During the COVID-19 pandemic, we are constantly reminded to practice good hygiene by regularly washing our hands and regularly cleaning the spaces where we live and work. These practices aim to remove or kill the coronavirus that causes COVID-19 and thereby minimize our risk of infection. But there have been …
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It is common knowledge that the Sun is the center of the Solar System. Around him, planets orbit, along with a thick asteroid belt, a few meteor fields, and a handful of far distant comets. But that is not the whole story. “Instead, everything orbits around the center of mass …
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The Hubble Space Telescope has spent the past 30 years orbiting 547 km (340 miles) above Earth. The old satellite has had a couple of problems in the past few years, but amazing photos of our cosmic courtyard have yet to be taken. For example, earlier this month, Hubble flexed …
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In the early days of the Solar System, baby Earth may have taken much less time to form than we previously thought. According to an analysis conducted in February 2020, there is evidence that most of the Earth took only 5 million years to come together, several times longer than …
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When you imagine the Solar System in your head, most people think of the Sun, motionless and stationary in the center, with everything else buzzing around it. But each body in the Solar System also exerts its own gravitational pull on the star, causing it to move only slightly. Therefore, …
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