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Posts by
Deborah Byrd
Opportunity emerges from Mars dust
We still haven't heard from the Opportunity rover on Mars, which went silent in June when a dust storm engulfed it. Now, at least, the dust has cleared, and we can see the rover!
September 26, 2018
What are haboobs? Amazing pics and videos
Dust storms, also known as haboobs, occur when winds from dying thunderstorms push downward and pick up sand and dirt across desert areas. Amazing pics and video from last summer's haboobs in Arizona, here.
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.
September 26, 2018
See it! 2018’s Harvest Moon
Photos from the EarthSky community of 2018's Harvest Moon. Thanks to all who submitted or posted at EarthSky Facebook!
September 25, 2018
How scientists know our seas are rising faster
Sea levels have been rising since the end of the last Ice Age. But, as climate warms, the rate of the rise is accelerating. A new ESA video explains how we know.
September 24, 2018
Venus and Jupiter, from Brazil
Most of us don't often (or ever) witness the view at sunset, from atop a high mountain, on which is perched an astronomical observatory. The 2 planets here are Venus and Jupiter.
September 23, 2018
It’s Mid-Autumn Festival time in Asia
In China and other Asian countries, it's sometimes called the Moon Festival in honor of the upcoming full moon.
September 23, 2018
Why is Earth’s spin axis drifting?
As Earth rotates, its spin axis -- an imaginary line that passes through the North and South Poles -- drifts and wobbles. Scientists now have, for the 1st time, identified 3 reasons why.
September 23, 2018
Why your equinox sun rises and sets due east and west
How is it possible for an equinox sun to rise due east - and set due west - for everyone around the world? How can you visualize it? Illustrations here.
September 21, 2018
Life imitates art? Astronomers find Star Trek planet Vulcan
In recent decades, astronomers and Trekkies had fun speculating on what might serve as Spock's home star. Many settled on 40 Eridani A, about 16 light-years away. Now a Vulcan-esque planet has been found for this star!
September 19, 2018
