Chiffre

Chiffre

Author and researcher. Watching high above the sky, and deep below the ground.


Chiffre's articles

sakumain

Largest explosion for over a year at Sakurajima volcano, Japan

On July 19, 2013 at 03:08 UTC Sakurajima volcano in Japan produced one of the strongest explosions in over a year, emitting a huge ash cloud that reached around 6 km (20 000 ft). Japan Meteorological Agency didn`t change the Volcanic Alert Level for

July 19, 2013

borsun

Comet C/2013 N4 Borisov - new comet discovered by amateur astronomer

Ukrainian amateur astronomer Gennady Borisov discovered a new comet near the bright star Capella in the constellation Auriga. The comet was discovered on July 8, 2013 during a "Southern Night" star party in Crimea, Ukraine. Confirmation of

July 19, 2013

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Landsat captures images of activity at Nyamuragira volcano, Democratic Republic of the Congo

During its flyby over Africa, on June 11, 2013 NASA`s Landsat satellite captured some amazing images of Nyamuragira volcano, Democratic Republic of the Congo. Nyamuragira is one of Africa`s most active volcanoes. Landsat observed the plume emitted from a pit inside

July 18, 2013

weekly_volcanic

Active volcanoes in the world: July 10 - July 16, 2013

This week, 6 volcanoes had new activity,  ongoing activity was reported for 12 volcanoes. This report covers active volcanoes in the world recorded from July 10 – July 16, 2013 based on Smithsonian/USGS criteria. New activity/unrest: |

July 18, 2013

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High seismic activity and ash emissions at Reventador volcano, Ecuador

On July 16, 2013 IGEPN reported that in recent days Reventador volcano showed a significant increase in seismic activity accompanied by emission of a lava that descended down the southwestern flank of the cone on July 13. Gas and ash emission was

July 17, 2013

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Hubble releases new stunning image of comet ISON

Enhanced image of comet C/2012 S1 ISON obtained by Hubble Space Telescope on April 30, 2013 have been released yesterday, showing the comet zooming through deep space in all its glory. Hubble Space Telescope views Comet ISON, April 30, 2013 (Credit:

July 17, 2013

2Prikaz_zaslona

Delta Aquarid meteor shower peaks late July 2013

The Delta Aquarid meteor shower begins annually roughly from July 12 and is active up to August 23. The shower can be seen all over the planet, however it is best observed from the Southern Hemisphere and southern latitudes of the Northern Hemisphere. The

July 17, 2013

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Strong eruptions with vulcanian explosions continue at Sakurajima volcano, Japan

Strong volcanic activity that started at Sakurajima volcano, Japan on July 7, 2013 still continues. Throughout the night of July 15, 2013 explosions and ash emissions have been occurring with no pause. Thinner an thicker ash plumes were constantly emitted by the

July 16, 2013

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Major eruption at Tungurahua volcano on July 14, 2013 caused heavy ash fall and evacuations

Many regions of Ecuador were affected by heavy ash fall caused by a major eruption at Tungurahua volcano, on July 14, 2013. According to Lourdes Mayorga from the National Risk Management Secretariat of Ecuador around 200 people were evacuated from villages close to

July 15, 2013

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New supermoon, third of this year, falls on July 22, 2013

It has not been long since the spectacular supermoon on June 23, 2013. At that time the moon was at it`s closest to Earth for the year, appeared as the largest full moon for 2013, and it was also about 30 percent brighter than an average full moon. But for everyone

July 15, 2013

123tungu

Strong eruption with violent explosions and huge ash emissions at Tungurahua volcano, Ecuador

On July 14, 2013 a large explosion accompanied by major pyroclastic flows generated a plume column reaching 8.3 km above the crater of Tungurahua, one of Ecuador's most active volcanoes. According to IGEPN, since June 29, 2013, they recorded a gradual,

July 14, 2013

8Fuego

New lava flow started at Fuego volcano, Guatemala

According to the latest report by INSIVUMEH on July 12, 2013 a faint white plume rising 150 to 200 meters above the crater, dispersing westward and northwestward, has been observed at Fuego volcano, Guatemala. Eight explosions have been detected, ejecting grey

July 14, 2013

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New lava dome, explosions and ash emissions at Popocatepetl volcano, Mexico

According to the latest report by CENAPRED on July 12, 2013 during the last 24 hours the monitoring system at Popocatepetl volcano registered 67 exhalations, some of which were followed by ash emissions, nevertheless the cloud cover did not permit corroboration of

July 12, 2013

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The great North American locust plague

Locusts are grasshoppers with some rather unique abilities. Overcrowding triggers their instinct to literally transform themselves.They change their color from green to brown, get more muscular, eat more, mate more and congregate in crowds. After their

July 11, 2013

weekly_volcanic

Active volcanoes in the world: July 3 - July 9, 2013

This week, 4 volcanoes had new activity,  ongoing activity was reported for 9 volcanoes. This report covers active volcanoes in the world recorded from July 3 – July 9, 2013 based on Smithsonian/USGS criteria. New activity/unrest: |

July 10, 2013

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Volcanic alert level raised as eruption intensifies at Popocatepetl volcano, Mexico

According to the latest report by CENAPRED on July 6, 2013 in the last 24 hours monitoring system at Popocatepetl volcano, Mexico has registered a series of low and high frequency tremors lasting 20 hours, accompanied by a persistent emission of gas and ash

July 06, 2013

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Earth at aphelion on July 5, 2013

Since Earth`s orbit is an ellipse, on July 5, 2013 our planet will be on the farthest end of the curve, at the most distant point from the Sun. That is called aphelion. In Earth`s orbit the average distance from the Sun is roughly 150 million kilometers, but at

July 05, 2013

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Hubble captures Comet ISON in a time-lapse movie

Comet C/2012 S1 ISON is currently flying towards the Sun at a mind boggling speed of about 77 000 km/h (48 000 mph). Recently NASA released a time-lapse movie of the eagerly awaited comet. The movie is composed of images obtained by Hubble Space

July 05, 2013

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Strong activity with tremor, incandescence and multiple plume emissions at Popocatepetl volcano, Mexico

According to CENAPRED at 22:42 UTC on July 3, 2013 at Popocatepetl volcano, Mexico began an episode of high-frequency tremor that continues until now, and only briefly stopped roughly between 04:00 and 05:00 UTC on July 4. A plume of gas and ash is rising 3-4

July 04, 2013

weekly_volcanic

Active volcanoes in the world: June 26 - July 2, 2013

This week, 4 volcanoes had new activity, whereas ongoing activity was reported for 7 volcanoes. This report covers active volcanoes in the world recorded from June 26 – July 2, 2013 based on Smithsonian/USGS criteria. New activity/unrest: |

July 03, 2013

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Summer Triangle dominates the night sky in Northern Hemisphere

During the summer sky watchers in the Northern Hemisphere can observe the famous "Summer Triangle" which form stars Vega, Altair an Deneb. Actually, the triangle can be seen from the mid-northern latitudes throughout the year, but it is especially

July 03, 2013

mph

Where is the true North Pole?

The North Pole is at the top of the Earth and the South Pole is at the bottom, right? Except that the Earth is kind of a ball, and they don't really have tops and bottoms. Of course Earth isn`t exactly spherical and isn`t spinning through space - spinning about

July 03, 2013

ison_ordinary

How will Comet ISON perform?

Experts all over the planet are eagerly tracking Comet ISON (C/2012 S1), the so called "Comet of the century". However since June 22, 2013 the comet is so near to the Sun, less than 18 degrees, making it not visible against the dark sky. The comet will

June 30, 2013

7Fuego

Strong explosions and ash emissions at Fuego volcano, Guatemala

According to the latest INSIVUMEH special volcanic bulletin on June 28, 2013 the eruptive pattern changes at Fuego volcano, Guatemala are generating vulcanian explosions, with higher concentrations of grey ash, producing a plume reaching 800 meters in height and moving

June 30, 2013

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Intense episode with large ash emissions at Shiveluch volcano, Kamchatka

Explosive-extrusive-effusive eruption of Shiveluch volcano, Kamchatka continues. An episode of intense, but short, activity was recorded at Shiveluch volcano, Kamchatka, Russia on June 26/27, 2013. The event was most likely a partial collapse of the

June 29, 2013

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Cassini spacecraft to take a unique picture of Earth from Saturn

NASA`s Cassini probe will take a photo of our planet on July 19, 2013, where Earth will appear as a tiny blue dot between Saturn`s rings. Earth will be only about a pixel in size from Cassini's vantage point 1.44 billion kilometers (898 million miles)

June 23, 2013

cfloods

Devastating floods struck Alberta, Canada forcing more than 100,000 people to evacuate

Since Wednesday June 19, 2013 almost 200 millimeters of rain have fallen in some areas in Alberta, Canada devastating communities, creating mudslides and washing out many roads. On Thursday June 20, 2013 river banks have burst throughout southern Alberta, because

June 22, 2013

weekly_volcanic

Active volcanoes in the world: June 12 - June 18, 2013

This week, 4 volcanoes had new activity, whereas ongoing activity was reported for 12 volcanoes. This report covers active volcanoes in the world recorded from June 12 – June 18, 2013 based on Smithsonian/USGS criteria. New Activity/Unrest: |

June 20, 2013

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SOHO observes an amazing solar eclipse of Jupiter on June 19, 2013

On June 19, 2013 NASA`s SOHO coronagraphs observed an eclipse of Jupiter by the Sun, as the planet got directly behind the solar disk; being totally obscured. This event is a rare Jupiter solar conjunction, that happens only twice within Jupiter`s 12-year orbit around

June 19, 2013

supermoon

The most spectacular supermoon of the year - June 23, 2013

On June 23, 2013 we will experience a truly super supermoon. The full moon that falls on June 23, 2013 at 11:32 UTC, will not only be the closest to Earth for the year, but it will also appear the biggest full moon for 2013. It will also be about 30 percent brighter

June 18, 2013

6Santiaguito

New activity observed at Guatemalan volcanoes - Explosions and lava flow at Fuego and degassing at Santiaguito

INSIVUMEH reported thirteen explosions being detected on June 17, 2013, at Fuego volcano, Guatemala. The explosions ejected incandescent material up to 125 meters in the air, and weak grey plumes 300 to 500 meters in height were seen above the crater. These

June 17, 2013

2Prikaz_zaslona

A look inside a "Black Hole" - Researchers solved the mystery of X-ray light emitted from black holes

Assumptions about how stellar-mass black holes create their highest-energy light have been confirmed by the recent study by NASA astronomers, John Hopkins University and the Rochester Institute of Technology. Lead scientist Jeremy Schnittman, an astrophysicist at

June 16, 2013

4Prikaz_zaslona

Sakura-jima volcano, Japan produced one of the strongest and most violent explosions so far

Three powerful explosions at 22:05 and 23:58 UTC on June 12, and another at 4:26 UTC on June 13, 2013 announced the awakening of Sakura-jima volcano, Japan from it`s ten day slumber. The latest explosion on June 13, 2013, was especially violent, possibly one of the

June 15, 2013

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A rare total eclipse of Jupiter by the Sun on June 19, 2013

Planet Jupiter began the month of June 2013 being positioned very low in the west sky just after sunset. However soon it will disappear into the solar glare, as Jupiter is approaching the Sun for a solar conjunction on June 19, 2013. At that time Jupiter will

June 14, 2013

Veniaminof

Effusive activity and explosions raised the alert at Veniaminof volcano, Alaska

Alaska Volcano Observatory (AVO) reported on June 13, 2013 that an eruption at the intracaldera cone is likely underway at Veniaminof volcano, Alaska as determined from satellite observation of elevated surface temperatures at 13:25 UTC. This prompted AVO to raise the

June 14, 2013

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The June solstice of 2013 falls on June 21, 2013

The June solstice (also known as northern or summer solstice) of 2013 falls on June 21, 2013, at 5:04 UTC. Everywhere on our planet, no matter where you live, the solstice happens at the same moment for us all. You can easily find out the precise time of the

June 13, 2013

weekly_volcanic

Active volcanoes in the world : June 5 – June 11, 2013

This week, 9 volcanoes had new activity, whereas ongoing activity was also reported for 9 volcanoes. This report covers active volcanoes in the world recorded from June 5 – June 11, 2013 based on Smithsonian/USGS criteria. New activity/unrest: |

June 13, 2013

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The 2013 Gamma Delphinid meteor shower overview

The expected outburst of the elusive Gamma Delphinid meteor shower predicted for June 11, 2013 sadly didn`t occur. This doesn`t mean that there were no meteors, but the meteor rate was lower than normal, as our planet passed through a part of space where the cometary

June 12, 2013

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Pluming indicates new activity at Satsuma-Iojima volcano, Japan

A low level eruption is taking place at Satsuma-Iojima volcano, constructed on the NW margin of Kikai caldera, off the southern coast of Kyushu in Japan. Tokyo VAAC reported a thin plume reaching 8 km (27,000 ft) and extending west, on June 4, 2013. JMA (The

June 12, 2013

C2013_L2_

New comet discovered - C/2013 L2 (Catalina)

New discovery of an apparently asteroidal object with cometary features was announced on June 9, 2013 (CBET 3548). New comet (discovery magnitude ~19.6) was found by R. A. Kowalski on CCD images obtained with the Catalina Sky Survey 0.68-m Schmidt telescope

June 11, 2013