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Welcome to Astronomy Daily, your source for the latest space and astronomy
1:06
news. I'm Anna. And I'm Avery. It's Monday, February 9th, 2026, and we've got a
1:12
fascinating lineup for you today. We certainly do, and there's a definite
1:16
theme emerging in our first three stories. It seems everyone's headed to the
1:21
Moon. We're talking SpaceX, European Aerospace, and NASA's Artemis program,
1:26
all-making lunar headlines. That's right. Beyond the Moon focus, we'll also
1:31
explore new discoveries about auroras, solve a 40-year mystery about Uranus, and
1:36
catch up with SpaceX's return to flight after a brief grounding. Let's dive
1:41
right in with what might be the biggest surprise in Space News this week. In a
1:46
major strategic pivot, Elon Musk announced Sunday that SpaceX is putting its
1:51
long-standing Mars colonization plans on the back burner to prioritize
1:56
establishing a settlement on the Moon. This is quite the reversal Avery. For years,
2:01
Musk has been the biggest cheerleader for Mars, making it almost synonymous with
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SpaceX's identity. What prompted the shift? It comes down to practicality and
2:12
timelines. According to Musk's post on X, SpaceX believes they can achieve a
2:17
self-growing city on the Moon in less than 10 years, whereas Mars would take
2:22
20 plus years. The key difference is launch windows. Right. The orbital mechanics
2:28
are completely different. You can only travel to Mars when the planets align
2:32
every 26 months, but launches to the Moon can happen every 10 days. That's a
2:38
massive advantage for rapid iteration and development. Exactly. Musk said
2:43
easier access means they can iterate much faster to complete a Moon city than a
2:47
Mars city. And this isn't just about SpaceX's preferences. It also aligns with
2:52
President Trump's Space Policy Director from late last year, which focused on
2:57
getting Americans to the Moon by 2028 under the Artemis program. SpaceX is a
3:02
major contractor for Artemis, so this alignment makes perfect business sense. But
3:08
I have to ask, what about all those Mars promises? Musk has blown through several
3:13
previous estimates before. He has indeed. Back in 2016, he said passengers could
3:19
take off for Mars as soon as 2024. And in 2011, he told the Wall Street Journal
3:24
it would be 10 to 20 years. But he's not completely abandoning Mars. Musk says
3:30
SpaceX will still strive to build a Mars city and will begin doing so in about
3:34
five to seven years. So it's more of a reprioritization than a complete
3:39
abandonment. The Moon becomes the proving ground. The place where they perfect
3:44
the technologies and techniques needed for off-world settlement and then those
3:48
lessons get applied to Mars. That's the plan. It's actually a more measured
3:53
approach than what we've heard from Musk in the past. Let reality and results
3:58
guide the timeline rather than ambitious predictions. While SpaceX refocuses
4:03
on the Moon, Europe is also making moves in that direction. German Space
4:07
Technology Company OHB announced it has established a new subsidiary called
4:13
the European Moon Port Company. This is interesting timing. The company was
4:17
actually founded back in May 2025. But they only made it public on February
4:23
4th. The CEO Marco Fuchs said they're supporting Europe's ambition to
4:27
establish a permanent presence on the Moon independently.
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Independently is the key word there. What exactly will this company do? In the
4:37
near term, it's primarily consolidating OHB's existing Moon-related activities.
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They're already involved as a subcontractor on several European lunar
4:46
missions, including providing subsystems for European Space Agency's
4:50
Argonaut lunar lander, which is expected to launch in 2031. And they're also
4:56
working on the Esprit module for NASA's Lunar Gateway Space Station, right?
5:01
Correct. These contributions are part of Europe's
5:04
barter arrangements with NASA to secure flight opportunities for European
5:08
astronauts to the gateway. But OHB has bigger visions. They unveiled a concept for
5:14
a central launch and landing base on the lunar surface, developed with Munich
5:18
Airport International. An airport on the Moon, though I imagine it's more
5:24
concept than concrete plan at this stage. You're right. The article describes it
5:29
as a high-level concept, basically a model used for the press event. But here's
5:34
where it gets politically interesting. OHB's press release claimed Germany
5:39
took a lead role in lunar exploration at Issa's November 2025
5:43
ministerial council meeting. I sense some skepticism in that phrasing.
5:49
Well, the evidence doesn't quite support that claim. While Germany contributed
5:53
the largest single share to exploration at 885 million euros,
5:59
that contribution was made at the program level rather than being specifically
6:03
earmarked for the moon. Based on element level commitments, Italy actually
6:08
committed the largest share to Issa's moon exploration element at 284 million euros.
6:14
So perhaps more aspiration than actual leadership at this point.
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Still, it shows Europe recognizes the moon's strategic importance
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and doesn't want to be left behind. Absolutely. This is the second such
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specialized company OHB has founded recently. They established the European
6:31
spaceport company in November 2025. It shows they're serious about building
6:36
infrastructure for the new space economy. Speaking of getting to the moon,
6:40
let's check in on NASA's Artemis 2 mission. There have been some developments
6:45
since the wet dress rehearsal that concluded on February 3rd.
6:49
Yes, and it's a bit of good news, bad news situation.
6:52
Technicians discovered higher than allowable hydrogen gas concentrations
6:56
during the test and have been working to address the issue.
6:59
What exactly was the problem? The elevated gas levels were found in the
7:03
tail service mast umbilical on the mobile launcher.
7:07
Once the rocket's tanks were drained of cryogenic propellant,
7:10
technicians immediately accessed the area and replaced two seals around the
7:14
fueling lines. These tail service masts are pretty critical, right?
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They're about three stories tall and provide the cryogenic propellant
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lines and electrical connections to the core stage.
7:26
Exactly. They tilt back before launch and include quick disconnect mechanisms
7:30
that instantaneously separate at liftoff. Getting these seals right is crucial for a safe launch.
7:36
Engineers are analyzing the removed seals and developing plans to address all issues
7:41
ahead of the next wet dress rehearsal. When did they expect to complete the repairs?
7:45
Reconnecting the interfaces is expected to be complete today, February 9th.
7:50
They're also planning testing at NASA's Stenson Space Center in Mississippi
7:53
to evaluate additional dynamics of the plates and their reviewing options to test the repair work
7:59
prior to the next wet dress rehearsal. I noticed they're also making some operational
8:04
changes for the next rehearsal. Right, they're streamlining to focus on fueling activities.
8:09
The Orion crew module hatch will be closed prior to the test and the closeout crew won't be
8:14
deployed to the launch pad. The crew access arm won't be retracted since they successfully
8:19
demonstrated the ground launch sequencer can retract it during the countdown.
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And they've added extra hold time?
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Yes, 30 minutes of extra time during each of two planned holds in the countdown,
8:30
giving them more troubleshooting capacity. The total countdown increases by one hour,
8:35
but it won't affect the crew's timeline on launch day.
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What about the astronauts? Read Wiseman, Victor Glover, Christina Coach, and Jeremy Hansen
8:44
must be eager to get going. They've emerged from quarantine and continuing training
8:49
activities, reviewing flight day details and ensuring their familiarity with Orion's systems
8:54
is second nature. NASA still eyes March as a next potential launch opportunity,
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but they won't set a targeted date until after a successful wet dress rehearsal and data review.
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Patients and precision. That's what it takes to safely send humans beyond low-earth orbit for
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the first time in over 50 years. From the moon to phenomena much closer to home,
9:17
an international research team has finally answered a question that's puzzled scientists
9:21
for decades. What powers the electrical fields that accelerate particles to create auroras?
9:28
The northern and southern lights are one of nature's most spectacular displays,
9:33
but we're still learning about the fundamental physics behind them. What did they discover?
9:38
Researchers from the University of Hong Kong and UCLA found that plasma waves traveling
9:43
alongverse magnetic field lines called alpha waves act as a natural accelerator. These waves
9:50
supply the energy that drives charged particles into the atmosphere producing auroras.
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How did they figure this out? They analyze data from multiple Earth-orbiting satellites,
10:00
including NASA's Van Allen probes and the Thames mission. The data showed how these alpha
10:06
waves maintain the electric fields that would otherwise dissipate by continuously transferring energy
10:12
to the acceleration region. Though it's a sustained process, not just a one-time jolt of energy.
10:18
Exactly. Professor Zhang Hua Yao from HKU who leads the team said this discovery not only provides
10:25
a definitive answer to the physics of Earth's aurora, but also offers a universal model applicable
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to other planets in our solar system and beyond. That's the really exciting part. His team has
10:37
long focused on auroral processes of giant planets like Jupiter and Saturn. By applying that planetary
10:44
knowledge to the high-resolution data available near Earth, they've bridged the gap between Earth
10:49
science and planetary exploration. It's a perfect example of how interdisciplinary expertise advances
10:56
are understanding. The UCLA team brought deep knowledge of Earth's auroral physics,
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while the HKU team contributed their expertise in planetary magnetospheres.
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And now we can apply these insights to understanding auroras on Jupiter, Saturn, and potentially
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exoplanets with magnetic fields. It's fascinating how solving one mystery opens doors to understanding
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phenomena across the universe. Speaking of planetary mysteries, let's head to the outer solar system
11:26
and revisit unannomely from 1986. Remember when Voyager 2 flew past Uranus and detected unexpectedly
11:33
high radiation levels? That flyby has puzzled scientists for nearly 40 years. The radiation readings
11:40
were much higher than anticipated based on our understanding of planetary radiation systems.
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What's the explanation? New research published in geophysical research letters suggest that Uranus
11:52
was experiencing a rare space weather event during Voyager 2's visit, a solar wind disturbance
11:59
called a co-rotating interaction region, or CIR. These are the same kind of events that affect
12:05
Earth's radiation belts, right? Exactly. CIRs occur when fast solar wind streams overtake slower
12:12
ones, creating a region of increased energy. Dr. Robert Allen from the Southwest Research Institute
12:19
led the study and said they took a comparative approach, looking at Voyager 2 data alongside
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Earth observations made in the decade since. So basically Voyager 2 just happened to visit Uranus
12:31
during a cosmic storm. That's the working theory. On Earth, these events can dramatically accelerate
12:37
electrons in our radiation belts. Dr. Sarah Vines, a co-author, pointed out that in 2019, Earth
12:44
experienced one of these events that caused an immense amount of radiation belt electronic
12:50
acceleration. If a similar mechanism interacted with the Uranian system, it would explain the
12:56
unexpected energy Voyager 2 detected. It's remarkable that we're still extracting new insights from
13:02
data collected almost 40 years ago. What are the implications for future missions? Dr. Allen says
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this is just one more reason to send a mission targeting Uranus. The findings have important
13:14
implications for similar systems like Neptune's magnetosphere. Understanding how solar wind and
13:20
radiation belts interact across different planetary systems helps us refine our models of space
13:26
weather throughout the solar system. And it reminds us that single fly-by observations while
13:32
invaluable can catch planets in unusual states. We need return missions to build a complete
13:38
picture. Absolutely. Uranus remains one of the least understood planet in our solar system,
13:44
and this discovery makes the case for a dedicated orbiter mission even stronger.
13:48
Finally, let's bring things back to current operations. SpaceX successfully resumed Falcon 9
13:55
flights on Saturday, just five days after standing down due to an upper stage anomaly.
14:01
The return flight came with a Starlink mission from Vandenberg Space Force Base in California.
14:06
The Falcon 9 lifted off at 12.58 pm local time carrying 25 Starlink satellites.
14:12
And everything went smoothly this time?
14:15
Perfectly. The satellites were deployed as planned about an hour after liftoff.
14:19
The first stage booster, making its 13th flight, successfully landed on the drone chip,
14:24
of course I still love you in the Pacific Ocean. Most importantly, the upper stage performed as
14:30
expected. That's a relief after the February 2nd incident. What exactly happened during that flight?
14:37
After successfully deploying its Starlink payload, the upper stage experienced what SpaceX called an
14:42
off-normal condition. A gas bubble formed in the transfer tube ahead of the planned
14:47
the orbit burn, preventing the stage from reigniting. The vehicle then performed as designed to
14:53
passivate the stage, which re-entered over the southern Indian Ocean about 10.5 hours later.
14:59
Though it wasn't a catastrophic failure, but it wasn't nominal either. How quickly did SpaceX turn
15:06
this around? Impressively fast, they submitted a report to the FAA including the likely cause and
15:12
corrective actions. The FAA cleared them to resume launches earlier this week, and here we are,
15:18
back to flying. This was SpaceX's 15th launch of 2026. With over 9,600 active Starlink satellites
15:27
now in orbit, these launches have become almost routine, but each one still requires meticulous
15:33
attention to safety and reliability. Absolutely. And speaking of Starlink, this particular mission
15:39
added 25 more satellites to the constellation, continuing to expand global broadband coverage.
15:46
What a lineup today, from SpaceX's strategic pivot to the moon to Europe's lunar ambitions,
15:52
NASA's Artemis preparations, and fascinating planetary science discoveries.
15:57
The moon is definitely having a moment. It's exciting to see this renewed focus on our nearest
16:02
neighbor, not just for scientific exploration, but for permanent human settlement.
16:08
And solving mysteries about auroras and Uranus reminds us that they're still so much to learn,
16:14
both in our cosmic backyard and in data we collected decades ago.
16:18
That's it for today's episode of Astronomy Daily. Thanks for joining us.
16:22
For the latest space and astronomy news, visit our website at astronomydaily.io.
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You can also find us on social media at AstroDailyPod.
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Don't forget to subscribe wherever you get your podcasts so you never miss an episode.
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Clear skies everyone. And keep looking up.
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