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Sun glints off atmospheric ice crystals (circled in red) in this view captured by NASA's EPIC instrument on NOAA's DISCOVR satellite. Image Credit: NASA's Goddard Space Flight Center

Mysterious Flashes Coming From Earth That Puzzled Carl Sagan Finally Have An Explanation

16 May , 2017 by

NASA’s EPIC camera aboard NOAA’s DSCOVR spacecraft solves decades old mystery that stymied Carl Sagan. Mysterious flashes are mysterious no more.

Why Does it Rain?

1 Nov , 2016 by

Rain is part of Earth’s all-important hydrological cycle, where water evaporates from the Earth’s surface, condenses, and falls from the sky.

The edge of space. Credit: NASA

How High is Space?

15 Sep , 2016 by Video

Where our atmosphere ends and space begins has been the subject of debate for some time. But thanks to decades of exploration, we have a working definition.

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How Do We Terraform Jupiter’s Moons?

22 Apr , 2016 by

Jupiter’s four largest moons – the Galileans – have long been considered as possible sites for human habitation, and even terraforming
Neptune Hurricanes

What Is The Surface of Neptune Like?

20 Apr , 2016 by

As a gas giant, Neptune has no surface, in the traditional sense. But atop its cloud layers, some pretty amazing things are happening
The varying brightness in Pluto's atmosphere is caused by atmospheric gravity waves, or buoyancy waves. Image: NASA/New Horizons/Johns Hopkins APL/SWRI

Gravity Waves On Pluto?

19 Apr , 2016 by

The changing brightness of the haze layers in Pluto’s nitrogen atmosphere are caused by atmospheric gravity waves, according to data from New Horizons.

Are there Storms on the Moon?

14 Apr , 2016 by

We’re always concerned about the weather here on Earth, but what about the Moon? Is there any weather up there that astronauts will have to worry about?

Podcast (audio): Download (Duration: 5:08 — 4.8MB)

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Podcast (video): Download (Duration: 5:08 — 67.4MB)

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How Do We Terraform The Moon?

31 Mar , 2016 by Video

Given its proximity to Earth and our history of exploring it, colonizing and terraforming the Moon could be much easier than other Solar bodies

Hubble Directly Measures Rotation of Cloudy ‘Super-Jupiter’

19 Feb , 2016 by

Astronomers use the Hubble Space Telescope to pin down the rotation rate of an exoplanet 170 light years from Earth where it rains rock dust and iron droplets.
Moon halo by Rob Sparks

Why Do We Sometimes See a Ring Around the Moon?

26 Jan , 2016 by

Have you ever seen a ring around the Moon in the sky and wondered what causes it? This is a “moon halo”, and it’s caused by light passing through ice particles suspended in the high atmosphere.

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