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May 19, 2020May 19, 2020 by Matt Williams

NASA Proposes the Artemis Accords. The New Rules for Lunar Exploration

Illustration of Artemis astronauts on the Moon. Credits: NASA

As part of Project Artemis, which was announced in May of 2019, NASA will be sending the first woman and the next man to the Moon for the first time since the Apollo Era. To make this happen, NASA has partnered with the private aerospace industry to develop all the necessary systems. At the same time, NASA has entered into collaborative agreements with other space agencies to ensure that lunar exploration is open to all.

To formalize these agreements and ensure that all parties are committed to the same goals, NASA recently drafted a framework for cooperative lunar exploration and development. Known as the Artemis Accords, this series of bilateral agreements (which are grounded in the Outer Space Treaty of 1967) establish common principles for international partners who want to become part of humanity’s long-awaited return to the Moon.

May 15, 2020May 15, 2020 by Matt Williams

Earth Life Probably Can’t Spread to Mars Today

These dark, narrow, 100 meter-long streaks called recurring slope lineae flowing downhill on Mars are inferred to have been formed by contemporary flowing water. However, a new study by planetary scientists indicates that these may actually be the result of dry flows. Credits: NASA/JPL/University of Arizona

It’s no secret that Mars once had abundant water flowing on its surface in the forms of rivers, lakes, and even an ocean. For this reason, scientists continue to wonder whether or not Mars might have had life in the past. Today, the surface is an extremely cold, dry place where even a single droplet of water would instantly freeze, boil, or evaporate. Unless, of course, the water had salt dissolved in it.

If these “briny” patches still exist on Mars, then it’s possible there are small pockets on the surface where microbes can still exist. This presents problems as far as issues of “planetary protection” are concerned. However, a new study led by the Lunar and Planetary Institute (LPI) has shown that if life from Earth were brought over by robotic or human explorers, it probably couldn’t survive in these brines.

May 15, 2020May 15, 2020 by Matt Williams

China’s New Crew Capsule Just Landed, and so Did Parts of their New Rocket!

China’s next-generation crewed spacecraft, which will replace the venerable Shenzou spacecraft in the coming years, recently returned to Earth after spending almost three days in space. The purpose of this mission was to test the deep space capabilities of the spacecraft that will be sending Chinese astronauts (taikonauts) to orbit, to the Moon, and beyond in the coming years.

In addition, this mission also saw China’s new Long March 5B (CZ-5B) heavy-lift rocket launch a payload to space for the first time. This rocket is the latest installment in the Long March family and will be vital to the creation of the third and largest Chinese space station. These two milestones have brought China a step closer to becoming a full-fledged superpower in space.

May 14, 2020May 19, 2020 by Matt Williams

Space Force is About to Launch its Mysterious X-37B Spaceplane Again

In this image, the X-37B is being encapsulated in its fairing atop an Atlas V rocket. Photo Credit: USAF

There has been quite a bit of buzz in the past few years about the US Space Force (USSF), especially now that they are recruiting! The sixth and youngest branch of the US Armed Forces, Space Force was created in 2019 when the Air Force Space Command (AFSC) was broken off from the US Air Force (USAF) and made into an independent service branch.

There’s been even more buzz about the USAF’s X-37B Orbital Test Vehicle (OTV), a reusable robotic spaceplane whose official purpose is still highly classified! And now, the USAF and the U.S. Space Force have come together to launch the X-37B on its sixth mission (OTV-6). In just two days, this spaceplane will take off from Cape Canaveral Air Force Station in Florida to perform a number of tasks (some of which we know about!)

May 13, 2020May 22, 2020 by Matt Williams

Another Starship Success! Raptor Engine Fires for 4 Seconds and Nothing Explodes

Last week, SpaceX passed another milestone in the development of its Starship prototype. This was the crucial engine static fire test, which saw the fourth full-scale Starship prototype (SN4) ignite a fully-integrated Raptor engine for the first time. The successful test took place on Tuesday night (May 5th) at 08:57 PM local time (09:57 PM EDT; 06:57 PM PDT) and saw the Raptor engine ignite and fire for four full seconds.

May 12, 2020May 12, 2020 by Matt Williams

NASA is Going to Try Manufacturing a Telescope Mirror in Space

One of the JWST's gold-coated mirrors. Not even launched yet, and the golden mirrors are already iconic. Image Credit: NASA/Drew Noel

Space telescopes are a pretty amazing thing. By deploying an observatory to orbit, astronomers are able to take pictures of the Universe unencumbered by atmospheric disturbance. At the same time, they are very expensive to build, maintain, and launch into space. As the case of Hubble’s flawed mirror demonstrated, a space telescope also has to go through rigorous checks because of how difficult it becomes to service them after launch.

To address this, NASA is investigating the possibility of constructing future space telescopes in space. A key aspect of this involves a manufacturing technique known as Atomic Layer Deposition (ALD), a process where layers of material no thicker than an atom is deposited on a surface and then hardened in place. Now, a team of NASA-supported researchers has been given the chance to test ALD in a microgravity environment (i.e. space!)

May 11, 2020May 20, 2020 by Matt Williams

Lunar Gateway Could be Built With the Falcon Heavy

In March of 2019, NASA was directed by the White House to land human beings on the Moon within five years. Known as Project Artemis, this expedited timeline has led to a number of changes and shakeups at NASA, not the least of which has to do with the deprioritizing of certain elements. Nowhere is this more clear than with the Lunar Gateway, an orbital habitat that NASA will be deploying to cislunar space in the coming years.

Originally, the Gateway was a crucial part of the agency’s plan to create a program of “sustainable lunar exploration.” In March of this year, NASA announced that the Lunar Gateway is no longer a priority and that Artemis will rely on an integrated lunar lander instead. However, NASA still hopes to build the Gateway, and according to a recent interview with ArsTechnica, this could be done with the help of SpaceX and the Falcon Heavy.

May 10, 2020May 10, 2020 by Matt Williams

Closest Black Hole Found, Just 1,000 Light-Years From Earth

This artist’s impression shows the orbits of the objects in the HR 6819 triple system. Credit: ESO/L. Calçada

Black holes are invisible to the naked eye, have no locally detectable features, and even light can’t escape them. And yet, their influence on their surrounding environment makes them the perfect laboratory for testing physics under extreme conditions. In particular, they offer astronomers a chance to test Einstein’s Theory of General Relativity, which postulates that the curvature of space-time is altered by the presence of a gravity.

Thanks to a team of astronomers led by the European Southern Observatory (ESO), the closest black hole has just been found! Using the ESO’s La Silla Observatory in Chile, the team found this black hole in a triple system located just 1000 light-years from Earth in the Telescopium constellation. Known as HR 6819, this system can be seen with the naked eye and could one of many “quiet” black holes that are out there.

May 9, 2020May 24, 2020 by Matt Williams

Space Force is Recruiting, Here’s their New Video

The US Space Force has revealed their uniforms. Image Credit: US Space Force

“Maybe your purpose on this planet… isn’t on this planet!”

These spine-tingling words cap off the US Space Force’s (USSF) new recruitment video, which hit the airwaves earlier this week. After giving a rundown of what the USSF’s responsibilities are, the video culminates with that beautiful tagline, in which people are invited to find their place off-world!

While this video is pretty short and sweet, it represents a significant milestone in the development of the USSF as an independent branch of the US Armed Forces – a process that began in earnest just a few years ago.

May 8, 2020May 8, 2020 by Matt Williams

Galaxies Like the Milky Way are the Best for Life

The core of the Milky Way. Credit: NASA/JPL-Caltech/S. Stolovy (SSC/Caltech)

Scientists have speculated that given the sheer number of galaxies in our Universe – modern estimates are as high as 2 trillion – that there must be infinite opportunities for life to emerge. It has also been theorized that galaxies (like stars) have habitable zones, where star systems located too close to the core or too far out in the spiral arms will be exposed to too much radiation for life to emerge.

But are certain types of galaxies more likely to produce intelligent life? Not that long ago, scientists believed that giant elliptical galaxies – which are substantially larger than spiral galaxies (like the Milky Way) – are a far more likely place to find advanced civilizations. But according to new research from the University of Arkansas, these galaxies may not be the cradles of civilization they were previously thought to be.

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