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April 20, 2018

20 Aug

August 20, 2018

Waxing gibbous moon

Moon’s age: 9 days 7 hours (at noon EST)

Fraction of the Moon illuminated: 68 percent (midnight EST) 73 percent (noon EST)

On this day in 1971, Texas Instruments introduced the first pocket calculator, the Pocketronic. The device sold for $149 and weighed about 2.5 pounds.

On this day in 1977, Voyager 2 was launched by NASA; Voyager 1 was launched the following month, on September 5. Voyager 2’s primary mission was to collect photos and data of Jupiter and Saturn, but it also reached Uranus and Neptune.

DEFINITIONS

Times. Time of day is indicated as UT (Universal Time), EST (Eastern Standard Time), CST (Central Standard Time), MST (Mountain Standard Time), and PST (Pacific Standard Time). To figure Daylight Saving Time when in effect locally, subtract one hour from the time indicated for a U.S. time zone. Because of the time difference between UT and North America, at the time of a full moon or other moon phase, the date may fall a day earlier in the United States (indicated when this occurs).

Fraction of the Moon illuminated. The percentage of the front (visible) side of the moon that is lit by sunlight, with 0 percent indicating a new moon (not visible) and 100 percent indicating a full moon (no shadow visible); quarter moons are 50 percent illuminated. Below 5 percent illumination, when the lit portion is a slim crescent (on the left side for a waning moon – “old crescent moon” and on the right side for a waxing moon – “new crescent moon”) it may not be visible in most locations. The percentage is computed by the Astronomical Applications Department/U.S. Naval Observatory. In the course of a 24 hour period, the percentage will either increase or decrease at a varying rate depending on the phase, with the slowest visible change occurring around the time of the full moon and the fastest visible change occurring around the time of the new moon. This is due to the effect of light from the sun illuminating the spherical surface of the Moon.

Moon’s age. One complete lunation (a complete cycle from one new moon to the next new moon) occurs in an average of 29.5 days. The “moon’s age” is the number of calendar days from the time of the new moon, shown here with the number of hours depicted as a rounded number. The figure listed is for noon, EST.

©  Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Kim Long.

April 19, 2018

19 Aug

August 19, 2018

Waxing gibbous moon

Moon’s age: 8 days 7 hours (at noon EST)

Fraction of the Moon illuminated: 59 percent (midnight EST) 64 percent (noon EST)

On this day in 1909, the first automobile race was held at the newly constructed Indianapolis Motor Speedway. The first race was won by an Austrian driver at an average speed of 57 miles per hour; the original track surface of tarred gravel contributed to the deaths of two drivers, two mechanics, and two bystanders.

On this day in 1977, Groucho Marx died. He was 86 and died of pneumonia.

DEFINITIONS

Times. Time of day is indicated as UT (Universal Time), EST (Eastern Standard Time), CST (Central Standard Time), MST (Mountain Standard Time), and PST (Pacific Standard Time). To figure Daylight Saving Time when in effect locally, subtract one hour from the time indicated for a U.S. time zone. Because of the time difference between UT and North America, at the time of a full moon or other moon phase, the date may fall a day earlier in the United States (indicated when this occurs).

Fraction of the Moon illuminated. The percentage of the front (visible) side of the moon that is lit by sunlight, with 0 percent indicating a new moon (not visible) and 100 percent indicating a full moon (no shadow visible); quarter moons are 50 percent illuminated. Below 5 percent illumination, when the lit portion is a slim crescent (on the left side for a waning moon – “old crescent moon” and on the right side for a waxing moon – “new crescent moon”) it may not be visible in most locations. The percentage is computed by the Astronomical Applications Department/U.S. Naval Observatory. In the course of a 24 hour period, the percentage will either increase or decrease at a varying rate depending on the phase, with the slowest visible change occurring around the time of the full moon and the fastest visible change occurring around the time of the new moon. This is due to the effect of light from the sun illuminating the spherical surface of the Moon.

Moon’s age. One complete lunation (a complete cycle from one new moon to the next new moon) occurs in an average of 29.5 days. The “moon’s age” is the number of calendar days from the time of the new moon, shown here with the number of hours depicted as a rounded number. The figure listed is for noon, EST.

©  Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Kim Long.

August 18, 2018

18 Aug

August 18, 2018

FIRST QUARTER MOON

7:49 am UT; 2:49 am EST; 1:49 am CST; 12:49 am MST. Occurs previous day: 11:49 pm PST

Moon’s age: 7 days 7 hours (at noon EST)

Fraction of the Moon illuminated: 49 percent (midnight EST) 54 percent (noon EST)

On this day in 1587, English-born settlers in what is now North Carolina gave birth to the first non-native baby in America. She was named Virginia (Dare). The child, her parents, and the other settlers in that location, Roanoke Island, disappeared and were assumed to have perished when a ship from England arrived there a few years later.

On this day in 1909, the Mayor of Tokyo presented 2,000 cherry trees to the United States as a symbol of friendship, after hearing that President Taft’s wife had admired the trees’ blossoms during a visit to Japan. All of the gifted trees were destroyed after they were found to be infested with insects and fungus. A replacement shipment in 1912 was successfully planted.

DEFINITIONS

Times. Time of day is indicated as UT (Universal Time), EST (Eastern Standard Time), CST (Central Standard Time), MST (Mountain Standard Time), and PST (Pacific Standard Time). To figure Daylight Saving Time when in effect locally, subtract one hour from the time indicated for a U.S. time zone. Because of the time difference between UT and North America, at the time of a full moon or other moon phase, the date may fall a day earlier in the United States (indicated when this occurs).

Fraction of the Moon illuminated. The percentage of the front (visible) side of the moon that is lit by sunlight, with 0 percent indicating a new moon (not visible) and 100 percent indicating a full moon (no shadow visible); quarter moons are 50 percent illuminated. Below 5 percent illumination, when the lit portion is a slim crescent (on the left side for a waning moon – “old crescent moon” and on the right side for a waxing moon – “new crescent moon”) it may not be visible in most locations. The percentage is computed by the Astronomical Applications Department/U.S. Naval Observatory. In the course of a 24 hour period, the percentage will either increase or decrease at a varying rate depending on the phase, with the slowest visible change occurring around the time of the full moon and the fastest visible change occurring around the time of the new moon. This is due to the effect of light from the sun illuminating the spherical surface of the Moon.

Moon’s age. One complete lunation (a complete cycle from one new moon to the next new moon) occurs in an average of 29.5 days. The “moon’s age” is the number of calendar days from the time of the new moon, shown here with the number of hours depicted as a rounded number. The figure listed is for noon, EST.

©  Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Kim Long.

August 17, 2018

17 Aug

August 17, 2018

FIRST QUARTER MOON

7:49 am UT; 2:49 am EST; 1:49 am CST; 12:49 am MST. Occurs previous day: 11:49 pm PST

Moon’s age: 6 days 7 hours (at noon EST)

Fraction of the Moon illuminated: 39 percent (midnight EST) 44 percent (noon EST)

On this day in 1896, three prospectors discovered gold in Bonanza Creek in the Yukon Territory of Canada, triggering a gold rush that lasted for several years.

On this day in 1951, the small village of Pont St.-Esprit, France, experienced one of the last reported mass poisoning from ergotism in modern times. Ergotism is a disease linked to spoiled grain used for baking; also known in history as St. Anthony’s Fire, ergotism is usually linked to hallucinations and indigestion – in this case, more than 200 villagers reported getting ill, 31 went insane, and 4 died.

DEFINITIONS

Times. Time of day is indicated as UT (Universal Time), EST (Eastern Standard Time), CST (Central Standard Time), MST (Mountain Standard Time), and PST (Pacific Standard Time). To figure Daylight Saving Time when in effect locally, subtract one hour from the time indicated for a U.S. time zone. Because of the time difference between UT and North America, at the time of a full moon or other moon phase, the date may fall a day earlier in the United States (indicated when this occurs).

Fraction of the Moon illuminated. The percentage of the front (visible) side of the moon that is lit by sunlight, with 0 percent indicating a new moon (not visible) and 100 percent indicating a full moon (no shadow visible); quarter moons are 50 percent illuminated. Below 5 percent illumination, when the lit portion is a slim crescent (on the left side for a waning moon – “old crescent moon” and on the right side for a waxing moon – “new crescent moon”) it may not be visible in most locations. The percentage is computed by the Astronomical Applications Department/U.S. Naval Observatory. In the course of a 24 hour period, the percentage will either increase or decrease at a varying rate depending on the phase, with the slowest visible change occurring around the time of the full moon and the fastest visible change occurring around the time of the new moon. This is due to the effect of light from the sun illuminating the spherical surface of the Moon.

Moon’s age. One complete lunation (a complete cycle from one new moon to the next new moon) occurs in an average of 29.5 days. The “moon’s age” is the number of calendar days from the time of the new moon, shown here with the number of hours depicted as a rounded number. The figure listed is for noon, EST.

©  Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Kim Long.

August 16, 2018

16 Aug

August 16, 2018

Waxing crescent moon

Moon’s age: 5 days 7 hours (at noon EST)

Fraction of the Moon illuminated: 29 percent (midnight EST) 34 percent (noon EST)

On this day in 1858, the first official telegraph message was sent via an undersea cable from England to the United States. The message was from Queen Victoria to President Buchanan and consisted of 99 words; the transmission took an average of 2 minutes per letter and a total transmission time of about 18 hours.

On this day in 1954, Sports Illustrated magazine officially debuted. Copies of the magazine actually appeared on newsstands on August 12; at its launch, Sports Illustrated attracted 300,000 subscribers. On the cover of issue no. 1: Eddie Mathews of the Milwaukee Braves swinging at bat against the New York Giants, in a game at County Stadium, Milwaukee.

DEFINITIONS

Times. Time of day is indicated as UT (Universal Time), EST (Eastern Standard Time), CST (Central Standard Time), MST (Mountain Standard Time), and PST (Pacific Standard Time). To figure Daylight Saving Time when in effect locally, subtract one hour from the time indicated for a U.S. time zone. Because of the time difference between UT and North America, at the time of a full moon or other moon phase, the date may fall a day earlier in the United States (indicated when this occurs).

Fraction of the Moon illuminated. The percentage of the front (visible) side of the moon that is lit by sunlight, with 0 percent indicating a new moon (not visible) and 100 percent indicating a full moon (no shadow visible); quarter moons are 50 percent illuminated. Below 5 percent illumination, when the lit portion is a slim crescent (on the left side for a waning moon – “old crescent moon” and on the right side for a waxing moon – “new crescent moon”) it may not be visible in most locations. The percentage is computed by the Astronomical Applications Department/U.S. Naval Observatory. In the course of a 24 hour period, the percentage will either increase or decrease at a varying rate depending on the phase, with the slowest visible change occurring around the time of the full moon and the fastest visible change occurring around the time of the new moon. This is due to the effect of light from the sun illuminating the spherical surface of the Moon.

Moon’s age. One complete lunation (a complete cycle from one new moon to the next new moon) occurs in an average of 29.5 days. The “moon’s age” is the number of calendar days from the time of the new moon, shown here with the number of hours depicted as a rounded number. The figure listed is for noon, EST.

©  Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Kim Long.

August 15, 2018

15 Aug

August 15, 2018

Waxing crescent moon

Moon’s age: 4 days 7 hours (at noon EST)

Fraction of the Moon illuminated: 19 percent (midnight EST) 24 percent (noon EST)

On this day in 1939, the movie The Wizard of Oz had its premiere performance at Grauman’s Chinese Theater in Hollywood. Based on a best-selling book, the movie has been widely viewed since its premier: the U.S. Library of Congress believes it is now the most-viewed movie in history.

On this day in 1969, The Woodstock Music and Art Fair opened on the farm of Max Yasgur near Bethel, New York. More than 500,000 people attended the milestone event.

DEFINITIONS

Times. Time of day is indicated as UT (Universal Time), EST (Eastern Standard Time), CST (Central Standard Time), MST (Mountain Standard Time), and PST (Pacific Standard Time). To figure Daylight Saving Time when in effect locally, subtract one hour from the time indicated for a U.S. time zone. Because of the time difference between UT and North America, at the time of a full moon or other moon phase, the date may fall a day earlier in the United States (indicated when this occurs).

Fraction of the Moon illuminated. The percentage of the front (visible) side of the moon that is lit by sunlight, with 0 percent indicating a new moon (not visible) and 100 percent indicating a full moon (no shadow visible); quarter moons are 50 percent illuminated. Below 5 percent illumination, when the lit portion is a slim crescent (on the left side for a waning moon – “old crescent moon” and on the right side for a waxing moon – “new crescent moon”) it may not be visible in most locations. The percentage is computed by the Astronomical Applications Department/U.S. Naval Observatory. In the course of a 24 hour period, the percentage will either increase or decrease at a varying rate depending on the phase, with the slowest visible change occurring around the time of the full moon and the fastest visible change occurring around the time of the new moon. This is due to the effect of light from the sun illuminating the spherical surface of the Moon.

Moon’s age. One complete lunation (a complete cycle from one new moon to the next new moon) occurs in an average of 29.5 days. The “moon’s age” is the number of calendar days from the time of the new moon, shown here with the number of hours depicted as a rounded number. The figure listed is for noon, EST.

©  Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Kim Long.

August 14, 2018

14 Aug

August 14, 2018

Waxing crescent moon

Moon’s age: 3 days 7 hours (at noon EST)

Fraction of the Moon illuminated: 11 percent (midnight EST) 15 percent (noon EST)

On this day in 1846, philosopher-writer Henry David Thoreau was arrested after he refused to pay a federal tax, a act he described as civil disobedience because of his opposition to the Mexican War. Thoreau spent the night in jail.

On this day in 1912, by act of Congress, the Public Health Service was formed out of the existing Public Health and Marine Hospital Services department, and authorized to to investigate human diseases, sanitation, sewage disposal, and water supplies.

DEFINITIONS

Times. Time of day is indicated as UT (Universal Time), EST (Eastern Standard Time), CST (Central Standard Time), MST (Mountain Standard Time), and PST (Pacific Standard Time). To figure Daylight Saving Time when in effect locally, subtract one hour from the time indicated for a U.S. time zone. Because of the time difference between UT and North America, at the time of a full moon or other moon phase, the date may fall a day earlier in the United States (indicated when this occurs).

Fraction of the Moon illuminated. The percentage of the front (visible) side of the moon that is lit by sunlight, with 0 percent indicating a new moon (not visible) and 100 percent indicating a full moon (no shadow visible); quarter moons are 50 percent illuminated. Below 5 percent illumination, when the lit portion is a slim crescent (on the left side for a waning moon – “old crescent moon” and on the right side for a waxing moon – “new crescent moon”) it may not be visible in most locations. The percentage is computed by the Astronomical Applications Department/U.S. Naval Observatory. In the course of a 24 hour period, the percentage will either increase or decrease at a varying rate depending on the phase, with the slowest visible change occurring around the time of the full moon and the fastest visible change occurring around the time of the new moon. This is due to the effect of light from the sun illuminating the spherical surface of the Moon.

Moon’s age. One complete lunation (a complete cycle from one new moon to the next new moon) occurs in an average of 29.5 days. The “moon’s age” is the number of calendar days from the time of the new moon, shown here with the number of hours depicted as a rounded number. The figure listed is for noon, EST.

©  Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Kim Long.