- Interstellar Comet 3I ATLAS Captured by Gemini South Telescope: The Gemini South Telescope has unveiled stunning new images of interstellar comet 3I ATLAS, the third known comet from outside our solar system. Discovered on July 1, 2025, this comet is becoming increasingly active as it approaches the Sun, developing a prominent tail and a glowing coma. Its composition resembles that of comets from our solar system, suggesting consistent formation processes across different star systems. This ancient relic is expected to provide astronomers with unprecedented opportunities to study its interactions with our solar system.
- Comet LEMMON (C 2025 A6) Approaching Earth: Get ready for Comet LEMMON, expected to be visible to the naked eye in October! Discovered by the Mount Lemmon survey, it will make its closest approach on October 20, passing 55.41 million miles from Earth. Predictions for its brightness vary, with some suggesting it could reach magnitude 4 to 5, making it easily visible, while others estimate it could be around magnitude 7.3. The comet is expected to display a greenish hue, adding to its allure for skywatchers.
- James Webb Space Telescope Observations of Trappist1e: The James Webb Space Telescope has been studying Trappist1e, an Earth-sized planet in the habitable zone of a red dwarf star. Recent observations suggest that Trappist1e likely lost its primary atmosphere due to stellar flaring. However, hints of trace amounts of methane may indicate the presence of a secondary atmosphere. This research is crucial for understanding habitability around red dwarfs, which make up a significant portion of stars in our galaxy.
- Upcoming SpaceX CRS NG23 Mission: Tune in for the SpaceX CRS NG23 mission launching on September 14th at 8:11 PM ET. This mission will utilize a Northrop Grumman Cygnus XL spacecraft, capable of carrying significantly more cargo to the International Space Station. Viewers may also witness the booster’s return to launch site landing, making it a double feature of launch and landing excitement.
- For more cosmic updates, visit our website at astronomydaily.io. Join our community on social media by searching for #AstroDailyPod on Facebook, X, YouTubeMusic Music, TikTok, and our new Instagram account! Don’t forget to subscribe to the podcast on Apple Podcasts, Spotify, iHeartRadio, or wherever you get your podcasts.
- Thank you for tuning in. This is Avery and Anna signing off. Until next time, keep looking up and exploring the wonders of our universe.
Interstellar Comet 3I ATLs
[NASA](https://www.nasa.gov/)
Comet Lemon Details
[Astronomy](https://www.astronomy.com/)
James Webb Space Telescope Findings
[NASA](https://www.nasa.gov/)
SpaceX CRS NG23 Mission
[SpaceX](https://www.spacex.com/)
Astronomy Daily
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00:00:00 --> 00:00:03 Avery: Welcome to Astronomy Daily. I'm Avery, and
00:00:03 --> 00:00:05 as always, I'm joined by my co host, Anna.
00:00:05 --> 00:00:07 We're here to bring you the latest and most
00:00:07 --> 00:00:10 fascinating news from the cosmos. Breaking
00:00:10 --> 00:00:12 down complex discoveries into conversations
00:00:12 --> 00:00:14 you'd have with your space obsessed friends
00:00:14 --> 00:00:15 over coffee.
00:00:15 --> 00:00:18 Anna: Hey, everyone, I'm Anna. And wow, do
00:00:18 --> 00:00:20 we have an incredible lineup for you today.
00:00:20 --> 00:00:23 We're talking about not one, but two amazing
00:00:23 --> 00:00:25 comets making headlines right now. Plus some
00:00:25 --> 00:00:27 groundbreaking observations from the James
00:00:27 --> 00:00:30 Webb Space Telescope that are helping us
00:00:30 --> 00:00:32 understand what it's like on pot. Potentially
00:00:32 --> 00:00:34 habitable worlds beyond our solar system.
00:00:34 --> 00:00:36 Avery: That's right. And what makes today's, uh,
00:00:36 --> 00:00:38 episode especially exciting is that we're
00:00:38 --> 00:00:41 covering some truly rare cosmic visitors.
00:00:41 --> 00:00:44 Anna, when I first read about our first story
00:00:44 --> 00:00:46 today about interstellar comet
00:00:46 --> 00:00:49 3I ATLAS, I had to
00:00:49 --> 00:00:52 do a double take. We're talking about only
00:00:52 --> 00:00:54 the third known comet from outside
00:00:54 --> 00:00:55 our solar system.
00:00:56 --> 00:00:59 Anna: I know, right? It's absolutely mind blowing.
00:00:59 --> 00:01:02 Let's dive right into this because the Gemini
00:01:02 --> 00:01:05 South Telescope just captured some stunning
00:01:05 --> 00:01:07 new images of three I ATLAS. And what they're
00:01:07 --> 00:01:10 showing us is fascinating. This interstellar
00:01:10 --> 00:01:13 visitor was discovered on July 1,
00:01:13 --> 00:01:16 2025 by the Atlas survey in Chile. And
00:01:16 --> 00:01:18 it's becoming increasingly active as it
00:01:18 --> 00:01:20 travels through our inner solar system.
00:01:20 --> 00:01:22 Avery: So, Anna, help me understand this. When we
00:01:22 --> 00:01:24 say it's becoming more active, what exactly
00:01:24 --> 00:01:25 are we seeing?
00:01:26 --> 00:01:28 Anna: Great question. The latest Observations show
00:01:28 --> 00:01:31 that 3i ATLAS is developing a
00:01:31 --> 00:01:33 prominent tail and a glowing coma.
00:01:34 --> 00:01:36 That's the fuzzy atmosphere around the
00:01:36 --> 00:01:38 comet's nucleus. As it gets closer to our
00:01:38 --> 00:01:41 sun, the solar radiation is heating up the
00:01:41 --> 00:01:43 comet's surface, causing dust and ice to
00:01:43 --> 00:01:45 sublimate and create this beautiful glowing
00:01:45 --> 00:01:48 display. What's really remarkable is that the
00:01:48 --> 00:01:50 composition appears to be very similar to
00:01:50 --> 00:01:52 comets from our own solar system.
00:01:53 --> 00:01:55 Avery: That similarity in composition is what really
00:01:55 --> 00:01:58 gets me excited because it suggests that
00:01:58 --> 00:02:01 comet formation processes might be remarkably
00:02:01 --> 00:02:03 consistent across different star systems.
00:02:03 --> 00:02:05 I mean, think about it. This object formed
00:02:05 --> 00:02:08 around a, uh, completely different star,
00:02:08 --> 00:02:11 potentially billions of years ago, yet it's
00:02:11 --> 00:02:13 made of the same basic materials as comets we
00:02:13 --> 00:02:15 see regularly in our own neighborhood.
00:02:16 --> 00:02:19 Anna: Exactly. And speaking of age, Avery, here's
00:02:19 --> 00:02:21 something that blew my mind. Scientists think
00:02:21 --> 00:02:23 this could be the oldest comet we've ever
00:02:23 --> 00:02:26 observed. We're potentially looking at a
00:02:26 --> 00:02:28 relic from the very early universe, a time
00:02:28 --> 00:02:30 capsule that's been wandering through
00:02:30 --> 00:02:33 interstellar space for eons before finally
00:02:33 --> 00:02:34 making its way into our solar system.
00:02:35 --> 00:02:38 Avery: That's incredible. And it's not just passing
00:02:38 --> 00:02:40 through either. 3i ATLAS is going to make
00:02:40 --> 00:02:43 close passes by The Sun, Earth, Mars, and
00:02:43 --> 00:02:45 Jupiter. This gives astronomers an
00:02:45 --> 00:02:47 unprecedented opportunity to study an
00:02:47 --> 00:02:50 interstellar object up close as it interacts
00:02:50 --> 00:02:51 with our solar system.
00:02:52 --> 00:02:54 Anna: Those close approaches are going to provide
00:02:54 --> 00:02:57 us with so much valuable data. Every time we
00:02:57 --> 00:02:58 get a chance to study one of these
00:02:58 --> 00:03:00 interstellar visitors, we learn something new
00:03:00 --> 00:03:03 about how planetary systems form and evolve
00:03:03 --> 00:03:04 throughout the galaxy.
00:03:04 --> 00:03:07 Now, speaking of comets making news, we have
00:03:07 --> 00:03:09 another fascinating visitor to talk about.
00:03:09 --> 00:03:11 And this one might actually be visible to the
00:03:11 --> 00:03:11 naked eye.
00:03:12 --> 00:03:14 Avery: Oh, yes. Comet C 2025
00:03:14 --> 00:03:17 A6, also known as Comet
00:03:17 --> 00:03:19 LEMMON And this is the kind of story that
00:03:19 --> 00:03:22 gets amateur astronomers really excited,
00:03:22 --> 00:03:25 because there's a chance chance that people
00:03:25 --> 00:03:27 might be able to step outside in October and
00:03:27 --> 00:03:29 see this comet with their own eyes.
00:03:30 --> 00:03:32 Anna: That's right. This comet was discovered by
00:03:32 --> 00:03:35 the Mount Lemmon survey in Arizona, and it's
00:03:35 --> 00:03:37 approaching Earth right now. The closest
00:03:37 --> 00:03:39 approach will be on October 20th, when it'll
00:03:39 --> 00:03:42 pass by at about 55.41 million
00:03:42 --> 00:03:45 miles away. Now, that might sound far, but
00:03:45 --> 00:03:47 in cosmic terms, that's practically next
00:03:47 --> 00:03:47 door.
00:03:48 --> 00:03:50 Avery: And here's where it gets interesting for
00:03:50 --> 00:03:53 skywatchers. The comet will reach perihelion,
00:03:53 --> 00:03:55 its closest point to the sun, on November.
00:03:56 --> 00:03:59 But the brightness predictions are all over
00:03:59 --> 00:04:01 the place, which honestly makes this even
00:04:01 --> 00:04:03 more exciting because we're not quite sure
00:04:03 --> 00:04:05 what we're going to get exactly.
00:04:05 --> 00:04:07 Anna: Some predictions suggest it could reach
00:04:08 --> 00:04:10 magnitude 4 to + 5,
00:04:10 --> 00:04:13 which would make it easily visible to the
00:04:13 --> 00:04:15 naked eye, even from moderately light
00:04:15 --> 00:04:18 polluted areas. But other estimates
00:04:18 --> 00:04:21 put it at magnitude 7.3,
00:04:22 --> 00:04:24 which would require binoculars or a small
00:04:24 --> 00:04:25 telescope to see clearly.
00:04:26 --> 00:04:28 Avery: The uncertainty is part of what
00:04:28 --> 00:04:31 makes comet watching so thrilling. Comets
00:04:31 --> 00:04:33 are notoriously unpredictable. They can
00:04:33 --> 00:04:36 suddenly brighten dramatically, or
00:04:36 --> 00:04:39 sometimes they just fizzle out. For Comet
00:04:39 --> 00:04:41 Lemmon, the best viewing opportunities look
00:04:41 --> 00:04:43 like they'll be in early October. And
00:04:43 --> 00:04:46 starting October 12, it should be visible in
00:04:46 --> 00:04:47 the evening sky.
00:04:47 --> 00:04:50 Anna: And here's a fun detail for anyone planning
00:04:50 --> 00:04:53 to observe it. Comet LEMMON is expected
00:04:53 --> 00:04:55 to display a greenish color, which is
00:04:55 --> 00:04:58 likely caused by dicarbon molecules in its
00:04:58 --> 00:05:01 coma. That green glow is actually a
00:05:01 --> 00:05:04 pretty common feature in comets, and it
00:05:04 --> 00:05:06 creates this beautiful, otherworldly
00:05:06 --> 00:05:08 appearance against the night sky.
00:05:08 --> 00:05:11 Avery: What I find fascinating about this comet
00:05:11 --> 00:05:13 is its orbital period. It's
00:05:13 --> 00:05:14 approximately
00:05:14 --> 00:05:17 1 years.
00:05:17 --> 00:05:20 But here's the kicker. That period has
00:05:20 --> 00:05:22 actually been shortened due to an encounter
00:05:22 --> 00:05:25 with Jupiter. It's yet another
00:05:25 --> 00:05:27 example of how the giant planets in our solar
00:05:27 --> 00:05:30 system act as gravitational shepherds,
00:05:30 --> 00:05:33 influencing the paths of these cosmic
00:05:33 --> 00:05:34 wanderers.
00:05:34 --> 00:05:36 Anna: Jupiter really is the heavyweight champion of
00:05:36 --> 00:05:38 our solar system when it Comes to altering
00:05:38 --> 00:05:39 orbits.
00:05:40 --> 00:05:42 Now let's shift gears from these relatively
00:05:42 --> 00:05:45 nearby visitors to something much
00:05:45 --> 00:05:48 distant but equally fascinating. The
00:05:48 --> 00:05:50 the James Webb Space Telescope has been
00:05:50 --> 00:05:53 studying Trappist1e, an earth
00:05:53 --> 00:05:56 sized planet in the habitable zone around a
00:05:56 --> 00:05:58 red dwarf star about 40 light years
00:05:58 --> 00:05:59 away.
00:05:59 --> 00:06:02 Avery: The Trappist 1 system has been on
00:06:02 --> 00:06:05 everyone's radar since its discovery because
00:06:05 --> 00:06:07 it has seven Earth sized planets and
00:06:07 --> 00:06:10 several of them orbit in the habitable zone
00:06:10 --> 00:06:13 where liquid water could potentially exist on
00:06:13 --> 00:06:15 the surface. Trappist1e
00:06:15 --> 00:06:18 is particularly interesting because it's
00:06:18 --> 00:06:21 right in the middle of that Goldilocks zone.
00:06:22 --> 00:06:24 Anna: Right. And what JWST has been doing
00:06:24 --> 00:06:27 is observing transits, basically
00:06:27 --> 00:06:30 watching as the planet passes in front of its
00:06:30 --> 00:06:33 host star. From our perspective, based on the
00:06:33 --> 00:06:35 first four transit observations, the results
00:06:36 --> 00:06:38 are both revealing and somewhat
00:06:38 --> 00:06:41 disappointing for those hoping for signs of a
00:06:41 --> 00:06:43 thick, potentially life supporting
00:06:43 --> 00:06:43 atmosphere.
00:06:44 --> 00:06:47 Avery: So what did they find, Anna? Uh, I, um, know
00:06:47 --> 00:06:49 the results suggest the planet likely lost
00:06:49 --> 00:06:52 its primary atmosphere, but can you break
00:06:52 --> 00:06:53 that down for us?
00:06:53 --> 00:06:55 Anna: Sure. The main finding is that
00:06:55 --> 00:06:58 Trappist1e has probably lost its primary
00:06:58 --> 00:07:01 atmosphere due to stellar flaring from its
00:07:01 --> 00:07:03 red dwarf host star. Red dwarfs are
00:07:03 --> 00:07:06 notorious for being very active, especially
00:07:06 --> 00:07:09 when they're young, producing intense
00:07:09 --> 00:07:11 radiation and particle bombardment that can
00:07:11 --> 00:07:13 strip away planetary atmospheres.
00:07:14 --> 00:07:16 JWST didn't detect the thick
00:07:16 --> 00:07:19 hydrogen atmosphere that some models might
00:07:19 --> 00:07:20 have predicted was present.
00:07:21 --> 00:07:24 Avery: But here's the thing, and this is why
00:07:24 --> 00:07:26 I love science. The results don't completely
00:07:26 --> 00:07:29 rule out the possibility of a secondary
00:07:29 --> 00:07:31 atmosphere. Right. There could still be an
00:07:31 --> 00:07:34 atmosphere that formed after the primary one
00:07:34 --> 00:07:35 was stripped away.
00:07:35 --> 00:07:38 Anna: Absolutely. And in fact, there are some
00:07:38 --> 00:07:40 intriguing hints in the data. The
00:07:40 --> 00:07:43 observations suggest there might be trace
00:07:43 --> 00:07:45 amounts of methane in what could be a, uh,
00:07:45 --> 00:07:48 nitrogen rich atmosphere. Now,
00:07:48 --> 00:07:50 methane in an atmosphere is particularly
00:07:50 --> 00:07:53 interesting because it can be produced by
00:07:53 --> 00:07:55 both geological and biological
00:07:55 --> 00:07:58 processes, Though we.
00:07:58 --> 00:08:00 Avery: Have to be careful not to get too excited
00:08:00 --> 00:08:02 about the biological implications just yet.
00:08:03 --> 00:08:06 The challenge with these observations is that
00:08:06 --> 00:08:08 they're complicated by stellar contamination
00:08:08 --> 00:08:11 from the red dwarf's flaring activity. When
00:08:11 --> 00:08:14 the star flares, it can create signals that,
00:08:14 --> 00:08:17 uh, mimic or mask atmospheric
00:08:17 --> 00:08:17 features.
00:08:17 --> 00:08:19 Anna: Exactly. And that's why the
00:08:19 --> 00:08:22 JWST team has developed a really
00:08:22 --> 00:08:25 clever technique to deal with this problem.
00:08:25 --> 00:08:28 They're planning 15 more observations
00:08:28 --> 00:08:31 and they're going to compare Trappist 1e to,
00:08:31 --> 00:08:34 with its neighboring planet, Trappist 1b,
00:08:34 --> 00:08:37 to filter out those stellar artifacts.
00:08:37 --> 00:08:40 By observing both planets, they can better
00:08:40 --> 00:08:43 separate the star's contribution from the
00:08:43 --> 00:08:46 actual planetary atmospheric signals.
00:08:46 --> 00:08:48 Avery: That's brilliant. It's like having A control
00:08:48 --> 00:08:51 group in the Same star system, Trappist 1b,
00:08:51 --> 00:08:54 orbits much closer to the star, so it's
00:08:54 --> 00:08:56 definitely had its atmosphere stripped away,
00:08:56 --> 00:08:58 making it the perfect reference point for
00:08:58 --> 00:09:00 understanding what signals are coming from
00:09:00 --> 00:09:03 the star versus the planet we're actually
00:09:03 --> 00:09:03 interested in.
00:09:04 --> 00:09:06 Anna: And this technique could revolutionize how
00:09:06 --> 00:09:09 we study exoplanet atmospheres around active
00:09:09 --> 00:09:12 stars. Red dwarfs make up about
00:09:12 --> 00:09:15 75% of all stars in our
00:09:15 --> 00:09:17 galaxy, and many potentially habitable
00:09:17 --> 00:09:20 exoplanets orbit these stars. So
00:09:20 --> 00:09:23 figuring out how to reliably detect
00:09:23 --> 00:09:25 atmospheres around them is crucial for
00:09:25 --> 00:09:28 understanding habitability throughout the
00:09:28 --> 00:09:28 cosmos.
00:09:29 --> 00:09:30 Avery: Speaking of keeping our eyes on space
00:09:30 --> 00:09:33 activity, Anna, um, we should definitely tell
00:09:33 --> 00:09:34 our listeners about this weekend's launch
00:09:34 --> 00:09:37 activity. There's a really interesting SpaceX
00:09:37 --> 00:09:39 mission coming up that I think will be worth
00:09:39 --> 00:09:39 watching.
00:09:40 --> 00:09:42 Anna: Oh, yes, the CRS
00:09:42 --> 00:09:44 NG23 mission. This one's
00:09:44 --> 00:09:47 launching on Sunday, September 14th at
00:09:47 --> 00:09:50 exactly 8 hours, 11 minutes and 49 seconds PM
00:09:50 --> 00:09:53 Eastern Time from Cape Canaveral. What makes
00:09:53 --> 00:09:55 this launch particularly interesting is that
00:09:55 --> 00:09:58 it's using a Northrop Grumman style Cygnus
00:09:58 --> 00:10:01 XL spacecraft. That's the stretched
00:10:01 --> 00:10:03 version with significantly more cargo
00:10:03 --> 00:10:04 capacity.
00:10:04 --> 00:10:07 Avery: Right. And that XL designation isn't just
00:10:07 --> 00:10:09 marketing. We're talking about a spacecraft
00:10:09 --> 00:10:12 that can carry up to 1kg more mass
00:10:12 --> 00:10:14 than the previous Cygnus versions. That's a
00:10:14 --> 00:10:17 substantial increase in capability, which
00:10:17 --> 00:10:19 means more supplies, experiments, and
00:10:19 --> 00:10:21 equipment heading to the International Space
00:10:21 --> 00:10:22 Station crew.
00:10:22 --> 00:10:24 Anna: And there's actually a bit of a story behind
00:10:24 --> 00:10:27 this mission. Avery to this Cygnus is
00:10:27 --> 00:10:30 stepping in to replace the NG22
00:10:30 --> 00:10:33 spacecraft that was damaged in transit.
00:10:33 --> 00:10:35 The space industry really shows its
00:10:35 --> 00:10:38 resilience in moments like these. When one
00:10:38 --> 00:10:40 spacecraft can't make it, there's always a
00:10:40 --> 00:10:43 backup plan. This particular Cygnus
00:10:43 --> 00:10:46 will be named after William Willie C.
00:10:46 --> 00:10:48 McCool, the naval aviator and
00:10:48 --> 00:10:49 astronaut.
00:10:50 --> 00:10:52 Avery: What I find fascinating about this mission is
00:10:52 --> 00:10:54 the booster story. SpaceX is using
00:10:54 --> 00:10:57 B1094 and this will be its fourth flight.
00:10:57 --> 00:11:00 Another example of how routine booster reuse
00:11:00 --> 00:11:02 has become. But here's what makes it even
00:11:02 --> 00:11:05 more interesting for viewers. This booster is
00:11:05 --> 00:11:07 going to perform a return to launch site
00:11:07 --> 00:11:10 landing at landing zone 2. Which means if
00:11:10 --> 00:11:12 you're watching the launch, you might
00:11:12 --> 00:11:14 actually get to see the landing burns and
00:11:14 --> 00:11:15 touchdown as well.
00:11:15 --> 00:11:18 Anna: I love those double features. Launch
00:11:18 --> 00:11:20 and landing. And speaking of international
00:11:21 --> 00:11:23 collaboration, it's worth mentioning that
00:11:23 --> 00:11:26 this Cygnus was built by Thalis Alenia
00:11:26 --> 00:11:29 Space, with facilities in both France and
00:11:29 --> 00:11:32 Italy. It's always amazing to see how these
00:11:32 --> 00:11:34 cargo missions represent this incredible
00:11:35 --> 00:11:37 global effort to keep the International Space
00:11:37 --> 00:11:39 Station supplied and operational.
00:11:40 --> 00:11:41 Avery: So if you're free Sunday evening around
00:11:41 --> 00:11:44 8:11pm Eastern, it's definitely worth
00:11:44 --> 00:11:46 stepping outside or tuning in to the
00:11:46 --> 00:11:48 livestream. There's something special about
00:11:48 --> 00:11:50 watching these routine supply missions. They
00:11:50 --> 00:11:52 remind us that we literally have people
00:11:52 --> 00:11:55 living and working in space right now, and
00:11:55 --> 00:11:57 missions like this keep that incredible
00:11:57 --> 00:11:59 achievement going. You know Anna, what
00:11:59 --> 00:12:02 strikes me about all of these stories is how
00:12:02 --> 00:12:03 they represent different scales of
00:12:03 --> 00:12:06 exploration. From interstellar visitors in
00:12:06 --> 00:12:09 our own solar system to naked eye comets we
00:12:09 --> 00:12:11 can observe from our backyards to detailed
00:12:11 --> 00:12:14 atmospheric analysis of worlds dozens of
00:12:14 --> 00:12:16 light years away, it's this incredible range
00:12:16 --> 00:12:19 of astronomical discovery happening all at
00:12:19 --> 00:12:19 once.
00:12:19 --> 00:12:22 Anna: That's such a great point. And what I love is
00:12:22 --> 00:12:24 how each discovery builds on our
00:12:24 --> 00:12:27 understanding of the bigger picture. Whether
00:12:27 --> 00:12:29 it's learning that interstellar comets have
00:12:29 --> 00:12:32 similar compositions to our local ones,
00:12:32 --> 00:12:35 or figuring out how to detect atmospheres
00:12:35 --> 00:12:37 around distant worlds, every observation
00:12:37 --> 00:12:40 helps us understand our place in the universe
00:12:41 --> 00:12:42 a little bit better.
00:12:42 --> 00:12:44 Avery: And for our listeners who might be inspired
00:12:44 --> 00:12:47 by today's comet stories, October is
00:12:47 --> 00:12:49 shaping up to be a fantastic month for
00:12:49 --> 00:12:52 skywatching. Whether Comet LEMMON reaches
00:12:52 --> 00:12:54 naked eye, visibility or requires
00:12:54 --> 00:12:57 binoculars, it's going to be worth looking
00:12:57 --> 00:12:59 for. There's something magical about seeing
00:12:59 --> 00:13:02 these ancient wanderers with your own eyes.
00:13:02 --> 00:13:05 Anna: Absolutely. And remember, even if you need
00:13:05 --> 00:13:08 binoculars to see Comet LEMMON clearly,
00:13:08 --> 00:13:10 you'll still be looking at something that
00:13:10 --> 00:13:13 last visited our inner solar system over a
00:13:13 --> 00:13:15 thousand years ago ago. That's perspective
00:13:15 --> 00:13:17 that never gets old.
00:13:17 --> 00:13:19 Avery: Thanks for joining us on today's Journey
00:13:19 --> 00:13:21 through the Cosmos, everyone. I'm Avery
00:13:21 --> 00:13:23 alongside Anna, and we'll be back soon with
00:13:23 --> 00:13:25 more fascinating discoveries from the
00:13:25 --> 00:13:28 universe. Until then, keep looking up. And
00:13:28 --> 00:13:31 remember, every clear night is an opportunity
00:13:31 --> 00:13:32 to connect with the cosmos.
00:13:33 --> 00:13:35 Anna: Thanks for listening to Astronomy Daily.
00:13:35 --> 00:13:37 Whether you're planning to hunt for Comet
00:13:37 --> 00:13:40 Lemmon in October, or just marveling at the
00:13:40 --> 00:13:42 fact that we can study the atmospheres of
00:13:42 --> 00:13:44 worlds light years away from, remember that
00:13:44 --> 00:13:47 we're living in an incredible age of cosmic
00:13:47 --> 00:13:50 discovery. Clear skies everyone, and keep
00:13:50 --> 00:13:51 looking up.