walk – Queer Sci Fi

How Long Would It Take to Walk Around the Moon?

April 3, 2021 by scott

From our vantage point on Earth, the moon looks small. But if you were to hop in a spaceship, don a spacesuit and go on an epic lunar hike, how long would it take to walk all the way around it? The answer depends on myriad factors, including how fast you can go, how much time every day you spend walking, and what detours you’ll need to take to avoid dangerous topography. Such a trip around the moon could take longer than a year, but in reality, there are a lot more challenges to overcome. A total of 12 humans … Read more

Did Exploding Stars Bring Us to Our Feet? – Live Science

June 16, 2019 by scott

As human ancestors went from swinging through trees to walking on two legs, they may have received a boost from an unlikely source: ancient supernovas. These powerful stellar explosions may have showered Earth with enough energy to shift the planet’s climate, bathing Earth in electrons and sparking powerful, lightning-filled storms, according to a new hypothesis. Lightning then could have kindled raging wildfires that scorched African landscapes. As savanna replaced the forest habitat, early humans that lived there may have been pushed to walk on two legs, the new study suggests. However, don’t go jumping to conclusions just yet. Many factors … Read more