Seasons

Four natural divisions in weather and daylight throughout the year resulting from Earth's yearly revolution around the Sun and the tilt of Earth's axis. The seasons are Spring, Summer, Fall, and Winter.

Radio Programs

Getting Close Snuggling close to two giants Friday, January 3, 2014
Watery Skies Casting off into the Celestial Sea Tuesday, October 22, 2013
Venus and Antares Losing a “summer” star Wednesday, October 16, 2013
Moon and Companions Warming up a Martian hemisphere Monday, September 30, 2013
Autumn Nodding away from the Sun Sunday, September 22, 2013
Dog Days The “dog days” of summer Saturday, August 17, 2013
Water Carriers Starry vessels in the midnight sky Thursday, August 8, 2013
Distant Sun Moving away from the Sun Friday, July 5, 2013
Summer Lining up the summer solstice Thursday, June 20, 2013
Spring Springing into a new season Tuesday, March 19, 2013
Fire and Ice Fire and ice in the sky Tuesday, January 1, 2013
Earliest Sunset Stretching out the December sunset Sunday, December 16, 2012
Summer Markers Two summer stalwarts disappear Sunday, October 21, 2012
Dog Days Sweating through the Dog Days of summer Monday, August 6, 2012
Cygnus A “snowbird” that heads west instead of south Monday, July 30, 2012
Distant Sun Slipping away from the Sun Wednesday, July 4, 2012
Summer Solstice Lining up the summer solstice Wednesday, June 20, 2012
Moving Clouds Clouds that move with the seasons Sunday, May 6, 2012
Moon, Saturn, and Spica Bracketing the horn of the dragon Friday, April 6, 2012
Summertime The good old summertime Friday, March 30, 2012
December Solstice A pale light in the daytime sky Wednesday, December 21, 2011
Harvest Moon Balancing the Harvest Moon Sunday, September 11, 2011
Summer Solstice Hot times in northern climes Tuesday, June 21, 2011
Earliest Sunrise Getting ready for some early sunshine Sunday, June 12, 2011
Vanishing Orion A seasonal marker disappears Sunday, May 1, 2011
Spring Equinoxes The start of spring on two worlds Sunday, March 20, 2011
February Counting up the days of February Tuesday, February 1, 2011
Earth at Perihelion Soaking up some extra sunlight Monday, January 3, 2011
Winter Solstice Marking the start -- or middle -- of winter Tuesday, December 21, 2010
Hunter's Moon Hunting up some extra moonlight Friday, October 22, 2010
Earth at Aphelion Our "eccentric" orbit around the Sun Monday, July 5, 2010
Summer Solstice Lighting up the start of summer Sunday, June 20, 2010
Uranus Changing seasons on a giant planet Tuesday, June 1, 2010
May Day Middle of spring or beginning of summer? Saturday, May 1, 2010
March Ram March goes out like a grown-up lamb Saturday, March 27, 2010
Saturn at Opposition A long season under the Sun Sunday, March 21, 2010
Spring Equinox Mapping out the seasons Friday, March 19, 2010
Moon and Spica Reaping a celestial bounty Tuesday, March 2, 2010
November Counting up the months Sunday, November 1, 2009
Halloween Spooky nights under the dome Saturday, October 31, 2009
Mars Equinox Changing seasons on the Red Planet Tuesday, October 27, 2009
Autumnal Equinox II Tilting toward a new season Tuesday, September 22, 2009
Autumnal Equinox Keeping the seasons in sync Monday, September 21, 2009
Changing Seasons Changing seasons on a hazy planet Friday, September 18, 2009
Uranus at Opposition A planet lies down on the job Wednesday, September 16, 2009
Lammas Blessing the start of a new season Saturday, August 1, 2009
Summer Solstice The Sun comes to a standstill Sunday, June 21, 2009
Alta Vista Watching for the Sun to turn around Saturday, June 20, 2009
Changing Seasons Changing seasons in the evening sky Friday, April 3, 2009
Vernal Equinox "Zeroing out" the cosmos Friday, March 20, 2009
Shifting Seasons Charging away from the celestial ram Saturday, March 7, 2009
Little February Playing around with the shortest month Sunday, February 1, 2009

Featured Images

Endeavour Crater, winter home of the Opportunity Mars rover
Winter Wonderland Thursday, January 26, 2012
Western sky a couple of hours after sunset in late December
Happy Holidays! Saturday, December 25, 2010

Resources

Aries, the Ram Aries, the ram, is a faint pattern marked by...

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