March 17 - Top Stories This Week

March 17 Top Stories This Week by:

Measuring universe expansion reveals mystery Is something unpredicted going on in the depths of space? Mexico City earthquake was rare ‘bending’ quake Seismologists say the 2017 Mexico quake was unusual, but could happen again. The science of fake news gets a boost Scientists call for studies of fake news. Plus a word about so-called "chemtrails." The most inspirational space video, ever Worried our human species is making a mess of things? Carl Sagan wants to tell you something. Pluto craft's next target is Ultima Thule New Horizons passed Pluto in 2015. Its next target is on the fringes of our solar system. Hubble finds relic galaxy close to home A rare and odd assemblage of stars that has remained essentially unchanged for the past 10 billion years. Stunning Mars images, from Curiosity Curiosity rover has sent back some beautiful new images of the foothills of Mount Sharp in Gale Crater. Tonight … Is Sirius the most luminous star? Sirius is our sky's brightest star (although not as bright as the planets Jupiter and Venus), but not the most luminous star in the sky.

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Tonight … Is Sirius the most luminous star? Look outside tonight, and you can't miss Sirius, the brightest, but not most luminous, star in the nighttime sky. Photo by Tom Wildoner.

Colorado serenade See gorgeous skies over the Colorado River in the Grand Canyon National Park in this timelapse from SKYGLOW. Submit your photo to EarthSky here! Did a friend forward EarthSkyNews to you? Click here to get your own subscription!

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