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  1. In order to be considered habitable, a planet needs to have liquid water. Cells, the smallest unit of life, need water to carry out their functions. For liquid water to exist, the temperature of the planet needs to be right. But how about the size of the planet? Without sufficient mass a planet won’t have …

    The post Planet Sizes Matter for Habitability Too. appeared first on Universe Today.

  2. UK startup Spacebit is looking to democratize space with its Walking Rover mission, which will be the UK's first lunar mission and the first rover to rely on legs to get around!

    The post Robotic Spiders to Explore the Moon? Yes, Please! appeared first on Universe Today.

  3. NASA and the DLR are making some progress with the Mole. The Mole has been stuck for months now, and NASA/DLR have been working to get it unstuck. After removing the mole’s housing to get a better look at it with InSight’s cameras, the team came up with a plan. The team is using the …

    The post It Looks Like it’s Working! NASA InSight’s Mole is Making Progress Again Thanks to the Arm Scoop Hack appeared first on Universe Today.

  4. NASA's first all-electric aircraft - the X-57 Maxwell - was recently delivered to the NASA Armstrong Flight Research Center (AFRC) for testing.

    The post NASA Has a New, All-Electric Airplane appeared first on Universe Today.

  5. This week’s Carnival of Space is hosted by me at the CosmoQuest blog. Click here to read Carnival of Space #633 And if you’re interested in looking back, here’s an archive to all the past Carnivals of Space. If you’ve got a space-related blog, you should really join the carnival. Just email an entry to , and …

    The post Carnival of Space #633 appeared first on Universe Today.

  6. From some viewpoints, Mars is kind of like a skeleton of Earth. We can see that it had volcanoes, oceans, and rivers, but the volcanoes no longer fume and the water is all gone. A new image from the ESA’s Mars Express drives the point home. The new image is of Nirgal Vallis, one of …

    The post This Dried Up Riverbed Shows that Water Once Flowed on the Surface of Mars appeared first on Universe Today.

  7. Space Logistics LLC, a subsidiary of Northrop Grumman, has launched a satellite that can extend the life of other satellites. The satellite is called MEV-1, or Mission Extension Vehicle-1. MEV-1 is the first of its kind. MEV-1 was launched on a Russian Proton rocket from the Baikonur Cosmodrome in Kazakhstan on October 9th. It’s going …

    The post A Satellite Just Launched Whose Job is to Extend the Life of Geosynchronous Satellites appeared first on Universe Today.

  8. A new study on the volcanic highlands of Venus casts doubt on whether or not the planet ever had oceans.

    The post Lava Flows on Venus Suggest That the Planet Was Never Warm and Wet appeared first on Universe Today.

  9. The Moon has abundant oxygen and minerals, things that are indispensable to any space-faring civilization. The problem is they’re locked up together in the regolith. Separating the two will provide a wealth of critical resources, but separating them is a knotty problem. The Moon’s regolith varies from 2 meters (6.5 ft.) deep in mare regions, …

    The post This is What Moondust Looks Like When You Remove All the Oxygen. A Pile of Metal appeared first on Universe Today.

  10. Hosts:Fraser Cain ( / @fcain)Sondy Springmann (@sondy)Beth Johnson (@planetarypan)Michael Rodruck (@michaelrodruck) This week we welcome Dr. Marina Kounkel, a postdoctoral scholar in the Physics and Astronomy Department at the Western Washington University. Her research focuses on observing the dynamics of young stars. Marina is co-author, with Kevin Covey (also from WWU,) of the peer-reviewed study …

    The post Weekly Space Hangout: October 7, 2019 – Marina Kounkel talks Stars and How They Form appeared first on Universe Today.

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