loader from loading.io

Satellite Constellations and Early Warning Systems

EVSN: Escape Velocity Space News

Release Date: 11/15/2023

Io and Juno Begin to Part Ways show art Io and Juno Begin to Part Ways

EVSN: Escape Velocity Space News

In February, on the closest approach, NASA's Juno spacecraft was within 930 miles of the closest moon Io’s surface. Since then, Juno’s orbit has been shrinking, bringing the mission closer to Jupiter and away from the circling Galilean moons. Io and Juno have parted ways, and Juno is now snuggling down into tighter orbits around her Jupiter.

info_outline
Catch the (Alien) Rainbow show art Catch the (Alien) Rainbow

EVSN: Escape Velocity Space News

As scientists discover and explore the atmospheres of more and more planets orbiting stars other than our Sun, we are learning that if you can imagine it, it probably exists. In a new paper discussing the planet WASP-76b, researchers describe what appears to be a giant rainbow in the atmosphere of another world... a circular rainbow... and it's not caused by refracted starlight!

info_outline
Following the Water Toward Climate Change show art Following the Water Toward Climate Change

EVSN: Escape Velocity Space News

This week’s episode is brought to you by last week’s terrible weather. While experiencing hail and thunder IRL, we also saw press release after press release and article after article discussing climate change. This one-two punch of new science and the need for a new roof means we will touch on climate change in our closer look this week. We apologize in advance; it’s not pretty out there -- unless you like storm chasing, then it’s kind of the stuff of dreams at the moment.

info_outline
Planet Formation is (Still) Not Well Understood show art Planet Formation is (Still) Not Well Understood

EVSN: Escape Velocity Space News

One of our recurring topics is “Planet formation is not well understood,” and a trio of new papers is making it clear why planet formation continues to... not be well understood. Put simply: the universe likes to create more diverse solar systems than an entire planet’s worth of sci-fi writers can imagine.

info_outline
SPECIAL SHORT: How NASA Budget Cuts Will Hurt Space Science show art SPECIAL SHORT: How NASA Budget Cuts Will Hurt Space Science

EVSN: Escape Velocity Space News

Earlier in March, Congress voted into place the FY2024 budgets for multiple agencies, including NASA. The agency is being asked for an overall 2% cut. Combined with inflation rates over 3%, we are looking at a fairly significant cut to the U.S. budget for space science. Dr. Pamela Gay breaks down what these cuts will affect, including people and missions, as we move forward with this already stressful fiscal year. (This episode was recorded on March 14, 2024)

info_outline
Grindavik, Iceland, and Volcanoes with Dr. Melissa Scruggs show art Grindavik, Iceland, and Volcanoes with Dr. Melissa Scruggs

EVSN: Escape Velocity Space News

As you know, our team loves volcanoes, and since we’ve been focused on Iceland for months, we brought in Dr. Melissa Scruggs (aka VolcanoDoc on Twitch) for a chat about Grindavik and all things volcanic in Iceland.

info_outline
Stability, Instability, Drama, and How We are Space Stuff show art Stability, Instability, Drama, and How We are Space Stuff

EVSN: Escape Velocity Space News

It is possible to buy stickers, sweatshirts, mugs, and other stuff and things emblazoned with the simple phrase, “We are star stuff”. This phrase was popularized by Carl Sagan, and it serves as a gentle reminder that all the complex atoms - by which I mean most everything heavier than helium - found their start either in the nuclear core of a star or in the nuclear explosions of a dying star or stars. But, as with so many things, the truth is much more complicated than the meme.

info_outline
Early Black Holes Formed Before Stars? show art Early Black Holes Formed Before Stars?

EVSN: Escape Velocity Space News

One of the unexpected realities of JWST is the discovery that we have really been asking the wrong questions in many astronomy areas. For instance: we generally asked how supermassive black holes and galaxies formed, with a basic assumption that these things happened in some interrelated process. We thought stellar mass black holes came from stars and that there might have been tiny primordial black holes that evaporated away, but that was it. Closed case. Black holes formed with all the normal structures we experience today. Except that now, JWST’s observations require us to find a way to...

info_outline
Yes, Scientists DO Look at the (Dark Energy Survey) Data show art Yes, Scientists DO Look at the (Dark Energy Survey) Data

EVSN: Escape Velocity Space News

Every time I get the digital “why can’t you scientists just look at the data” lecture, I wonder what people think scientists do. All we do is look at data, and when that data tells us our understanding of the universe is wrong, we’re pretty good at accepting the data and throwing out our false understandings… even when the data makes our life a whole lot harder. Such is the case with the accelerating rate of expansion of the Universe...

info_outline
Celebrating the Mars Robots that Could show art Celebrating the Mars Robots that Could

EVSN: Escape Velocity Space News

Robots on Mars have a long history of exceeding all possible expectations. From Spirit and Opportunity lasting far beyond their planned 90-day missions to Ingenuity lasting 72 flights out of a planned five, these craft have become so beloved that we mourn their missions ending. Today, while we recognize NASA's Day of Remembrance, we also celebrate all the Mars missions that have done more than expected.

info_outline
 
More Episodes

According to satellite cataloger Jonathan McDowell, there are now 18 satellite constellations, like Starlink, being planned. These constellations will contain 543,811 satellites. This is a whole lot of missions to try and keep from colliding and all it takes is one particularly bad collision to transform the more than half-million objects from useful technologies to a shield of shrapnel that protects our universe from us by trapping us here. In our closer look today, we are going to look at early warning systems that are being developed, and how future - more highly mobile satellites, can both do good and create chaos. (This episode was originally released on YouTube July 29, 2023.)