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Solar Flare

Space Weather: Sunspot...

Here at the Almanac, we have long believed that solar activity can influence weather here on Earth...
Total Solar Eclipse

How to Safely View the...

Is it dangerous to stare at the Sun—or, a solar eclipse? As we prepare for the 2017 total solar...
bee&sunflower

First Day of Summer:...

The timing of the June solstice—or, summer solstice in the Northern Hemisphere—varies between June...
Welcome Spring Equinox

Spring Equinox 2018:...

Celebrate the spring equinox 2018! Here are equinox dates, fun facts, and folklore about the first...
Aurora

Aurora: Nature's...

The aurora borealis or northern lights is one of nature’s most dazzling events. Shimmering curtains...
What are Sunspots

Sunspots: What are...

The Old Farmer’s Almanac uses sunspot activity to help in making its weather predictions. What are...
Our Sun

The Influence of Solar...

What is the influence of solar activity on the weather? Dr. Richard Head, who was the weather...
Autumn Leaves Montage

The Autumnal Equinox

Coming up next week is the Blood Moon. Also called the MegaMoon. Or, the Mega Harvest Moon. Or, the...
Aurora

The Sun is Flipping Out!

Look up! You can see the biggest somersault in the solar system. The sun is in the middle of a...
"Sun"sational Evening on Lake Ontario

The Sun Always Shines...

Have you ever noticed that on an overcast day the sun will often break through the clouds close to ...
Total Eclipses of Sun

Next Total Eclipse of...

When is the next total eclipse of the Sun? See our dates when the total solar eclipse is visible...
Solar Image

The Eight Layers of the...

The Sun is Hotter Than Hot! The Sun's temperature varies over time and throughout these seven...
Sun Wolf

The Gravitational Pull...

The Sun Has a Lot of Pull! The Sun makes up more than 99 percent of the total mass of the solar...
Sunlight From Space

How Fast Does the Sun...

The Sun Moves Ver-r-r-y Slowly The Sun is the center of our solar system, but it doesn't stay in...
Sun's Energy

How Much Energy Does...

The Sun Is a Huge Ball of Energy The Sun is about 865,000 miles in diameter. That's as wide as...
Sun Over City

The Earth's Orbit...

The Sun Is Really Far Away The Sun is about 93 million miles away from Earth. The actual distance...
Sunset

What is the Sun Made of?

What's the Sun made of? It's not solid. The Sun is composed of plasma, a material made from...
Horizon Sunset

How Old is the Sun?

The Sun is one of 100 billion stars in our Milky Way galaxy. Scientists estimate that the Sun is...