Articles tagged with Eclipses
Astronomers have discovered a binary star system with the longest duration stellar eclipse, lasting three and a half years, and the longest period between eclipses in a binary system. The system, TYC 2505-672-1, is approximately 20 astronomical units from Earth and consists of two red giant stars.
The study introduces a super element modeling method for petroleum reservoir simulation, which speeds up calculations by hundreds of times. This allows for rapid development of oil fields with improved accuracy.
A recent study suggests that solar eclipses will have a minimal effect on Germany's photovoltaic systems and electrical supply. During the shadowing period, there may be temporary drops in power generation but the overall impact is expected to be limited.
A UH-led team successfully observed the total solar eclipse over the Arctic, capturing breathtaking images of the sun's corona. The team braved extreme weather conditions and polar bear danger to set up equipment at two locations in the Svalbard archipelago.
The largest sunspot of the solar cycle, AR 12192, was tracked by NASA's Solar Dynamics Observatory. The active region produced six X-class flares and four strong M-class flares, with the largest flare reaching X3.1 intensity. Despite the intense activity, no coronal mass ejections were observed.
A total lunar eclipse will be visible in North America on April 15, offering a unique viewing opportunity. The spacecraft's batteries need sunlight to charge, and it will have to pass through the complete shadow twice before the eclipse ends.
Students used a privately owned telescope to observe and photograph asteroids 3905 Doppler, orbiting two smaller rocky bodies that block each other's light. The discovery provides an unprecedented opportunity to learn about the physical properties and orbital evolution of these objects.
NASA's Solar Dynamics Observatory (SDO) observed two transits: an Earth transit from March 2-3 and a lunar transit from March 11. The eclipses showed distinct features due to Earth's atmosphere and the moon's curved shape.
Researchers developed a method for Curiosity to use solar eclipses to determine its precise location on Mars, reducing positional error from kilometers to meters. The technique utilizes data from the rover's antennas and space probes, offering an independent alternative when direct communication with Earth is unavailable.
The Hinode spacecraft observed two solar eclipses in 2012 and 2013, capturing distinct views of total and partial eclipses. The mission provided valuable insights into the Sun's surface magnetism, shedding light on sunspot activity.
A narrow corridor in the southern hemisphere experienced a total solar eclipse on Nov. 13, 2012, with observers in northern Australia witnessing dim structures around the sun's edge. The corona, made of electrified gas and plasma, was observed to be constantly moving in response to magnetic fields.
The Hinode mission will coordinate with ground-based observations during the November 13, 2012, total solar eclipse to produce a combined dataset. This study will focus on the sun's corona, including its temperature distribution and magnetic fields.
Scientists optimize SDO's HMI instrument to improve resolution quickly after eclipses. By adjusting heater timing and temperature, they've reduced the recovery time from 60 minutes to around 45-50 minutes.
Two new transiting circumbinary planet systems have been discovered using data from NASA's Kepler Mission. The planets, Kepler-34 b and Kepler-35 b, orbit two stars in the constellation Cygnus, with climates that could experience dramatic temperature changes due to the variable distance between the planet and its stars.
A team of astrophysicists discovered a ring system in the constellation Centaurus that is similar to Saturn's. The system consists of four thin rings of dust debris, with each ring having a mass similar to Earth's moon, and orbits tens of millions of kilometers from the central star.
NASA's Lunar Reconnaissance Orbiter recorded the total lunar eclipse on Dec. 10, 2011, providing insights into the moon's surface cooling during the event. The West Coast saw totality, while East Coasts experienced a slight dimming of the moon.
Astronomers have discovered a planet that orbits around a pair of stars, providing direct evidence for the existence of circumbinary planets. The discovery was made using data from the NASA Kepler space telescope and confirms long-speculated theories about these systems.
The Sun weighs 333,000 Earths and sustains a core temperature of 27 million degrees Fahrenheit. Berman explores the Sun's impact on climate change, human behavior, and our daily lives.
NASA's Lunar Reconnaissance Orbiter (LRO) will observe the total lunar eclipse on June 15, capturing detailed images and data on how different areas of the moon's day side cool off during the event. The Diviner instrument will record temperature changes in various regions, revealing information about the uppermost few millimeters of th...
A total lunar eclipse will be visible to sky watchers across North America on December 21, coinciding with the winter solstice. The eclipse will last approximately three hours and twenty-eight minutes, with totality lasting seventy-two minutes.
Astronomers detected X-ray eclipses from a fast pulsar, shedding light on compressed matter and testing relativity. The system's unique properties revealed the size and mass of the companion star with unprecedented accuracy.
Researchers investigating lunar reflector performance report decreased signal strength during full moon, suggesting dust may be a culprit. The issue arises from uneven heating of glass cubes left behind by Apollo astronauts, which distorts the shape of reflected laser pulses.
Researchers observed the sun's outer atmosphere during eclipses, capturing the first images of the solar corona in a near-infrared emission line of highly ionized iron. The observations revealed localized regions of enhanced density and extended beyond three solar radii above the sun's surface.
The Geostationary Operational Environmental Satellite GOES-14 has completed its post-launch test phase and is now in on-orbit storage to await duty. The satellite will remain in this mode until needed to replace a failed spacecraft, reducing launch delay from one year to less than a week.
A team of international scientists captured a snapshot of Earth's chemical signature using a lunar eclipse, providing crucial information for identifying potentially habitable planets. The observation, published in Nature magazine, offers a unique opportunity to study planetary atmospheres and compositions.
Astronomers at the Science and Technology Facilities Council's William Herschel Telescope have confirmed an effective way to search the atmospheres of planets for signs of life. This method uses transmission spectra, which can reveal vital information about a planet's atmosphere, providing clues about potential biological processes.
Jay Pasachoff's review article highlights the importance of ground-based solar eclipses for observing unique phenomena. The upcoming total solar eclipse on July 22 will allow scientists to advance our understanding of the solar atmosphere and make important observations.
A new method uses celestial geometry and data on the sun, Earth, and moon's optical properties to create picture-perfect images of lunar eclipses. The tool can be used to study historical atmospheric phenomena and add a special effect to artistic representations.
Researchers found that passage graves in Denmark are oriented towards the full moon and lunar eclipses, hinting at an ancient astronomical calendar. The study suggests that the Stone Age people may have used these alignments for ritual practices and predicting lunar eclipses.
Researchers have identified four celestial events in Homer's Odyssey that match astronomical patterns, suggesting a total solar eclipse occurred on April 16, 1178 BCE. This could help date the fall of Troy and shed new light on Odysseus' journey.
Scientists confirm size of hot gas disk around supermassive black hole, measuring its size as seven times the distance between Earth and Sun. The disk is found to be 10 times smaller than predicted event horizon, consistent with theoretical predictions.
A team of scientists and students captured data during a rare three-minute solar eclipse to study why the Sun's corona is millions of degrees hotter than its surface. The expedition used new electronic cameras and specialized filters to record images of the corona.
Scientists will study the direction and velocity of flows in the corona, a phenomenon visible only during total eclipses. The event also marks NASA's annual Sun-Earth Day program, highlighting the interactions between the sun and our planet.
A team of researchers from Williams College will travel to Greece to study the solar eclipse, capturing observations of the Sun's corona and testing new electronic cameras. The expedition aims to provide valuable insights into the mechanism that heats the solar corona to millions of degrees.
Two studies found that bidis and reduced-exposure products marketed as less toxic do not effectively reduce smokers' exposure to lethal constituents of cigarette smoke. Instead, they may promote heavier smoking and introduce new risks.
A team of Williams College astronomers will conduct scientific experiments during the August 11 solar eclipse to study the coronal heating of the sun. The research, supported by grants from NASA and National Geographic, aims to observe rapid oscillations in the corona using advanced telescopes and optics.
Scientists will observe how airglow changes during the eclipse to estimate oxygen densities at different altitudes in the upper atmosphere. The Polar spacecraft, equipped with a UVImager and other cameras, will take images of the Earth's shadow as the Moon's shadow moves across the globe.
Researchers aim to understand how the sun's corona reaches temperatures of two million degrees Celsius despite the surface being only 6,000 degrees. The team will use various techniques, including comparing electronic images and searching for rapid oscillations, to gather data during the February 26 eclipse.