Posts by 

Kelly Kizer Whitt

Planetary lineup: How long can you see it?

Look now before sunrise to see the planetary lineup of the 5 bright planets - Mercury, Venus, Mars, Jupiter and Saturn - plus see photos here!

Look for comet C/2017 K2 now in dark skies

Comet C/2017 K2 (PanSTARRS) is nearing Earth as it enters the inner solar system. You can watch it with a small telescope using the star charts here.
Earth

The Tunguska explosion, 114 years ago today

The Tunguska explosion on June 30, 1908, is the largest asteroid impact in recorded history. It flattened 830 square miles of Siberian forest.

Geomagnetic storms: Will you lose power where you live?

Scientists studied past geomagnetic storms to learn more about how strong storms affect the power grid. The maps here show areas most at risk.

Ursa Minor the Lesser Bear is the Little Dipper

Ursa Minor is the Lesser Bear, but you might know it as the Little Dipper. Also, its brightest star is Polaris, the North Star.

Boötes the Herdsman and its bright star Arcturus

Boötes the Herdsman is a large constellation that holds one of the brightest stars in the sky, Arcturus. Only 3 others stars and the sun are brighter.

Yellowstone partially reopened this week after June 13 closure

Historic Yellowstone flooding temporarily closed the park. The park reopened on a limited basis on June 22. Learn why the flood happened here.

Lightning storm largest in California in 5 years

A 2-day lightning storm pummeled California this week with more than 66,000 lightning events, bringing little rain but sparking wildfires.

Norma, home to the Great Attractor

The constellation Norma represents a right angle. It lies in southern skies and is home to the Norma Cluster and the Great Attractor.

Wildfire reaches Kitt Peak. Telescopes safe

A wildfire reached Kitt Peak on July 17, 2022. All of the 20+ telescopes at the site are now reported safe, although outbuildings burned.