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Closest far-moon of 2017 on August 30
Today's moon reaches its most distant point from Earth for the month. Astronomers call this point an "apogee" of the moon. This month's apogee is closer than any other in 2017.
August 30, 2017
Floods: Not just a coastal issue
As Hurricane Harvey shows, flooding can happen wherever large storms stall and dump lots of rain. A new study finds development is increasing in flood zones far from any coast.
August 29, 2017
Old Faithful geyser at night
"Watching it from such a close distance is a magical experience!"
August 29, 2017
Mystery of high-energy cosmic rays
Hold out your hand for 10 seconds. A dozen electrons and muons just zipped through your palm. These cosmic rays, scientists believe, come from violent explosions in deep space.
August 28, 2017
5-hour pinhole exposure of total eclipse
This is a long-exposure photo of the sun, moving across the sky on August 21, 2017. Ian Hennes captured it with a lensless pinhole camera, in this case a beer can. It shows the total eclipse!
August 28, 2017
Moon and star Antares on August 28
Tonight – August 28, 2017 – let the moon be your guide to the red star Antares. The humongous size of this red supergiant star is truly difficult to fathom!
August 28, 2017
Jurassic Park 5 – The Eclipse!
Just kidding. There's really no movie by this name. But there should be, don't you think? Photo by Fred Espenak, aka Mr. Eclipse.
August 27, 2017
Confused sunflowers during eclipse?
A solar eclipse causes changes in the sun and sky, in the illumination of the landscape around you, in animals ... but in plants?
August 26, 2017
Hidden river once flowed under Antarctica
"Ice, by itself, is only capable of flowing at velocities of no more than tens of meters per year. That means the ice is being helped along. It’s sliding on water or mud or both."
August 25, 2017
Crescent suns in downtown Portland
Crescent suns - created via the pinhole effect - on buildings in downtown Portland, Oregon during the eclipse. Cool photo and an awesome effect to watch for during eclipses!
August 25, 2017
