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Posts by
Kelly Kizer Whitt
Today's Image
Curiosity sees rare clouds on Mars
Clouds on Mars are infrequent, but the Curiosity rover has captured some. Scientists are analyzing the images to learn about these elusive atmospheric delights.
May 31, 2021
Today's Image
What’s this rainbow patch in the sky?
One EarthSky reader captured a photo of a rainbow patch hanging below a cloud, looking almost like a sheet of rain. What was it?
May 28, 2021
Space
Meteors from rare long-period comets
With a global camera network, scientists track meteors of long-period comets - which take thousands of years to orbit once - to predict the next meteor rain.
May 27, 2021
Saturn’s cold blue hemisphere
In recent years, earthly observers couldn't see Saturn's southern hemisphere. It was largely hidden behind Saturn's rings. In 2021, Saturn's rings and north pole reached their maximum tilt toward Earth, and now the southern hemisphere is coming back into view ... colored blue.
May 21, 2021
At long last, a radio telescope on the moon’s far side
The Lunar Crater Radio Telescope is now moving into Phase 2 of development. It'll be built by robots, into a natural bowl-shaped crater on the moon's far side. If completed, it'll be the largest radio telescope in the solar system.
May 19, 2021
See a nova or “new” star. V1405 Cas is now visible to the eye
A nova that first brightened in March of 2021 has now flared bright enough to be seen without binoculars or a telescope.
May 13, 2021
New type of aurora revealed in 19-year-old video
Scientists call it a "diffuse auroral eraser." That's because this newly named aurora first appears as a bright stripe over a diffuse auroral background. Then, when it disappears, it scrubs out the faint auroral light behind it.
May 13, 2021
Voyager 1 detects a hum in interstellar space
Now 8 years into its travels in the deep reaches of space between the stars, Voyager 1 has detected a faint, low-level hum. It stems from the vibration of the plasma, or ionized gas, in interstellar space.
May 12, 2021
The Brood X cicadas are emerging now
Some areas of the United States are starting to report the emergence of the Brood X cicadas after their 17-year absence.
May 11, 2021
Photos from 2021’s Eta Aquariid meteor shower
Check out these pics from the annual Eta Aquariid meteor shower. The peak morning was likely May 5, 2021, but the following morning, May 6, might be good, too.
May 5, 2021
