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Terraforming Mars Isn't a Climate Problem—It's an Industrial Nightmare

Even when the idea of terraforming Mars was originally put forward, the idea was daunting. Changing the environment of an entire planet is not something to do easily. Over the following decades, plenty of scientists and engineers have looked at the problem, and most have come to the same conclusion - we’re not going to be able to make Mars anything like Earth anytime soon. A new paper available in pre-print on arXiv from Slava Turyshev of NASA’s Jet Propulsion Laboratory, is a good explainer as to why. from Universe Today https://ift.tt/IogjZGu via IFTTT
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Starshade concept could reveal Earth-like exoplanets

Finding Earth-like exoplanets with the composition and ingredients for life as we know it is the Holy Grail of exoplanet hunting. Since the first exoplanets were identified in the 1990s, scientists have pushed the boundaries of finding exoplanets through new and exciting methods. One of these methods is the direct imaging method, which involves carefully blocking out the host star within the observing telescope, thus revealing the orbiting exoplanets that were initially hiding within the star’s immense glare. from Universe Today https://ift.tt/tuZaoXz via IFTTT
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Astronomers Produce the Largest Image Ever Taken of the Heart of the Milky Way

Astronomers have captured the central region of our Milky Way in a striking new image, unveiling a complex network of filaments of cosmic gas in unprecedented detail. Obtained with the Atacama Large Millimeter/submillimeter Array (ALMA), this rich dataset—the largest ALMA image to date—will allow astronomers to probe the lives of stars in the most extreme region of our galaxy, next to the supermassive black hole at its center. from Universe Today https://ift.tt/qNeWZHY via IFTTT
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Astronauts Use Bacteria and Fungi to Harvest Metals in Space

If humankind is to explore deep space, one small passenger should not be left behind: microbes. In fact, it would be impossible to leave them behind, since they live on and in our bodies, surfaces and food. Learning how they react to space conditions is critical, but they could also be invaluable fellows in our endeavor to explore space. from Universe Today https://ift.tt/VU2T4oR via IFTTT
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VLT Image Captures a "Cosmic Hawk" Spanning its Wings.

Today’s Picture of the Week, taken with ESO’s Very Large Telescope (VLT), seems to have captured a cosmic hawk as it spans its wings. from Universe Today https://ift.tt/Nlqn9BU via IFTTT
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The 4.6-Billion-Year-Old Tape Recorder Hidden Inside Asteroid Dust

Asteroids are critical to unlock our understanding of the early solar system. These chunks of rock and dust were around at the very beginning, and they haven’t been as modified by planetary formation processes as, say, Earth has been. So scientists were really excited to get ahold of samples from Ryugu when they were returned by Hayabusa-2 a few years ago. However, when they started analyzing the magnetic properties of those samples, different research groups came up with different answers. Theorizing those conflicting results came from small sample sizes, a new paper recently published in JGR Planets from Masahiko Sato and their colleagues at the University of Tokyo used many more samples to finally dig into the magnetic history of these first ever returned asteroid samples. from Universe Today https://ift.tt/gFUfdRX via IFTTT
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Mars Express Images Reveal Mars' Pockmarked Surface

Craters, craters, and yet more craters: this snapshot from ESA’s Mars Express is packed full of them, each as fascinating as the last. from Universe Today https://ift.tt/0a1psol via IFTTT
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