Month: May 2024

Saint Joan of Arc

Saint Joan of Arc has been the subject of many plays and books, and her life is riddled with legend. But we know that she was a very spiritual young woman who led the French in battle against the English. In a politically motivated trial, Joan was condemned to death and burned at the stake.

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Webb Spots a Starburst

Featured in this new image from the NASA/ESA/CSA James Webb Space Telescope is the dwarf galaxy NGC 4449. This galaxy, also known as Caldwell 21, resides roughly 12.5 million light-years away in the constellation Canes Venatici. NGC 4449 has been forming stars for several billion years, but it is currently experiencing a period of star formation at a much higher rate than in the past. Such unusually explosive and intense star formation activity is called a starburst and for that reason NGC 4449 is known as a starburst galaxy. Starbursts usually occur in the central regions of galaxies, but NGC 4449 displays more widespread star formation activity, and the very youngest stars are observed both in the nucleus and in streams surrounding the galaxy. It’s likely that the current widespread starburst was triggered by interaction or merging with a smaller companion; indeed, astronomers think NGC 4449’s star formation has been influenced by interactions with several of its neighbors.

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Saint Madeleine Sophie Barat

Saint Madeleine Sophie Barat lived in France during the French Revolution. Concerned about the education of children, especially girls, and feeling a call to the religious life, she founded the Society of the Sacred Heart. The sisters worked for the education of the poor and ran boarding schools for the well-to-do.

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Apollo 10 Ends Successfully

Astronaut Eugene A. Cernan, lunar module pilot, egresses the Apollo 10 spacecraft during recovery operations in the South Pacific. U.S. Navy underwater demolition team swimmers assisted in the recovery operations. Already in the life raft were astronauts Thomas P. Stafford (left), commander; and John W. Young, command module pilot. The three crewmen were picked up by helicopter and flown to the prime recovery ship, USS Princeton.

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Electron correlation

A rendition of an electron correlation that can occur when stacking five ultrathin flakes of graphite in a specific order

Physicists discovered that isolating five ultrathin flakes of graphite, stacked in a specific order, allows the electrons moving around inside the material to talk with each other, a process known as electron correlation (pictured here). The resulting material can then be tuned to exhibit important …

This is an NSF Multimedia Gallery item.

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Apollo 9 Astronaut David Scott’s Spacewalk

Excellent view of the docked Apollo 9 command and service modules (CSM) and lunar module (LM), with Earth in the background, during astronaut David R. Scott’s stand-up spacewalk, on the fourth day of the Apollo 9 Earth-orbital mission. Scott, command module pilot, is standing in the open hatch of the command module. Astronaut Russell L. Schweickart, lunar module pilot, took this photograph of Scott from the porch of the LM. Inside the LM was astronaut James A. McDivitt, Apollo 9 commander.

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Saint Philip Neri

For many years after his student days, Saint Philip Neri lived as a layman engaged in prayer and apostolic works in Rome. During this time, he attracted many to join him—poor and rich. After ordination, he became a noted confessor and eventually founded the Oratory, a religious institute, with some of his followers.

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Martian Barchan Dunes

This image shows two types of sand dunes on Mars. The small dots are called barchan dunes, and from their shape we can tell that they are upwind. The downwind dunes are long and linear. These two types of dune each show the wind direction in different ways: the barchans have a steep slope and crescent-shaped “horns” that point downwind, while the linear dunes are stretched out along the primary wind direction. Linear dunes, however, typically indicate a wind regime with at least two different prevailing winds, which stretch out the sand along their average direction. In several places in this image, you can find barchan dunes turning into linear dunes as they are stretched out, but they both seem into indicate the same wind direction.

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Saint Bernardine of Siena

Saint Bernardine of Siena seems to have been a man with a whole lot of energy. He preached, reconciled cities, fought heresy, and attracted great crowds. Bernardine always traveled by foot, and often preached in more than one city on a given day. He is best known today for his great devotion to the Holy Name of Jesus.

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Moon and Sun Over Wyoming

The Moon is seen passing in front of the Sun at the point of the maximum of the partial solar eclipse near Banner, Wyoming on Monday, Aug. 21, 2017. A total solar eclipse swept across a narrow portion of the contiguous United States from Lincoln Beach, Oregon to Charleston, South Carolina. A partial solar eclipse was visible across the entire North American continent along with parts of South America, Africa, and Europe. Photo Credit: (NASA/Joel Kowsky)

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Saint Mary Magdalene de’ Pazzi

Saint Mary Magdalene de’ Pazzi is known as the “ecstatic saint” because of her unusual gifts from God. To safeguard the authenticity of her visions, her confessor had her dictate them to fellow sisters. The result was five volumes encompassing ecstasies, letters, and inspirational sayings. But her life was not all sweetness; she also battled with temptations.

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Helen Ling was a supervisor for the computing group at NASA’s Jet Propulsion Laboratory in the 1960s. She was influential in the inclusion of women in STEM positions at JPL. Ling encouraged women within the computing group to attend night school in order to obtain degrees that would allow them more professional opportunities within JPL. A pioneer for women’s rights in the workplace, Helen Ling was so admired in the computing group that those who worked under her lovingly referred to themselves as “Helen’s girls.” Many of them went on to become computer scientists and engineers within JPL thanks to the mentorship and guidance of Helen Ling.

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Saint Gregory VII

Saint Gregory VII, originally known as Hildebrand, was a reformer before and during his papacy. He struggled to gain the Church’s freedom from undue civil influence and paid a price for his efforts. Gregory VII died in exile in 1085. Thirty years after his death, the Church won its struggle.

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Picture of the day





The title of this stained glass window translates as “Example for Married People”. Located in Pfarrkirche Mariä Himmelfahrt (Nesselwängle, Austria), it depicts two saints who were a married couple, Maria Torribia and Isidore the Farmer. Today is their feast day.
Picture of the day
The title of this stained glass window translates as “Example for Married People”. Located in Pfarrkirche Mariä Himmelfahrt (Nesselwängle, Austria), it depicts two saints who were a married couple, Maria Torribia and Isidore the Farmer. Today is their feast day.
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