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Archive for the ‘Science!’ Category

NASA reminded me that we have a new, if transitory, neighbor in the skies overhead. The comet PanSTARRS is making a quick visit and tonight is the closest it will come to the sun.

APOD- 2026 April 18 – PanSTARRS and Planets

This is a good weekend for northern hemisphere comet watchers to try to catch PanSTARRS an hour or so before sunrise, as the comet grows brighter approaching its perihelion on April 19. On April 26 the comet makes its closest approach to our fair planet but by then will be difficult to see in the solar glare. Good views of this comet PanSTARRS in late April and early May will be from the southern hemisphere.

If your skies are clear and dark, check it out!

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Hooray!

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Today is the day, folks, when our friendly neighborhood astronauts make their (hopefully trouble-free) return to our home planet. 

As we wait for splashdown, anticipated to be just after 8pm EDT tonight, here is an interactive look at What’s Inside NASA’s Mission Control.

And to save you from tracking down one of the many (many) space-themed Artemis links I’ve put up over the past couple of days, you can watch tonight’s homecoming here starting at 6:30pm EDT!

NASA’s Artemis II Crew Comes Home (Official Broadcast) | NASA+

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Am I still on the Artemis II space train? I am, because the story is optimistic and nerdy and cool. 

You may have heard that the astronauts are getting wake-up songs from Mission Control. If you’ve wondered what those songs are, here you go!

All the Wake-up Songs Astronauts on Artemis II Have Heard So Far

Each morning, the flight crew is awoken by a song, hand-picked by Mission Control specialists back home on Earth. The long-standing practice keeps astronauts on schedule and connects them to the rest of humanity.

Here are the songs in YouTube playlist form: All Artemis II songs

The crew is scheduled to splash down tomorrow evening (April 10th), off the coast of San Diego. Stay tuned for that, and for the final entry in their wake-up playlist!

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Since my recent posts have spent a lot of time in space, let’s take a slight break from the nonfiction drama of NASA’s Artemis II mission and shift over to the fictional world of space adventure.

In his books, Andy Weir (The Martian) works hard to bring scientific accuracy to his fiction. The challenge is balancing the demands of a thrilling story with the science that grounds it in reality.

How did he do? Experts weigh in.

How plausible is ‘Project Hail Mary’? Experts have thoughts

While “Project Hail Mary” has its share of explosions and catastrophes, it’s the thinking that’s thrilling. Grace and Rocky must come together, with tools and whiteboards, craft and ingenuity, to solve a seemingly insoluble problem. They make mistakes, but they learn from those mistakes and from each other.

And an astrophysicist also has thoughts:

Project Hail Mary is packed with hard science. An astrophysicist breaks it down

… when I walked out of a recent preview screening of the film adaptation of Andy Weir’s 2021 science fiction novel Project Hail Mary, I had tears of joy in my eyes. The filmmakers had done justice not just to the original story, but also to the science at the heart of it.

From NASA, with lots of interesting subsidiary links: 

The Science Behind ‘Project Hail Mary’ – NASA Science

Let NASA shed some light: Explore the resources below to learn the science facts fueling the science fiction.

(Wait, Tau Ceti was also featured in fiction by Isaac Asimov, Arthur C. Clarke, Frank Herbert, Robert Heinlein, Ursula K. Le Guin, and Kim Stanley Robinson? And was the setting for Barbarella? This planet gets around!)

The final assessment of the science? Not perfect, but good. And precisely accurate or not, this promises to be another very entertaining movie. (I’ve read the book but haven’t seen the film yet. Yes, I am a little behind the curve!)

Since we’re here, how about an article on the movie as a climate parable? (warning, spoilers!)

AMAZE AMAZE AMAZE! Yes, this is an article about Project Hail Mary as climate parable

And what the heck, here’s the movie trailer just for fun.

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A quick update from the solar system’s coolest road trip: the Artemis II mission just set a new distance record, going farther into space than the Apollo 13 astronauts did in 1970.  

Artemis II astronauts share their first images from the historic mission | CNN

“There was a moment about an hour ago where Mission Control Houston reoriented our spacecraft as the sun was setting behind the Earth. And I don’t know what we all expected to see at that moment, but you could see the entire globe, from pole to pole. You could see Africa, Europe, and if you looked really close, you could see the northern lights. It was the most spectacular moment, and it paused all four of us in our tracks.” — mission commander Reid Wiseman

Check out NASA’s Artemis II image repository on Flickr for more shots from space.

What else are our friendly neighborhood explorers up to? Oh, you know, today they’re just doing a quick flyby of the Moon! 

How cool is that?

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The Artemis II Orion spacecraft has launched, and the mission is underway!

There is also a livestream from Orion itself (claustrophobes need not apply), but availability is spotty due to bandwidth and popularity. Because space!

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NASA’s Artemis II mission is (as of right now!) still a go. Here’s a site with a countdown to launch and a tracker for when it happens.

Artemis II Mission Tracker | Live Orion 3D Timeline

And here’s a video on the mission in case you didn’t get enough background material yesterday.

And here are a couple of Artemis-themed games to play, just for fun: Artemis Game Hub

Just over six hours now if all goes well. Fingers crossed!

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The countdown has begun! Tomorrow is the first April launch date for the Artemis II flight. (If the weather or tech doesn’t cooperate, the mission will be pushed forward, so the next couple of days could be interesting!)

NASA’s Artemis II Launch Mission Countdown Begins – NASA

The countdown for NASA’s Artemis II test flight is underway at the agency’s Kennedy Space Center in Florida, with members of the launch team arriving at their consoles inside the Rocco Petrone Launch Control Center. The onsite countdown clock started ticking down at 4:44 p.m. EDT to a targeted launch time of 6:24 p.m. on Wednesday, April 1.

Who will be in that shiny new rocket, you ask?

Meet the first Artemis crew flying to the moon since the Apollo era

The Americans who blazed the trail to the moon more than half a century ago were white men chosen for their military test pilot experience. This first Artemis crew includes a woman, a person of color and a Canadian, products of a more diversified astronaut corps.

Speaking of the comparison to Apollo, what else is different, how are they similar, is that an excellent graphic showing time and trajectory (yes!) and more:

Apollo vs. Artemis: What to know about NASA’s moon missions | AP News

Let’s revisit: Why are we doing this again?

Artemis II: Why is Nasa sending people back to the Moon?

There’s still prestige in being the first to plant your flag in the lunar dust. But now it really matters where you plant it.

(In short: resources, scientific and technological discovery, and did we mention resources?)

We can all follow NASA’s feed, but there’s another option for tracking the flight:

When Artemis II launches to the Moon, we’ll be able to track it on our smartphones. Here’s how

NASA has announced that Artemis II’s journey around the Moon will be available to track online and via a downloadable app called Artemis Real-time Orbit Website (AROW).

And here’s what it will be like inside Firing Room 1 a.k.a. Mission Control:

The NASA mission control masterminds who will keep the Artemis II astronauts safe

…who has the Artemis II astronauts’ backs as they make the 10-day, roughly 685,000-mile journey around the moon, aboard a rocket and spacecraft that haven’t carried humans before? And what does it take to work in the high-stakes, behind-the-scenes roles that keep astronauts safe and the mission on track?

Because astronauts are just the most visible part of what it takes to get a project like this off the ground. Here’s to the engineers, adventurers, and dreamers too!

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This is for all those who take the world and mold it, via fiction or fact, into something creative and new.

The most interesting inventions are those that haven’t worked yet. — Nathan Myhrvold

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