Joel Parker

Into The Unknown (Part 1) Into The Unknown (starts at 7:57) What do we know about the universe, and how do we know we know it? Conversely, what do we know we don’t know, what don’t we know that we don’t know, and why not? T…

Are you ready to explore the known, unknown, and possibly unknowable with @profkelsey.bsky.social? We talk about her book Into The Unknown: The Quest to Understand the Mysteries of the Cosmos. Part 1 of the interview aired this week howonearthradio.org/archives/10317
Join us for Part 2 next week.

Science Journalism with Miles O’Brien // Acetaminophen and Autism This episode features Miles O’Brien, a science journalist who has been a correspondent for PBS News and CNN. He talks about his experience breaking in to science journalism, past and current …

This week we hear from science journalist Miles O'Brien about breaking in to science journalism, past and current science reporting, public and political views of science, and the value of scientific research. We also look at claims about acetaminophen and autism. howonearthradio.org/archives/10283

Saving Weather Forecasting, Climate Science Scientists speak out for science (start time: 1:00) The Trump administration has been on a dizzying streak of slashing federal funding for scientific research, and firing thousands of federal scien…

howonearthradio.org/archives/10122
This week we talk with two climate scientists about 100 Hours to Save America’s Forecasts (wclivestream.com), a marathon event starting May 28, featuring meteorologists and climate scientists from across the US who share their work and show what makes it so vital.

2025 Graduation Special (part 1) With graduation season upon us, today’s edition of How on Earth is Part 1 of our annual “Graduation Special”. Our guests in the studio today are scientists and engineers who have or will soon recei…

Graduation season! That means it is time for our annual Graduation Special on #KGNU, where we talk to grad students about their thesis work. Part 1 is about spacecraft trajectories, Bell tests, and Level-Set Topology Optimization.
howonearthradio.org/archives/10070

NASA’s Lucy Spacecraft Prepares Second Asteroid Encounter - NASA NASA’s Lucy spacecraft is 6 days and less than 50 million miles (80 million km) away from its second close encounter with an asteroid; this time, the small

Coming soon to a solar system near you!
www.nasa.gov/missions/luc...

#Lucy #NASA

The Lucy Mission Our guest today is Dr. Simone Marchi, Institute Scientist in the Solar System Science & Exploration Division at the Boulder office of Southwest Research Institute. Dr. Marchi is the Deputy Prin…

Today on How on Earth #KGNU, we talk with Dr. Simone Marchi about #NASA's #LucyMission to the Trojan asteroids. On its way, Lucy has flybys of two main-belt asteroids: Dinkinesh in November 2023 and next on April 20 it will fly by asteroid Donaldjohanson. howonearthradio.org/archives/10036

April Foolish Science Today is April Fools’ day, when jokes and pranks are played, sometimes among friends and family, sometimes on a more public scale.  But why is there such a day for culturally-accepted foolishness? …

For this week's episode of How on Earth on KGNU, we share a little foolishness - Professor Angus Gillespie reflects on the history of April Fools' Day, and Dr. Mike Lund (@lowbacca.bsky.social) talks about the tradition of April Fool Astronomy papers.
howonearthradio.org/archives/10019

A solar eclipse...as seen from the Moon.

Imagine standing there, looking back at Earth as it passes in front of the Sun.

fireflyspace.com/news/blue-gh...

Science Stories from 2024 We share the How on Earth team’s picks for of science stories of 2024: Tom Cech Talks RNA (starts at 1:56) Avian Flu (starts at 9:33) Artificial Intelligence (starts at 13:13) Colorado, the …

Our recent show is a look back at some forward-looking science stories from 2024:
* Tom Cech Talks RNA - the catalyst
* Avian Flu
* Artificial Intelligence
* Colorado, the Quantum State
howonearthradio.org/archives/9892
@KGNU

Full disclosure: to be clear, yes, this mission isn’t specifically not named after someone other than me.

blogs.nasa.gov/parkersolarp...

YouTube video by Ústav teoretické fyziky a astrofyziky PřF MU Rozhovory o vesmíru s Joelem Parkerem (EN s SK titulky)

This recently-posted interview is from May during #Starmus in Bratislava. It was a lot of fun talking about life, the universe, and everything with Norbert Werner and Samuel Kováčik as a part of their Conversations about the Cosmos series.

www.youtube.com/watch?v=mjfB...

Are mirrors like nasawebb.extwitter.link legit?

Just tried importing all my past tweets with Porto, but they didn't keep the original timestamp. Looking for a do-over. Any suggestions for a better migration tool that preserves original timestamps?

This Thanksgiving, as every Thanksgiving the past few decades, I'm thankful with great gratitude for my families - the one I grew up with and the one I grew around me. I'm thankful for friends, health, art, nature, and the opportunity of work that pays me to explore the mysteries of the universe.

Happy 50th anniversary of the Lucy fossil. Well, 50th of the discovery...about 3,200,000th anniversary of Lucy herself.
lucy.swri.edu/50_years_of_...

Interesting claim. Do you have a link to their peer-reviewed results published in a reputable scientific journal?

Something we're doing right now...

pluto.jhuapl.edu/News-Center/Sc…

A couple takes on an oldie but goodie:

I greatly appreciate the talks at #AAS242 that take the time to give acknowledgment (with photos) and thanks to the grad students, postdocs, and other early career scientists who worked on the project, their own experience with supportive mentors, and the importance of mentoring.

YOU'RE INVITED: 2022-2023 Teen Science Café Kick-Off Event Thursday, October 13; 5:30-7pm September 23, 2022     The first mind-blowing Café of the 2022 season features Dr. Gabriel Rodriguez and Dr. Hannah Zlotnick of CU Boulder’s BioFrontiers Institute. Did

YOU'RE INVITED: 2022-2023 Teen Science Café Kick-Off Event:

conta.cc/3dJNtk5

#JWST observers: do you want to have 5 minutes on the @HowOnEarth science radio show to explain your project? PM me.

Organizing negatives of photos of hats.
#JobsIveHad

Useful:
1 day = 86400 seconds
1 million seconds ~ 12 days
1 billion seconds ~ 32 years
1 million minutes ~ 2 years
1000 days ~ 3 years
1 year ~ pi x 10 million seconds
1 cubic mile ~ 1 trillion gallons
1 gallon water ~ 8 pounds
speed of light ~ 1 foot per nanosecond

I'm looking for a video of the lunar eclipse, ideally showing from fully-lit moon to totality.

Real journal, real letter:

sciencedirect.com/.../abs/pii/S0…

The first fax machine (Electric Printing Telegraph by Alexander Bain) was invented in 1843.
The last samurai (Saigo Takamori) died in 1877.
Lincoln was president from 1861 to 1865.

So there was a 4 year span when a samurai could have sent a fax to President Lincoln.

For reference:

Big plans for small bodies in the solar system - if you are in Denver this Halloween weekend, come to @fanexpodenver on Saturday at 2:30 to hear about the @LucyMission.