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Eleanor Imster

Every point is a galaxy

At first glance, it’s just a square filled with tiny grains of static. But incredible as it is to imagine, every single point of light in this image is actually a distant galaxy, as observed by ESA’s Herschel Space Observatory.

Night-shining clouds over Estonia

Kairo Kiitsak captured an impressive display of noctilucent, or night-shining, clouds, in Simuna, Estonia on July 26, 2018. Noctilucent clouds are seen at high latitudes only from about mid-May to August. Wondrous, if you can catch them!

Most Mars dust comes from one place

“Mars wouldn’t be nearly this dusty if it wasn’t for this one enormous deposit that is gradually eroding over time and polluting the planet, essentially.”

The vanishing of the 1st American dogs

“It is fascinating that a huge population of dogs that inhabited all corners of the Americans for thousands of years could have disappeared so rapidly.”

Tennessee double rainbow

Becky Gillum captured this double rainbow in Cherokee Lake, Tennessee. She said, “With all the storms we’ve been having, it was only a matter of time until a rainbow appeared.”

Mars from the International Space Station

Astronaut photo of Mars from the International Space Station (ISS), In this image, Mars has been highlighted and enlarged 20 times.

Witness the birth of an iceberg

This iceberg broke off Greenland’s Helheim Glacier on June 22. If laid atop New York City, it’d stretch from lower Manhattan to Midtown.

Meteor, Mars and Milky Way

Night sky over South Korea’s Mount Seoraksan.

Listen as Saturn and its moon interact

Spacecraft observations reveal plasma waves moving from Saturn to its rings and its moon Enceladus. Researchers converted a recording of the plasma waves into an audible cosmic whoosh that you’ll enjoy.

Asteroid 2017 YE5 turns out to be double

Asteroid 2017 YE5 swept by Earth in late June. Turns out, it’s a double asteroid, with both bodies almost identical in size and not touching – only the 4th such object ever detected.