June 6 - Sharks' 6th Sense Tuned to Attack

June 6 Sharks' 6th Sense Tuned to Attack by:

Sharks' 6th sense tuned to attack In recent studies, sharks had a simple reaction to a wide range of electric fields, suggesting their system is tuned for one thing: catching prey. Can you see better than your dog, cat or goldfish? How does your kitchen look through the eyes of a cat, fish, fly or mosquito? A new study compares our human eyesight to the vision of other creatures. When did humans learn to count? Linguistic clues help determine how people around the world first developed mathematical thought. Help EarthSky keep going! Thanks SO MUCH to everyone who's donated so far in our annual crowd-funding campaign. Donate here to help EarthSky thrive! Tonight … Southern Cross: A southern sky signpost If you live in the Southern Hemisphere, this is a good time of year to see the Southern Cross.

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Tonight … Southern Cross: A southern sky signpost If you live in the Southern Hemisphere, look for the Southern Cross in your southern sky, as soon as darkness falls. This photo by Jv Noriega shows the Southern Cross as seen from Manila.

Vesturhorn reflection Wow! Photo by Grafixart Sam of Vesturhorn Mountain in Iceland. Submit your photo to EarthSky here! Did a friend forward EarthSkyNews to you? Click here to get your own subscription!

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June 4 - Globular Clusters Get Younger

June 5 Dunes on Pluto by:

Dunes on Pluto? Yes, but made of methane ice​​ The discovery of methane dunes on Pluto is an indication of another way in which this planet mimics Earth, but in a way that is utterly unique and alien. Globular clusters not as old as thought?​ New research suggests that globular clusters - once thought to be nearly as old as the universe itself - aren't that old, after all. They might be only around 9 billion years old. Tonight ... Find the Summer Triangle​​ The Summer Triangle is a large star pattern made of 3 bright stars in 3 separate constellations.  Help EarthSky keep going! Thank you to all who've donated so far in our annual crowd-funding campaign. Can you help? Donate here. June guide to the bright planets​​ Here's how to find the bright planets - Jupiter, Venus, Mars, Saturn, Mercury - this month.

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Tonight ... Find the Summer Triangle​​ Look for it ascending in the east on these June evenings.

Shelf cloud over Florida​​ Shelf cloud bringing rain on Ormond Beach, Florida, on June 1. Rita Addison wrote: "I watched it move over us, taking many pictures in stages. So excited ... wanted to share." Thanks, Rita! Submit your photo to EarthSky here! Did a friend forward EarthSkyNews to you? Click here to get your own subscription!

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June 4 - Fuego Volcano's Fury

June 4 Fuego Volcano's Fury by:

Guatemala's Fuego volcano erupts in fury Reports indicate at least 25 dead and hundreds injured from Sunday's powerful eruption of Volcan de Fuego, one of Central America's most active volcanoes. These distant moons may harbor life   Astronomers have identified 121 giant exoplanets whose moons might be capable of supporting life. June guide to the bright planets​​ Here's how to find the bright planets - Jupiter, Venus, Mars, Saturn, Mercury - this month. Help EarthSky keep going! Thank you to all who've donated so far in our annual crowd-funding campaign. Can you help? Donate here. Tonight … Big and Little Dippers​ On June evenings, the Big Dipper is easy to find, high in the north. Find it, and let it be your guide to the Little Dipper.

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Big and Little Dippers easy on June evenings​​ The 2 outermost stars in the Big Dipper's bowl are sometimes called The Pointers. They point to Polaris, the North Star. Polaris marks the end of the handle of the Little Dipper.

Guatemala's Fuego volcano erupts in fury​ Fuego volcano's moment of eruption on Sunday, via @MLopezSanMartin on Twitter. Submit your photo to EarthSky here! Did a friend forward EarthSkyNews to you? Click here to get your own subscription!

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