Podcast: Should We Be Talking to the Stars (or Exoplanets, to be More Precise)?

Posted on by onespaceman2000

I recommend you tune into another episode from The Planetary Society’s podcast Planetary Radio. In the episode, Space Policy Edition: The Policy Implications of Active SETI, we hear a discussion about the advantages and disadvantages of an active SETI program, and whether we can even cease outreach to the neighboring systems given what has already been transmitted and the nature of our world today.

The guest on the episode is Jacob Haqq Misra, Senior Research Investigator at the Blue Marble Space Institute of Science. He is the author of a new book, Sovereign Mars: Transforming Our Values Through Space Settlement, though his main points related to our SETI program.

For instance, whether or not people support an active or passive SETI program often depends on whether we believe in benevolent or destructive aliens. Of course, the matter is unknowable until it happens, yet fraught with fears based on what we know about ourselves and our own exploration.

The discussion also discussed the presentation of SETI in films, such as Contact, as well as the definition of intelligence itself, be it whales (remember Star Trek IV: The Voyage Home?) or even ChatGPT. And we are already past the point of turning off our “active outreach” given that interested aliens are probably looking for both bio-signatures and techno-signatures, which we are creating without any thought. Astronomers are currently searching for such signatures among the exoplanets, so it would make sense the same type of search is being focused on our solar system.

Plenty of food for thought. Enjoy the show.

Credit: University Press of Kansas

Space Stories: James Webb’s Partner, the Big Bang Black Holes, and Green Energy on the Red Planet

Posted on by onespaceman2000
Image (Credit): James Webb Space Telescope. (NASA)

Here are some recent stories of interest.

—Futurism: “NASA Sending Adorable Little Buddy to Hang Out Next to the James Webb“

The space agency recently selected a toaster-sized cubesat that will become the much bigger telescope’s tiny, adorable “sidekick,” according to a statement. NASA chose the $8.5 million space mission, called the “Monitoring Activity from Nearby sTars with uv Imaging and Spectroscopy” (MANTIS), which will be designed and built by researchers at the University of Colorado Boulder. The diminutive but mighty spacecraft, scheduled to launch sometime in 2026, will make observations of the night sky in the full range of ultraviolet light, including extreme UV (EUV) light, a more energetic form.

—Universe Today: “Why Didn’t the Big Bang Collapse in a Giant Black Hole?“

Despite the enormous densities, the early universe didn’t collapse into a black hole because, simply put, there was nothing to collapse into…Even though the early universe was incredibly dense, it was also incredibly uniform. The average density throughout the universe was the same from place to place. There weren’t enough differences to trigger the formation of black holes.

—University of Warwick: “Using Photosynthesis for Martian Occupation—While Making Space Travel More Sustainable“

In a study published in Nature Communications, scientists assess a new technique which could convert renewable, green energy from outside the Earth’s atmosphere. They are taking advantage of photosynthesis—the chemical process plants undergo every day to create energy—to help the space industry become more sustainable. The research led by the University of Warwick evaluates the use of a special device known as semiconductor to absorb sunlight on moon and Mars. It is hoped that the devices could promote Martian life support systems.

Pic of the Week: The Ongoing Perseverance Rover Mission

Posted on by onespaceman2000
Image (Credit): NASA’s Perseverance Mars rover captured this mosaic of a hill nicknamed “Pinestand.”
(NASA/JPL-Caltech/ASU/MSSS)

This week’s image comes from NASA’s Mars rover Perseverance as it explores the to Jezero Crater. The photo was posted last month. It has been a little while since we directly our attention at the Red Planet.

The image shows what may be the result of a fast-moving river some time in the past. In the NASA write-up accompanying the photo above, we read:

“Pinestand” is an isolated hill bearing sedimentary layers that curve skyward, some as high as 66 feet (20 meters). Scientists think these tall layers may also have been formed by a powerful river, although they’re exploring other explanations, as well.

“These layers are anomalously tall for rivers on Earth,” [postdoctoral researcher at NASA’s Jet Propulsion Laboratory in Southern California Libby] Ives said. “But at the same time, the most common way to create these kinds of landforms would be a river.”

Television: Stars on Mars

Posted on by onespaceman2000
Image (Credit): Preview for the new television series Stars on Mars. (Fox)

The silly reality shows are now reaching for the stars, or at least a distant planet, with William Shatner leading the way. Fox’s new program Stars on Mars, premiering on June 5th, will feature numerous celebrities trying to survive in a “Mars-like” atmosphere. Planned guests include Lance Armstrong, Olympic figure skater Adam Rippon, professional football player Richard Sherman, and others.

I have no plans to watch this show, but I expect it may encourage support for space travel given that many of those who do watch the show will want to quickly leave this planet in the hopes of finding intelligent life somewhere.

NASA may be having funding problems, but bad TV always seems to find someone with deep pockets.

Image (Credit): Martian base for Stars on Mars. (Fox)

Space Stories: End of a Lunar Mission, Ancient Rivers on Mars, and the Second TROPICS Launch

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Image (Credit): Launch of the Lunar Flashlight mission last December. (SpaceX)

Here are some recent stories of interest.

—Engadget: “NASA Ends its Lunar Flashlight Mission“

NASA has pulled the plug on its Lunar Flashlight project, which was designed to look for sources of ice on our nearest neighbor. The agency spent the last few months trying, and failing, to get the craft to generate the necessary amount of thrust to get the small satellite to its intended destination. Officials say that the issue was likely caused by debris buildup in the fuel lines, which prevented the CubeSat from working to its full potential. 

—Insider: “Photos from NASA’s Mars Rover Show the Red Planet’s Ancient Rivers were Much Wilder than Scientists First Thought“

NASA’s Mars Perseverance rover has taken new images that reveal that some of the red planet’s ancient rivers were much wilder than scientists previously thought. “It’s the first time we’re seeing environments like this on Mars,” Katie Stack Morgan, Perseverance’s deputy project scientist, said in a NASA release. Scientists studying rock formations, features, and valleys on Mars, so far, have found evidence to suggest Mars was once covered by water. 

—Businesswire: “Rocket Lab Sets Date for Second NASA TROPICS Launch to Deploy Storm Monitoring Constellation“

Rocket Lab USA, Inc., a leading launch and space systems company, is preparing for the second of two dedicated Electron launches to deploy a constellation of storm monitoring satellites for NASA. The launch, called ‘Coming To A Storm Near You,’ is scheduled for lift-off no earlier than 17:30 on May 22nd NZST from Rocket Lab Launch Complex 1 on New Zealand’s Mahia Peninsula. The launch follows on from the successful ‘Rocket Like a Hurricane’ Electron launch on May 8th 2023, which deployed the first two CubeSats of NASA’s TROPICS constellation. The ‘Coming To A Storm Near You’ launch will deploy the final two TROPICS CubeSats, completing the constellation.