Posts by

Eleanor Imster

Study untangles role of pollution, smoke on thunderclouds

Smoky air makes it harder for thunderclouds to grow. But pollution - if it's not too heavy - energizes their growth, according to a new study based on satellite data.

Eleanor Imster

September 30, 2018

Sunset over England

Sam Kelly captured Thursday’s sunset over the Abberton Reservoir in Essex, England.

Eleanor Imster

September 30, 2018

The sun in 2 wavelengths

How our sun looks in 2 different wavelengths at the same time.

Eleanor Imster

September 29, 2018

Hello autumn!

The sun bursting through autumn leaves in Allaire State Park in New Jersey.

Eleanor Imster

September 27, 2018

Scientists spy roving dust storms on Titan

Using data from the Cassini spacecraft, whose mission to Saturn ended a year ago, scientists now say they can see dust storms moving across the surface of Titan, Saturn's largest moon.

Deborah Byrd

Eleanor Imster

September 26, 2018

Which one is ‘Oumuamua’s home star?

The 1st object known to be from another solar system passed through our solar system a year ago. Where did it come from? Astronomers have identified 4 plausible candidates.

Eleanor Imster

Deborah Byrd

September 26, 2018

Were the 2 Magellanic Clouds once 3?

A new study suggests that the Large and Small Magellanic Clouds - small satellite galaxies to our Milky Way - might have once had a 3rd companion.

Eleanor Imster

September 20, 2018

Supernumerary rainbow over New Jersey

Look slightly inside a bright primary bow, and sometimes you'll see these fringes. Their numbers and spacing can change from minute to minute.

Eleanor Imster

September 20, 2018

How leaves tell each other about a bug attack

"We often think of plants as being passive and at the mercy of their environment. My jaw literally dropped when I first saw these videos ... They beautifully illustrate how active and complex plants really are."

Eleanor Imster

September 19, 2018

Waxing moon over Amsterdam

The waxing gibbous moon rising over Amsterdam as the sun sets.

Eleanor Imster

September 19, 2018

Eleanor Imster

Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. She and her husband live in Tennessee, where they enjoy guitar playing and singing. They have 2 grown sons.