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Tag Archives: Eclipse

Specola Guestbook | July 4, 1914: William Wallace Campbell

Sacred Space Astronomy avatarPosted on June 28, 2020 by Robert MackeJune 28, 2020
This entry is part 48 of 76 in the series Specola Guestbook

Since its founding in 1891, many people have passed through the doors of the Vatican Observatory.  A quick perusal of our guestbook reveals several Names, including Popes, nobel laureates, astronauts, actors, and saints. Today’s guestbook entry is from July 4, 1914, when William Campbell made a visit. Next to his name, William Wallace Campbell (1862-1938) wrote, “Lick Observatory, Calif.”  He was director of the Lick Observatory from 1901 to 1930. Why did he pass through the doors of the Vatican Observatory in the summer of 1914?  He was on his way to Russia, where he and a collaborator from the Berlin Observatory planned to photograph an eclipse to test Albert Einstein’s general theory of relativity.  Alas, politics intervened. World War I broke out, with Germany and Russia on opposite sides. Campbell’s collaborator Erwin Freundlich was detained and his equipment confiscated. Campbell (an American) was permitted to continue his work, but with makeshift equipment.  Unfortunately, the weather did not cooperate and … Continue reading →

Posted in Astronomy, History, Uncategorized | Tagged Campbell, Eclipse, Lick Observatory, Specola Guestbook, U.Cal, Vatican Observatory | Leave a reply

Stupid Astronomer Tricks #10: The dark side of the moon

Sacred Space Astronomy avatarPosted on January 22, 2020 by Br. Guy ConsolmagnoJanuary 22, 2020
This entry is part 10 of 18 in the series Stupid astronomer

Down to our last 10 days! We’re running a membership drive this month – our goal is 150 new members – and as a part of it we’re including this blatant clickbait series… Besides, it’s a chance to tell some of the funny stories that come up during cloudy nights at the VATT! The old astronomer tells the tale… There is an effect called the Opposition Effect where solid bodies such as the Moon and Mars get significantly brighter when they are opposite the Sun. Part of the reason is the fact that the whole disk looks brighter when there are no shadows; the Full Moon is 40% brighter than the Moon even only one day before or after. (Check this out for yourself!) But when the the light is virtually exactly behind you (“zero phase angle”, or at least an angle much less than one degree) there is a second effect that kicks in, called coherent backscatter, which is due … Continue reading →

Posted in Fundraising | Tagged Eclipse, humor, Moon | Leave a reply

The Photoheliograph pt. 2

Sacred Space Astronomy avatarPosted on August 13, 2018 by Chris OlsenAugust 23, 2018
This entry is part 2 of 4 in the series Photoheliograph

The eclipse of 1860 In 1858, Warren De la Rue was visiting Russia on a business trip and was introduced to the idea of photographing the 1860 Solar eclipse that was to occur in Spain by Dr. Medler. He also was shown a Daguerreotype of the 1851 eclipse taken by Dr. Busch with the Konigsberg Heliometer. At first, he was unimpressed with the detail of the Daguerreotype (that is to say the lack of detail of the “protuberances”, not the image itself) and was a little concerned with the practicality of photographing such an event. He was quick to observe that the state of the photographic art and that of celestial photography itself had advanced considerably in the intervening 7 years. He had determined to make the trip himself, but was limited in instruments to photograph with. He had in his own collection several telescopes with which to photograph, however they were limited in image size, the largest of which … Continue reading →

Posted in History, Science | Tagged Airy, Eclipse, Telescope, victorian science, Warren De la Rue | 1 Reply

In the Sky this Week – February 6, 2018

Sacred Space Astronomy avatarPosted on February 6, 2018 by Bob TrembleyFebruary 6, 2018
This entry is part 34 of 179 in the series In the Sky This Week

Saturn, Mars, Jupiter, and the bright stars Antares and Spica all adorn the southern predawn sky. The Moon will be joining the party for the next several days – appearing near Jupiter on the 7th, between Jupiter and Mars on the 8th, and close to Mars on the 9th. This same region of the sky looks very different when viewed from the southern hemisphere; the image below is seen from the perspective of the Perth Observatory in Australia. The Moon The Moon put on a great show during the total lunar eclipse last week; Jason Major took this beautiful moonrise eclipse image: The Moon is a waning gibbous and will be at third quarter on the 7th. The Moon rises around midnight, and sets around noon. This weekend the Moon will be a waning crescent, rising a few hours before dawn, and setting in the afternoon. The Sun The Sun has a spot! A rather large and enthusiastic spot – … Continue reading →

Posted in Astronomy, Outreach | Tagged Coronal Hole, Eclipse, Jupiter, Mars, Moon, Saturn, Sun, Sunspot | Leave a reply

In the Sky this Week – January 30, 2018

Sacred Space Astronomy avatarPosted on January 30, 2018 by Bob TrembleyJanuary 30, 2018
This entry is part 33 of 179 in the series In the Sky This Week

Mars, Saturn and Jupiter are all visible in the southern predawn sky; the gap between Mars and Jupiter growing as Mars gets closer to Saturn each morning. Southern sky before dawn, Jan. 30, 2018. Credit: Stellarium / Bob Trembley. The Moon The Moon will be full on the 31st, and with it will come a total lunar eclipse. The total phase of this lunar eclipse will be visible in large parts of US, Russia, Asia, northeastern Europe, the Indian Ocean, Australia, and the Pacific. Hawaii will get an almost perfect view of totality. I couldn’t agree more with this Wired article about the over-use of media-hyped terms for astronomical events like this eclipse. Lunar eclipses are sometimes called “Blood Moons.” Sunlight gets filtered and refracted by the Earth’s atmosphere; when the Moon passes through the Earth’s shadow, it takes on a red-orangeish hue. A Supermoon is when the full Moon is at perigee (its closest approach to Earth). The Moon … Continue reading →

Posted in Astronomy, Commentary, Outreach | Tagged Coronal Hole, Eclipse, Jupiter, Lunar Eclipse, Mars, Moon, Saturn, Sun, Sunspot | Leave a reply

The Great KENTUCKY Eclipse of August 21, 2017: Under Cerulean Skies

Sacred Space Astronomy avatarPosted on August 26, 2017 by Christopher M. GraneyAugust 29, 2017

Hopkinsville, Kentucky billed itself as Eclipseville—it was the closest town of any size to the “point of greatest eclipse”.  And on Monday, August 21 it was Eclipseville indeed. In the later afternoon of Sunday, August 20, I was putting together my last post prior to eclipse day, and wondering whether the weather would be OK, because the forecasts were mixed.  I got the post up on The Catholic Astronomer, and then my wife Tina and I went for a walk around central Hopkinsville to get some exercise in advance of Br. Guy’s talk at Sts. Peter & Paul church there.  (If you are visiting The Catholic Astronomer for the first time, Br. Guy Consolmagno is Director of the Vatican Observatory, and The Catholic Astronomer’s Blogger-in-Chief.) The program at Sts. Peter & Paul began with introductory remarks by Fr. Richard Meredith, who expounded upon the words of Psalm 19: The heavens declare the glory of God; the firmament proclaims the works of … Continue reading →

Posted in Astronomy, Science | Tagged 2017Eclipse, Eclipse, Vatican | Leave a reply

In the Sky This Week – August 22, 2017

Sacred Space Astronomy avatarPosted on August 23, 2017 by Bob TrembleyAugust 29, 2017
This entry is part 29 of 179 in the series In the Sky This Week

Sirius, the “Dog Star,” accompanies Venus low in the eastern predawn sky. Jupiter sets shortly after dusk and will vanish from view entirely in a early September. Saturn is high in the southern sky, and with the planet’s northern hemisphere tilted towards us at about 26°, Saturn is just a spectacular observing target. The Moon, fresh from the eclipse, will be in conjunction with Jupiter in the west at dusk on August 24th and 25th. The Moon will be a waxing crescent in the west at dusk, growing larger each evening until it is at first quarter on August 28th; the later part of this week will be excellent nights for star parties. Sirius, the brightest star in Earth’s sky, is a binary star system about 8.6 light years away. Sirius A is a bright and hot main sequence star, with a faint white dwarf companion: Sirius B. Sirius A is class A0 star about twice the mass of the … Continue reading →

Posted in Astronomy, Outreach | Tagged 2017Eclipse, Conjunction, Eclipse, Jupiter, Moon, Saturn, Sirius, Solar Eclipse | Leave a reply

The Great KENTUCKY Eclipse of August 21, 2017: Will the Weather Hold?

Sacred Space Astronomy avatarPosted on August 20, 2017 by Christopher M. GraneyAugust 29, 2017

For the past week you have been seeing lots of posts about tomorrow’s eclipse and about Hopkinsville, Kentucky, the town at the point of greatest eclipse (or, to be precise, near that point): Click here for Monday’s post on the eclipse. Click here for Wednesday’s. Click here for Friday’s. Click here for Saturday’s. Hopkinsville is also the place that Vatican Observatory Director Br. Guy Consolmagno is visiting for the eclipse. Of course, not everyone can make it to south-western Kentucky to see this eclipse. If you are unable to make it into the path of totality, you might be able to see totality “virtually”, because Hopkinsville has a live camera mounted up high to give a continuous view of the area. Check it out below: Of course, there will not be much to see of this eclipse if the weather is not good. As can be seen from the Monday-Saturday posts, the forecast for the eclipse has gone this way and … Continue reading →

Posted in Astronomy, Science | Tagged 2017Eclipse, Eclipse, Vatican | Leave a reply

The Great KENTUCKY Eclipse of August 21, 2017: Reading the Signs

Sacred Space Astronomy avatarPosted on August 19, 2017 by Christopher M. GraneyAugust 29, 2017

Two days from the eclipse and I am in Hopkinsville. Anyone passing through, even if they did not know that there was an eclipse here, would know that a Big Event is taking place. The signs are everywhere. Some of those signs are the busy-ness of landowners along Kentucky State Highway 91 into town. The path traced by the moon’s shadow will move toward the South-East into Hopkinsville, roughly following KY-91. While driving KY-91 into town earlier today, my wife and I saw lots of farms preparing for the influx of people—some setting up to welcome visitors (“Eclipse parking $50” near the point of greatest eclipse), some seeking to keep visitors from tromping all over their crops (“POSTED: No Trespassing. Private Property.”) Another clear sign of a Big Event are all the streets that are closed off, and the many tents and vendors set up, right in central Hopkinsville. There are also a lot of actual signs pertaining to the … Continue reading →

Posted in Astronomy, Science | Tagged 2017Eclipse, Eclipse, Vatican | Leave a reply

Rare Perigee Lunar Eclipse September 27th

Sacred Space Astronomy avatarPosted on September 17, 2015 by Bob TrembleySeptember 18, 2015

There will be a total lunar eclipse the evening of September 27, 2015. 8:11 PM EDT: Earth’s penumbra begins to dim the Moon. 9:07 PM: Earth’s umbra noticeably dims and reddens the Moon 10:11 PM: Start of totality. 11:23 PM: End of totality. 1:22 AM: End of eclipse. The Moon will be at perigee during the eclipse – the point in the Moon’s orbit when it is closest to the Earth; the Moon will appear slightly larger and brighter at this time. The Moon’s perigee is about 50,000 km (31,000 miles) closer to the Earth than its apogee – the point in the Moon’s orbit when it is farthest from the Earth. Here’s hoping for clear skies! More: http://www.nasa.gov/feature/goddard/nasa-scientist-sheds-light-on-rare-sept-27-supermoon-eclipse P.S.: Notice how I didn’t mention “Supermoon” … Update: I created this rendering of the lunar eclipse using the software package Celestia:

Continue reading →
Posted in Astronomy, Science | Tagged Eclipse, Moon | Leave a reply
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Recent Posts

“Cosmos: Possible Worlds”, 10-13: Goodbye to a Losing Season

Sacred Space Astronomy avatarPosted on January 16, 2021 by Christopher M. GraneyJanuary 15, 2021

When your favorite team is not so good, sometimes the end of the season can come as a relief.  That’s doubly true when the last couple games of the season go especially badly.  This Cosmos fan finds himself happy to see this season come to an end.  There is always … Continue reading…

Posted in Astronomy, Popular Culture, Science | Tagged cosmos-possible-worlds | 1 Reply

JWST update – Hexagons in Space

Sacred Space Astronomy avatarPosted on January 15, 2021 by Deirdre KelleghanJanuary 15, 2021

My small group at Space Camp in Louisburgh. Proud of their new James Webb replica mirror and knowledge !! What an exciting week regarding the JWST announcment that the launch date is set for October 31st 2021 !!! Am shareing my previous blog about a workshop I did back in … Continue reading…

Posted in Astronomy, Education, Science, Space Exploration | Tagged ESA, Hexagons, James Webb Space Telescope, JWST, Launch, NASA, Space | 2 Replies

ⓜ Curiosity and the Exploration of Mars, I

Sacred Space Astronomy avatarPosted on January 14, 2021 by Br. Guy ConsolmagnoJanuary 14, 2021
This entry is part 1 of 54 in the series And Then I Wrote

And then I wrote… On January 12, 2021, the NASA Mars rover Curiosity marked 3000 Martian days on the surface of Mars. In 2012 I was invited to write an article about the exploration of Mars; “Curiosity e l’esplorazione di Marte” appeared in the Jesuit journal La Civiltà Cattolica on November 17,2012. … Continue reading…

Posted in And Then I Wrote, Planet, Space Exploration | Tagged Curiosity, Mars, NASA Solar System Exploration | Leave a reply

A Platonic journey

Sacred Space Astronomy avatarPosted on January 13, 2021 by Richard HillJanuary 13, 2021
This entry is part 38 of 38 in the series Lunarcy

I always look forward to the appearance of the 104km diameter crater Plato and surrounding environs as they emerge from the lunar night. There is so much to see there I find imaging irresistible. Usually I don’t like to do this wide a field but there’s much to enjoy. Plato’s … Continue reading…

Posted in Astronomy, Moon, Uncategorized | Tagged Craters, mare, Moon, mountains | Leave a reply

In the Sky This Week – January 12, 2021

Sacred Space Astronomy avatarPosted on January 12, 2021 by Bob TrembleyJanuary 14, 2021
This entry is part 179 of 179 in the series In the Sky This Week

Venus appears very low above the southeastern horizon before sunrise. Jupiter, Saturn and Mercury continue to form a triple conjunction in the southwestern sky at dusk – Saturn may be a bit difficult to see; Mercury appears slightly higher above the horizon each evening. Mercury appears in the southwestern sky … Continue reading…

Posted in Astronomy, Outreach | Tagged #CountdowntoMars, Jupiter, Mars, Mercury, Moon, NGC 6946, Orion, Saturn, Sun, Ursa Major, Venus | 2 Replies

Specola Guestbook | June 16, 1924: Knut Lundmark and Sten Asklöf

Sacred Space Astronomy avatarPosted on January 10, 2021 by Robert MackeJanuary 4, 2021
This entry is part 76 of 76 in the series Specola Guestbook

Since its founding in 1891, many people have passed through the doors of the Vatican Observatory.  A quick perusal of our guestbook reveals several Names, including Popes, Nobel laureates, astronauts, actors, and saints. Today’s guestbook entry is from June 16, 1924, when Knut Lundmark and Sten Asklöf made a visit. Next … Continue reading…

Posted in Astronomy, History, Uncategorized | Tagged Andromeda, Asklof, galaxies, Lundmark, Specola Guestbook, Uppsala, Vatican Observatory | Leave a reply
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Recent Comments

  • Stan Sienkiewicz January 16, 2021 at 9:17 am on “Cosmos: Possible Worlds”, 10-13: Goodbye to a Losing SeasonIt is a shame that the producers of the show are not amazed by the real world and need to enhance reality with special effects. I feel you are discussing a topic that is coming up quite often about our culture: the lack of astonishment. I recently had taken a...
  • Fernando Comeron January 15, 2021 at 5:22 am on JWST update – Hexagons in SpaceIncidentally, you can see that we at the European Southern Observatory (ESO, of which Ireland is a member too) did something that bears some resemblance several years ago. We invited visitors to our headquarters near Munich on the open doors day in 2011 to put hexagons together to reproduce a...
  • Fernando Comeron January 15, 2021 at 5:07 am on JWST update – Hexagons in SpaceNice article, Deirdre -and actually hexagons in space are very common, although very tiny. Carbon hexagonal cycles are at the basis of polycyclic aromatic hydrocarbons, a class of molecules that compose the cold interstellar medium. So hexagons are pretty much everywhere in the Universe!
  • Bob Trembley January 14, 2021 at 2:01 am on In the Sky This Week – January 12, 2021Thanks for keeping me honest! :) I corrected it to say "Mercury appears slightly higher above the horizon each evening." When you advance days in Stellarium at dusk, you see Jupiter and Saturn get lower each day, and Mercury getting higher. Venus gets a bit lower each morning in the...
  • Joseph O'Donnell January 12, 2021 at 10:03 am on In the Sky This Week – January 12, 2021"Mercury appears slightly higher above the horizon each morning" I believe you mean Venus or am I missing something?
  • Christopher M. Graney January 4, 2021 at 10:50 am on Carols versus Matthew on the Star of WonderVery interesting -- I had never read the "Gospel of James", or "Protoevangelium of James", until now. Below is its whole section about the star, for those not familiar with it. Remarkably, the same problem is found in it. It follows Matthew in talking about the magi. No one knows...
  • Christopher M. Graney January 4, 2021 at 10:43 am on Carols versus Matthew on the Star of WonderI should have been more clear. When I said "This sounds just like the Great Conjunction of 2020", I meant it sounds like that *kind* of thing -- something no one who was not an astronomer would have noticed it just by chance.
  • Alfred Kracher January 2, 2021 at 10:47 am on Carols versus Matthew on the Star of WonderEmbellishments of Matthew’s simple “star” into a spectacular miracle are all but irrresistible. Already in the apocryphal 2nd century Gospel of James it shines with an “incredible brilliance amidst the constellations and making them seem dim.” And over the centuries artists of all kinds have further expanded on these exaggerations,...
  • Fr. Timothy Sauppé January 2, 2021 at 5:30 am on Carols versus Matthew on the Star of WonderI thought the biggest objection to the Jupiter/Saturn conjunction being the “Star of Bethlehem” was the 800 year cycle of its occurrence viz. the timing is off. Also, I am reminded of a comment of an amateur astronomer when he went to Chile, up in the Andes. He said there...
  • Stan Sienkiewicz December 26, 2020 at 1:07 pm on The Sun Illuminates Fort AncientYes, while not quite following the astronomy it still is fascinating to see what these early N American people did to their environment. As to why they did it and your article disagreeing with the solstice explanation reminded me of the book, Motel of the Mysteries. It is a funny...
  • Joel Hopko December 24, 2020 at 1:09 pm on Bah! Humbug. Science.And a very Merry Christmas to you Professor. May your spirit and inquiring mind continue to brighten our New Year! Joel Hopko
  • Fr. Timothy Sauppé December 21, 2020 at 6:04 pm on Was Jesus Born on December 25? The Fight Between Inculturation and Radical Certitude.Just saw this Socrates In The City from 2005 with Eric Metaxas interviewing Colin Nicholl. His book and thesis is that the Star of Bethlehem was one big comet. https://www.youtube.com/watch?v=6mT-8O8S_Fw&t=1s
  • Bob Prokop December 21, 2020 at 12:08 pm on Was Jesus Born on December 25? The Fight Between Inculturation and Radical Certitude.It's interesting that Tolkien chose March 25th as the date the One Ring was cast into the fires of Mount Doom (see the appendixes to The Return of the King for the date). It can't be a coincidence that the destruction of evil in Middle Earth coincides with the Annunciation...
  • Fr. Timothy Sauppé December 21, 2020 at 10:35 am on Was Jesus Born on December 25? The Fight Between Inculturation and Radical Certitude.Here is an interesting take by Liberato De Caro, Ph.D., of the Institute of Crystallography of the National Research Council in Bari, Italy, who led the research, proposes that the date of Jesus’ birth. He posits 1 BC for Jesus’ Birth. For your consideration. https://www.ncregister.com/blog/liberato-de-caro-nativity?utm_campaign=NCR%202019&utm_medium=email&_hsmi=102396683&_hsenc=p2ANqtz-9xKkcgGuiy7rFyWiX8fgbgA63Wabi_9C-VcU6QmESl4QYoKUDYHXm6DrY_jGwbVptu0roDhgBz363uEIX8dd6P7oOaBQ&utm_content=102396683&utm_source=hs_email
  • Bob Prokop December 18, 2020 at 7:52 am on Pursuing the ConjunctionLooks like we're going to be clouded out here in Maryland. But I did get a good look at the two planets last night (Thursday). They were already practically on top of each other! So it has not been a total loss. By the way, your December 14th drawing is...
  • Fr. James Kurzynski December 14, 2020 at 6:42 am on Follow the Money, the Science, or the Theology? A Second Reflection on the Forthcoming Artemis Moon Mission.Thanks Ed! I so appreciate your thoughts! As a fellow "Star Trek" fan, I can appreciate you insight! :)
  • Fr. James Kurzynski December 14, 2020 at 6:38 am on Follow the Money, the Science, or the Theology? A Second Reflection on the Forthcoming Artemis Moon Mission.Absolutely! Send me a message through the "Contact US" tab!
  • Br. Guy Consolmagno December 12, 2020 at 10:09 am on ⓜ Cosmology and ExpertiseOh, yes!
  • Richard Gabrielson December 10, 2020 at 9:19 pm on ⓜ Cosmology and ExpertiseBr. Guy -- be SO GLAD those were private messages instead of questions from the audience at a big conference!
  • Ed Yepez December 10, 2020 at 4:31 pm on Follow the Money, the Science, or the Theology? A Second Reflection on the Forthcoming Artemis Moon Mission.I think I was too young to appreciate "Earth Rise", when I first saw it. Probably only after a few years of education, did I start to appreciate what the effort was to take that picture, and then the fragile beauty of the Earth (in contrast with the "Magnificent Desolation")...

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