Scientists analyze NASA's Fermi data to understand cosmic rays and the lunar environment. The research shows the Moon's gamma-ray glow varies by 20% over the Sun's 11-year activity cycle, with implications for future human missions.
Tropical Storm Krosa is expected to make landfall in western Shikoku Island, Japan, with powerful thunderstorms and heavy rain capabilities. The storm's cloud top temperatures indicate strong storms with potential to generate heavy rainfall.
NASA's Aqua satellite captured a visible image of Tropical Storm Krosa, showing a large center of circulation surrounded by fragmented bands of thunderstorms. The storm is expected to intensify to 50 knots as it approaches landfall in southwestern Japan.
NASA's Terra satellite detected scattered cold clouds in Hurricane Henriette, indicating a weakening system. The storm's cloud top temperatures reached as low as -50 degrees Fahrenheit, further supporting its decline.
NASA's GPM satellite detected heavy rainfall around Tropical Storm Henriette's center, with rates reaching 25 mm/hour. The storm is moving west-northwest towards Mexico, expected to weaken and degenerate into a remnant low pressure area.
NASA-NOAA's Suomi NPP satellite captured a visible image of Tropical Storm Krosa, revealing a massive storm with fragmented thunderstorms. The storm is expected to make landfall over western Shikoku, Japan in two and a half days with maximum sustained winds near 55 knots.
Typhoon Lekima made landfall in China on Aug. 10, causing billions of dollars in damage and fatal outcomes. NASA's Terra satellite captured visible images of the storm's remnant clouds over the Northwestern Pacific Ocean, prompting severe weather warnings from China's National Meteorological Center.
Typhoon Krosa has a large eye with coldest cloud top temperatures as cold as -63 degrees Fahrenheit around the center and in large bands south and east of the storm. NASA's Aqua satellite analysis revealed the eye's size, aiding forecasters in predicting its path and potential weakening over the next five days.
The NASA Aqua satellite provided detailed images of Typhoon Lekima's cloud top temperatures, revealing cold air extending into the troposphere, generating heavy rainfall. The storm's powerful thunderstorms were also visible in infrared and visible light, surrounding a small, rounded eye.
The new image shows Jupiter's trademark Great Red Spot and a more intense color palette in the clouds than seen in previous years. The colorful bands result from differences in atmospheric pressures and ice cloud thickness.
Supertyphoon Lekima rapidly intensifies as it tracks north-northwest over the Pacific, with winds exceeding 130 knots and a strong eye. The storm is expected to reach Eastern China near Taizhou within 48 hours, potentially weakening by 72 hours after crossing Shanghai.
Typhoon Krosa is quasi-stationary and intensifying due to favorable conditions like low wind shear and warm sea surface temperatures. The storm will continue to track northeastward before weakening over the next five days, maintaining typhoon strength.
The Magnetospheric Multiscale mission has made the first high-resolution measurements of an interplanetary shock. The shock was triggered by a fast stream of solar wind overtaking a slower stream, creating a wave that spread across the solar system. By analyzing the data from this event, scientists gained evidence to support a theory o...
Tropical Storm Krosa developed a 'comma shape' signature from thunderstorms feeding into the low-level center. The storm's maximum sustained winds reached near 60 knots, strengthening as it moved north-northwest towards Japan.
NASA's Aqua satellite captured a clear image of Typhoon Lekima, showing a tight band of powerful thunderstorms surrounding its central eye. The storm is expected to strengthen into a Category 4 hurricane, making landfall near Shanghai around August 12.
Tropical Storm Francisco was transitioning into an extra-tropical cyclone as it passed over the Sea of Japan and approached the Korean Peninsula. The storm's strongest winds were initially near the earth's surface, but later shifted to the tropopause as it transformed.
Flossie has weakened into a remnant low-pressure area, with scattered areas of cold clouds in thunderstorms and cloud top temperatures reaching -50 degrees Fahrenheit. The system is moving northwestward and expected to dissipate by Wednesday.
NASA's Aqua satellite images show a ring of strong thunderstorms around Lekima's center, with maximum sustained winds near 50 knots. The storm is expected to strengthen into a typhoon and pass over Taiwan before dissipating off China's east coast.
NASA's GPM satellite detected heavy rainfall east of Tropical Storm Krosa's center, falling at a rate of 50 mm/hour over open ocean. The storm was moving northwest and had maximum sustained winds near 40 knots (46 mph) before strengthening into a typhoon.
NASA's Aqua satellite detected Tropical Storm Francisco in the Korea Strait, with cloud top temperatures indicating strong storms capable of heavy rain. The storm is located about 33 nautical miles north-northeast of Busan, South Korea, and is expected to move north and then northeast through the Sea of Japan.
NASA successfully deployed its secondary mirror in a crucial testing step, paving the way for the James Webb Space Telescope's groundbreaking science. The successful test demonstrates the telescope's electronic connection and prepares it for integration into its final form.
Tropical Storm Francisco is expected to bring heavy rainfall to southern Japan as it approaches landfall. The strongest storms have cloud top temperatures as cold as minus 70 degrees Fahrenheit, indicating strong potential for heavy rainfall.
NASA's Terra satellite detected a small area of strong storms northeast of Tropical Depression Flossie's center. The storm had cloud top temperatures as cold as minus 50 degrees Fahrenheit, indicating its strength.
Tropical Storm Lekima was formed on August 4 as Tropical Depression 10W, strengthening into a tropical storm on August 5. NASA's Aqua satellite analyzed the storm, finding cloud top temperatures of strongest thunderstorms as cold as or colder than minus 63 degrees Fahrenheit.
Tropical Storm Gil formed on August 3 and strengthened to 40mph before weakening and degenerating into a remnant low pressure area. NASA's Terra satellite detected small areas of strong storms with cloud top temperatures as cold as -50F in the Eastern Pacific.
Tropical Storm Wipha has filled the Gulf of Tonkin with clouds, according to NASA satellite imagery. The storm is expected to make landfall in northern Vietnam and then weaken as it moves west-southwest, dissipating over north Vietnam.
The SISTINE mission aims to identify signs of life on exoplanets by analyzing the radiation from their host stars. Astronomers have found that false-positive biomarkers can be created through non-biological processes, making it essential to study the star's spectrum to distinguish between true and false positives.
Tropical Storm Erick's center was located near latitude 16.8 degrees north latitude and 157.4 degrees west longitude using data from NASA satellites, including Aqua and Suomi NPP. The storm is forecast to weaken into a tropical depression by Sunday, with potential for heavy rainfall and dangerous surf conditions in the Hawaiian Islands.
Tropical Storm Francisco formed in the Northwestern Pacific Ocean and was observed by NASA's Terra satellite using infrared light. The storm showed coldest cloud top temperatures as low as -80 degrees Fahrenheit, indicating strong thunderstorms with potential for heavy rainfall.
Tropical Storm Flossie is expected to cross into the Central Pacific basin later today, carrying maximum sustained winds of near 70 mph and a minimum central pressure of 993 millibars. Gradual weakening is anticipated over the weekend, with further decline in forward speed expected through early next week.
Satellite imagery shows Tropical Storm Flossie maintaining its structure with little change from July 31 to August 1. The storm is expected to cross into the central Pacific basin late Friday or early Saturday and begin slowly weakening on Saturday.
Hurricane Erick is a small storm with strong thunderstorms holding on, but expected to significantly weaken as it passes Hawaii. The National Hurricane Center forecasts Erick's winds will be 200 miles from the islands.
The study reveals that hot Jupiter WASP-121b is losing its hydrogen and helium atmosphere due to strong gravity, allowing heavier elements like magnesium and iron to escape. The observations provide insights into the planet's extreme environment and its potential for hosting life.
Tropical Storm Wipha is centered off the southeastern coast of China with bands extending over Hainan Island and Guangdong Province. The storm is expected to make landfall in Vietnam's Gulf of Tonkin on August 3, dissipating shortly after.
Tropical Storm Wipha formed quickly in the South China Sea, with NASA's Aqua satellite detecting strong thunderstorms and cold cloud top temperatures. The storm is expected to move northwest towards southern China, making landfall near Hanoi, Vietnam.
NASA's Aqua and Terra satellites analyzed Flossie's cloud top temperatures and structure as the storm strengthened. The strongest storms had colder cloud temperatures, indicating potential for heavy rainfall.
Researchers confirm a 'hot Earth' exoplanet, GJ 357 b, and discover two additional worlds orbiting the same star, including one potentially habitable planet, GJ 357 d. The newly discovered planets are located in the habitable zone of their star, which receives about the same amount of stellar energy as Mars does from the Sun.
NASA used satellite data to analyze Hurricane Erick's rainfall rates and cloud temperatures, revealing coldest cloud top temperatures as cold as minus 63 degrees Fahrenheit. The heaviest rainfall was found near the northern eyewall of the storm's center, with rates exceeding 40 mm per hour.
A NASA team has built a miniaturized aerosol-detecting instrument called MASTAR to measure airborne particles comprehensively. The instrument will be flown on a high-altitude balloon and later on a constellation of small CubeSats, providing global measurements that can help mitigate climate change and improve human health.
NASA analyzed water vapor content and temperature information from Hurricane Erick using MODIS instrument on July 30. The analysis found highest concentrations of water vapor and coldest cloud top temperatures around the storm's eye, indicating potential for heavy rainfall.
NASA's Aqua satellite detected coldest cloud top temperatures as cold as minus 63 degrees Fahrenheit, indicating strong storms capable of heavy rain. The storm's center has migrated southward toward the strongest convection, positioning just north of the coldest cloud tops.
The Transiting Exoplanet Survey Satellite (TESS) has discovered three new planets orbiting a nearby star, including one slightly larger than Earth. The planets' sizes and masses are unique, with two potentially similar to Neptune in our solar system, offering insights into planetary formation and evolution.
The new optics made of silicon material meet stringent imaging requirements, offering a two orders-of-magnitude leap in sensitivity over previous telescopes. The technology will be tested on a sounding rocket mission in 2021 and could benefit future missions if Lynx is not chosen.
Tropical Storm Erick is strengthening in the Eastern Pacific Ocean, with powerful thunderstorms and cold cloud tops indicating potential for heavy rainfall. The National Hurricane Center forecasts Erick to become a hurricane by Tuesday, with a turn towards the west-northwest expected.
NASA's Aqua satellite measures cloud top temperatures of Tropical Storm Flossie, revealing strong storms with cold temperatures of minus 63 degrees Fahrenheit. The storm is forecast to strengthen into a hurricane on Tuesday, with maximum sustained winds increasing to near 50 mph.
NASA's Terra satellite reveals two areas of intense storms in Tropical Storm Nari, with cloud top temperatures as low as minus 50 degrees Fahrenheit. The storm is moving northward toward Japan, expected to make landfall and then dissipate over cooler waters.
NASA's Aqua satellite detected a small area of strong thunderstorms with cold cloud top temperatures, enough to maintain Tropical Depression Dalila's tropical cyclone classification. The depression is forecasted to weaken and become a post-tropical remnant low in the coming days.
The storm is being affected by moderate vertical wind shear from the southwest, which can displace clouds and showers around the center. The Joint Typhoon Warning Center forecasts 07W to move north before dissipating in Japan.
Tropical Depression 3 formed on July 22 and dissipated by July 24, with NASA's Terra satellite capturing an image of its remnant clouds. The depression was centered about 60 miles east-southeast of Daytona Beach, Florida, with maximum sustained winds near 35 mph.
Tropical Depression Dalila is weakening due to cooler sea surface temperatures and dry air. The system is expected to dissipate within a few days, with Dalila becoming a post-tropical remnant low tonight.