaging the science and engineering data before it is sent to Earth. Unable to repair a broken chip, the JPL team decided to move the corrupted code elsewhere, a tricky job considering the old technology.

The computers on Voyager 1 and its sister probe, Voyager 2, have less than 70 kilobytes of memory in total – the equivalent of a low-resolution computer image. They use old-fashioned digital tape to record data.

The fix was transmitted from Earth on 18 April but it took two days to assess if it had been successful as a radio signal takes about 22 and a half hours to reach Voyager 1 and another 22 and a half hours for a response to come back to Earth. “When the mission flight team heard back from the spacecraft on 20 April, they saw that the modification worked,” JPL said.

Alongside its announcement, JPL posted a photo of members of the Voyager flight team cheering and clapping in a conference room after receiving usable data again, with laptops, notebooks and doughnuts on the table in front of them.

The Retired Canadian astronaut Chris Hadfield, who flew two space shuttle missions and acted as commander of the International Space Station, compared the JPL mission to long-distance maintenance on a vintage car.

“Imagine a computer chip fails in your 1977 vehicle. Now imagine it’s in interstellar space, 15bn miles away,” Hadfield wrote on X. “Nasa’s Voyager probe just got fixed by this team of brilliant software mechanics.

Voyager 1 and 2 have made numerous scientific discoveries, including taking detailed recordings of Saturn and revealing that Jupiter also has rings, as well as active volcanism on one of its moons, Io. The probes later discovered 23 new moons around the outer planets.

As their trajectory takes them so far from the sun, the Voyager probes are unable to use solar panels, instead converting the heat produced from the natural radioactive decay of plutonium into electricity to power the spacecraft’s systems.

Nasa hopes to continue to collect data from the two Voyager spacecraft for several more years but engineers expect the probes will be too far out of range to communicate in about a decade, depending on how much power they can generate. Voyager 2 is slightly behind its twin and is moving slightly slower.

In roughly 40,000 years, the probes will pass relatively close, in astronomical terms, to two stars. Voyager 1 will come within 1.7 light years of a star in the constellation Ursa Minor, while Voyager 2 will come within a similar distance of a star called Ross 248 in the constellation of Andromeda.

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iN PHOTOS: Nature lovers celebrate flora, fauna for Earth Day in Kamloops, Okanagan | iNFOnews | Thompson-Okanagan's News Source – iNFOnews

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This frog was spotted in a pond in the Kamloops area.
Image Credit: SUBMITTED/ Lyn MacDonald

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Photographers are sharing their favourite photos of flora and fauna captured in Kamloops and the Okanagan in celebration of Earth Day.

First started in the United States in the 70s, the special day on April 22 continues to be acknowledged around the globe. It’s a day to celebrate the planet and a reminder of the need for environmental conservation and sustainability, according to EarthDay.org.

These stunning nature photos show life in ponds and forests, in skies and on mountains, capturing the beauty and wonder of our local natural environments.

Area photographers shared some of their favourite finds and artistic captures. From frogs to flowers, the great outdoors is teeming with life. 

If you have nature photos you want to share, send them to news@infonews.ca.

The sun is touching the closed petals of a flower in Pinantan Lake near Kamloops.

The sun is touching the closed petals of a flower in Pinantan Lake near Kamloops.
Image Credit: SUBMITTED/ Patricia Hanson
This Great Grig was recently spotted in Penticton.

This Great Grig was recently spotted in Penticton.
Image Credit: SUBMITTED/ Luka Bevanda
 A snail appears to look at its reflection in a pond in the Slocan Valley.

A snail appears to look at its reflection in a pond in the Slocan Valley.
Image Credit: SUBMITTED/ Lyn MacDonald
A mother and baby coot paddle on a lake in Salmon Arm.

A mother and baby coot paddle on a lake in Salmon Arm.
Image Credit: SUBMITTED/ Grant Cruickshank
A wildflower bursts with colour in the South Thompson.

A wildflower bursts with colour in the South Thompson.
Image Credit: SUBMITTED/ Ann Steenhuysen
These pink flowers look like a string of decorations in Kamloops.

These pink flowers look like a string of decorations in Kamloops.
Image Credit: SUBMITTED/ Lyn MacDonald
A Townsend's Solitaire swoops into the air at Tunkwa Lake near Savona.

A Townsend’s Solitaire swoops into the air at Tunkwa Lake near Savona.
Image Credit: SUBMITTED/ Valerie Walsh
This flower in Kelowna is covered with raindrops.

This flower in Kelowna is covered with raindrops.
Image Credit: SUBMITTED/ Wendy Eiler

To contact a reporter for this story, email Shannon Ainslie or call 250-819-6089 or email the editor. You can also submit photos, videos or news tips to the newsroom and be entered to win a monthly prize draw.

We welcome your comments and opinions on our stories but play nice. We won’t censor or delete comments unless they contain off-topic statements or links, unnecessary vulgarity, false facts, spam or obviously fake profiles. If you have any concerns about what you see in comments, email the editor in the link above. SUBSCRIBE to our awesome newsletter here.

News from © iNFOnews, 2024

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