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When it arrives on Mars, the ESA’s Rosalind Franklin rover will join a growing fleet of robotic rovers, landers, and orbiters dedicated to searching for life on Mars. As part of the Exomars program, this mission was a collaborative effort between the ESA and the Russian State Space Corporation (Roscosmos). Whereas the ESA would provide the rover, Roscosmos was to provide the launch services and the Kazachok lander that would deliver Rosalind Franklin to the surface.

After many years of development, testing, and some delays, the Rosalind Franklin rover passed its System Qualification and Flight Acceptance Review in March. The Review Board confirmed that the rover was ready to be shipped to the launch site at Baikonur Cosmodrome and would make the launch window opening on September 20th, 2022. Unfortunately, due to the suspension of cooperation with Roscosmos, the ESA’s rover finds itself stranded on Earth for the time being.

The decision to suspend cooperation was reached by the ESA’s ruling Council, which met in Paris from March 16th to 17th to assess the Russian invasion of Ukraine and the effect this would have on inter-agency cooperation. The Council ruled unanimously, declaring that:

it was impossible, at present, to carry out the ongoing cooperation with Roscosmos on the ExoMars rover mission with a launch in 2022and mandated that the ESA Director General take appropriate steps to suspend the cooperation activities accordingly;the ESA Director General was authorized to fast-track an industrial study to better define the available options for a way forward to implement the ExoMars rover mission.
Exomars 2020 rover ESA
The ExoMars 2016 mission will pave the way for a rover mission to the Red Planet in 2020. Credit: ESA

With the 2022 launch suspended, the Exomars elements – the Rosalind Franklin rover, the spacecraft that will transport it to Mars, and the Carrier and Decent modules (CM/DM) – are being sent to a Thales Alenia Space storage site in Italy, where they will await further instruction. Based on the decision by the ESA Member States at the Council meeting, a fast-track industrial study will commence assessing all available options to make the Exomars 2022 mission happen in the near future.

In particular, the teams will be looking for the earliest possible launch opportunity depending on one of two scenarios. For the first, the ESA will attempt to develop all necessary technologies to support a Europea-led mission – i.e., launching from a member state using an ESA launch vehicle provider (such as Arianespace). In the second, the team will assess the possibility of launching with international partners and the availability of compatible launchers and a launch site.

David Parker, Director of Human and Robotic Exploration at ESA, conveyed an optimistic attitude about the future of the ExoMars program. Considering the time and effort the ESA had devoted to this mission, plus the valued contributions it will make to the ongoing exploration of Mars, the ESA is not about to abandon it. As he said in a recent ESA press release:

“I hope that our Member States will decide that this is not the end of ExoMars, but rather a rebirth of the mission, perhaps serving as a trigger to develop more European autonomy. We count on brilliant teams and expertise across Europe and with international partners to reshape and rebuild the mission. The team is dedicated and focused on setting out the next steps to ensure we bring this incredible rover to Mars to complete the job it was designed for.”

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Reader Appreciation Sale: Join The Big Outside for 30% Off

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Dear reader,

I love the holidays, partly because I make a point of spending a lot of time outside with family and friends. But it’s also a time when I reflect on how much I enjoy my lifestyle—and how much I appreciate readers like you who follow and support my blog. To show my appreciation, I have a special gift for you.

Right now, I’m offering you 30% off the cost of a one-year subscription to The Big Outside.

That means you get full access to all stories at my blog—including my many stories about the trips I’ve taken, with my expert tips on planning them—for $41.97 instead of the usual cost of $59.95 for a full year, or just $3.50 a month.

That’s the biggest discount I offer on a subscription all year—just in time to start researching your trips for next year. Don’t miss out!

Go to my Join page now and click on the Subscribe button under the Annual subscription option (Best Value: $4.99/Month). Enter discount code TBO30 and the price will reset to $41.97. Then just fill out the form and complete the purchase. The 30% discount applies only to a one-year subscription. You also get one free or deeply discounted e-guide, a $12.95 value; I’ll personally email you the discount code for that after you subscribe.

Go to my Join page now and subscribe for a year for just $3.50 a month!

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Hi, I’m Michael Lanza, creator of The Big Outside. Click here to sign up for my FREE email newsletter. Join The Big Outside to get full access to all of my blog’s stories. Click here for my e-guides to classic backpacking trips. Click here to learn how I can help you plan your next trip.

Michael Lanza of The Big Outside above Macon Lake and Washakie Lake on the Washakie Pass Trail in the Wind River Range, Wyoming.
” data-image-caption=”Me above Macon Lake and Washakie Lake on the Washakie Pass Trail in the Wind River Range, Wyoming; and in Death Hollow in southern Utah (lead photo, above).
” data-medium-file=”https://i0.wp.com/thebigoutside.com/wp-content/uploads/2022/11/Wind9-53-Me-above-Macon-Lake-and-Washakie-Lake-on-the-Washakie-Pass-Trail-in-the-Wind-River-Range-WY.jpg?fit=300%2C200&ssl=1″ data-large-file=”https://i0.wp.com/thebigoutside.com/wp-content/uploads/2022/11/Wind9-53-Me-above-Macon-Lake-and-Washakie-Lake-on-the-Washakie-Pass-Trail-in-the-Wind-River-Range-WY.jpg?fit=900%2C600&ssl=1″ src=”https://i0.wp.com/thebigoutside.com/wp-content/uploads/2022/11/Wind9-53-Me-above-Macon-Lake-and-Washakie-Lake-on-the-Washakie-Pass-Trail-in-the-Wind-River-Range-WY.jpg?resize=900%2C600&ssl=1″ alt=”Michael Lanza of The Big Outside above Macon Lake and Washakie Lake on the Washakie Pass Trail in the Wind River Range, Wyoming.” class=”wp-image-61100″ srcset=”https://i0.wp.com/thebigoutside.com/wp-content/uploads/2022/11/Wind9-53-Me-above-Macon-Lake-and-Washakie-Lake-on-the-Washakie-Pass-Trail-in-the-Wind-River-Range-WY.jpg?resize=1024%2C683&ssl=1 1024w, https://i0.wp.com/thebigoutside.com/wp-content/uploads/2022/11/Wind9-53-Me-above-Macon-Lake-and-Washakie-Lake-on-the-Washakie-Pass-Trail-in-the-Wind-River-Range-WY.jpg?resize=300%2C200&ssl=1 300w, https://i0.wp.com/thebigoutside.com/wp-content/uploads/2022/11/Wind9-53-Me-above-Macon-Lake-and-Washakie-Lake-on-the-Washakie-Pass-Trail-in-the-Wind-River-Range-WY.jpg?resize=768%2C512&ssl=1 768w, https://i0.wp.com/thebigoutside.com/wp-content/uploads/2022/11/Wind9-53-Me-above-Macon-Lake-and-Washakie-Lake-on-the-Washakie-Pass-Trail-in-the-Wind-River-Range-WY.jpg?resize=150%2C100&ssl=1 150w, https://i0.wp.com/thebigoutside.com/wp-content/uploads/2022/11/Wind9-53-Me-above-Macon-Lake-and-Washakie-Lake-on-the-Washakie-Pass-Trail-in-the-Wind-River-Range-WY.jpg?w=1200&ssl=1 1200w” sizes=”(max-width: 900px) 100vw, 900px” data-recalc-dims=”1″ />Me above Macon Lake and Washakie Lake on the Washakie Pass Trail in the Wind River Range, Wyoming; and in Death Hollow in southern Utah (lead photo, above).

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The Early Universe Had No Problem Making Barred Spiral Galaxies

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Spiral galaxies like the Milky Way are like cosmic snowflakes—no two are exactly alike. For many years, astronomers thought spirals couldn’t exist until the universe was about half its present age. Now, a newly discovered galaxy in the early Universe is challenging that idea.

CEERS-2112 is an early “cosmic snowflake” with spiral arms and a bar across its middle. The amazing thing is that it’s showing this structure when the Universe was only 2 billion years old. That’s about five billion years earlier than astronomers expected something like that to exist. The fact that a perfectly formed spiral exists so early tells us that our ideas about galaxy formation in early cosmic history need some re-tuning.

Surveying the Early Universe

This galaxy showed up in a survey done by the JWST called “Cosmic Evolution Early Release Science” (CEERS). It uses JWST imaging and spectroscopy to do a survey of the early Universe to find the earliest galaxy. The analysis of the CEERS-2112 galaxy was done by an international team led by astronomer Luca Constantin of the Centro de Astrobiología in Spain.

CEERS results should show astronomers the early populations of galaxies at high redshifts (distances). They will also help them estimate related star-formation conditions and black hole growth. Finally, the work should give some insight into the formation of galaxy disks and bulges. Essentially, CEERS data should add to our store of knowledge about first light and reionization (which occurred after the Big Bang) and explain the formation and evolution of early galaxies.

Early deep-field images of very distant galaxies show shreds of galaxies and irregular clumps of stars in the early Universe. That was evident in some of the first Hubble Deep-Field images. The most distant ones in the images looked more blobby and indistinct. And, some of them appeared to be colliding, which fits into the collisional model of galaxy formation.

This view of nearly 10,000 galaxies is called the Hubble Ultra Deep Field. It shows some galaxies in the early Universe, (which appear as red blobs). Credit: NASA/ESA/HUDF
This view of nearly 10,000 galaxies is called the Hubble Ultra Deep Field. It shows some galaxies in the early Universe, (which appear as red blobs). Credit: NASA/ESA/HUDF

Forming Galaxies in the Early Universe

Prior to the Hubble and JWST eras, astronomers really felt that it would take a long time to form spiral galaxies. They often describe a hierarchical model of galaxy formation. That’s where smaller clumpy galaxies collide to form larger ones. Over time, those objects begin to develop structures like spiral arms and bars.

“In such galaxies, bars can form spontaneously due to instabilities in the spiral structure or gravitational effects from a neighboring galaxy,” according to astronomer and team member Alexander de la Vega. He is a post-doctoral researcher currently at the University of California Riverside. “In the past, when the Universe was very young, galaxies were unstable and chaotic. It was thought that bars could not form or last long in galaxies in the early universe.”

The spiral arms are likely the result of density waves moving through the galaxy. The bars also form from density waves radiating out from the center. That compresses material in the arms and bars, leading to bursts of star formation. That could explain why these regions in galaxies seem brighter, with their populations of hot young stars. All of this takes time to accomplish. That’s why astronomers suggested that it would take about half the age of the Universe to form spiral galaxies.

CEERS-2112 is Part of the Early Universe

CEERS-2112 upends the discussion about spiral formation, according to de la Vega. “Finding CEERS-2112 shows that galaxies in the early Universe could be as ordered as the Milky Way,” he said. “This is surprising because galaxies were much more chaotic in the early Universe and very few had similar structures to the Milky Way.”

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Apollo Samples Contain Hydrogen Hurled from the Sun

regolith jpeg

According to the U.S. National Academies of Sciences, Engineering, and Medicine, men should drink 3.7litres of water a day and women 2.7litres. Now imagine a crew of three heading to the Moon for a 3 week trip, that’s something of the order of 189 litres of water, that’s about 189 kilograms! Assuming you have to carry all the water rather than recycle some of it longer trips into space with more people are going to be logistically challenging for water carriage alone. Researchers from the U.S. Naval Research Laboratory (NRL) have discovered lunar rocks with hydrogen in them which, when combined with lunar oxygen provide a possibly supply for future explorers.

A total of 382 kilograms of rock was brought back from the Moon by the Apollo program (I weigh about 80kg so that’s almost five of me in weight – and its all muscle I promise!) Some of the samples were immediately studied while others were sealed for future research hoping that future instrumentation would be more sensitive.

A research team from NRL, led by Katherine D. Burgess and team members Brittany A. Cymes and Rhonda M. Stroud, have recently announced their findings whilst studying some of the lunar rock. They wanted to understand the source of water on the Moon and to understand its formation. Future lunar exploration especially permanent lunar bases will rely heavily upon existing lunar resources. The paper articulates “Effective use of the resource depends on developing an understanding of where and how within the regolith the water is formed and retained”.

Image showing Buzz Aldrin's footprint in the dusty lunar regolith - Credit NASA
Buzz Aldrin’s footprint in the lunar regolith – the soft powdery material found over the surface of the Moon (Credit – NASA)

Transmission electron microscopy was used as part of the study to explore lunar sample 79221. The technique utilises a particle beam of electrons to visualise specimens and generate a highly magnified image. In particular, the team looked at grains of the minerals apatite and merrillite and discovered signs of ‘space’ weathering due to the solar wind. The solar wind is a stream of charged particles that rush outward from the Sun at speeds of up to 1.6 million km per hour!

They found hydrogen signatures in samples in vesicles – small holes left behind after lava cools. The discovery confirms that solar wind is being trapped in detectable quantities proving a potential reservoir that could be accessible to future explorers.

Hydrogen itself is a tremendously useful resource and if that can be mined from the lunar surface material it can aide many aspects of exploration. The real buzz around the discovery is that it may finally resolve the mystery about the origins of lunar water and that it might well be the result of chemical interactions between the solar wind and lunar rocks. If we can understand the origins of the lunar water – and we may finally be close to that now – then we can be sure we use it effectively to reach out further into the Solar System.

Source : Hydrogen detected in lunar samples, points to resource availability for space exploration

The post Apollo Samples Contain Hydrogen Hurled from the Sun appeared first on Universe Today.

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