
Joe Rao
Latest articles by Joe Rao

Northern Lights May Dazzle Tonight Despite a Bright Moon
By Joe Rao, Astronomer published
A solar flare this week could amp up the northern lights this weekend.

Last Chance to See Doomed German Satellite in Night Sky
By Joe Rao, Astronomer published
Don't miss the last opportunities to see Germany's falling ROSAT satellite in the night sky.

Halley's Comet to Put on Meteor Show Next Week
By Joe Rao, Astronomer published
The Orionids offer one of the best meteor showers all year.

Now Is the Time to See the Mysterious Zodiacal Light
By Joe Rao, Astronomer published
This faint glow can be seen in the predawn sky.

Could Katia Threaten the East Coast?
By Joe Rao, Astronomer published
There is precedent for a hurricane hitting on another's tail.

East Coast Braces for Hurricane Irene
By Joe Rao, Astronomer published
Storm could be first in 3 years to hit US.

Season for Mysterious 'Night-Shining' Clouds Is Here
By Joe Rao, Astronomer published
Noctilucent clouds grace skies in summer months around dusk.

When Will the Horrible Heat Wave End?
By Joe Rao, Astronomer published
Stuck high pressure sends temps soaring, not likely to break soon.

Will Newly Discovered Comet Dazzle or Disappoint in 2013?
By Joe Rao, Astronomer published
Comet C/2011 L4 (PANSTARRS) will make pass through the inner solar system in 2013.

Chilean Volcano Colors Southern Hemisphere Skies
By Joe Rao, Astronomer published
Ash from the eruption alters light's path through the atmosphere.

Meteor Shower Spawned by Halley's Comet Peaks Friday
By Joe Rao, Astronomer published
A meteor shower created by the famed Halley's comet will peak on Friday, May 6.

Reading the Weather Using the Sun, Moon and Stars
By Joe Rao, Astronomer published
Keeping an eye on the night sky can tell a lot about the weather.

'Supermoon' Rises: Biggest Full Moon in 18 Years Occurs Saturday Night
By Joe Rao, Astronomer published
The biggest full moon of 2011 is also a supermoon and arrives March 19.

Rainbows: How They Form & How to See Them
By Joe Rao, Astronomer published
Water droplets refract the sun's light. Sorry, not pots o' gold here.

What's Responsible for Our Wild Winter Weather?
By Joe Rao, Astronomer published
How El Nino, La Nina and other climate forces shaped this winter season.

Strong Solar Flare May Charge Up Northern Lights Tonight
By Joe Rao, Astronomer published
Strong solar flare erupted yesterday, may amplify auroras tonight.

The Myth of Arctic Daylight and Darkness Exposed
By Joe Rao, Astronomer published
Myth: Entire arctic region experiences six months of daylight and six months of darkness.
How to Anticipate a Possible Aurora
By Joe Rao, Astronomer published
More tips on how and where to see auroras.

A Guide for Watching Earth's Auroras
By Joe Rao, Astronomer published
Where and when you can see these amazing light displays.

Gallery: Reading the Clouds
By Joe Rao, Astronomer published
What clouds are and what they say about the weather.
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