TW - page 4

TW


TW's articles

mapping space dust in 3d

3-D map of space dust

A new study led by Edward F. Schlafly is providing a detailed, 3-D look at dust on a scale spanning thousands of light-years in our Milky Way galaxy. This dust map is of critical importance for the Dark Energy Spectroscopic Instrument (DESI), a Berkeley Lab-led...

March 22, 2017

first steps toward high speed space internet

First steps toward high-speed space internet

NASA scientists are developing a trailblazing, long-term technology demonstration of what could become the high-speed internet of the sky. The Laser Communications Relay Demonstration (LCRD) will help NASA understand the best ways to operate laser communications...

March 22, 2017

france heatwave 2003 temperature anomaly

Lessons learned from the 2003 France heatwave

In the summer of 2003, France was coping with worst heatwave since 1950s, when measurements began. The relentless heat killed more than 15 000 people, mostly elderly residents of Paris. Since the 2003 disaster, France has fully integrated disaster risk reduction...

March 22, 2017

collision with another planetary body created earths iron

New theories about nature of Earth’s iron

In a study published March 20, 2017 in Nature Communications, an international team of scientists challenges the prevailing theory that the unique nature of Earth’s iron was the result of how its core was formed billions of years ago. The study opens the door...

March 20, 2017

discovery of runaway star yields clues to breakup of multiple star system

Discovery of runaway star yields clues to breakup of multiple-star system

As British royal families fought the War of the Roses in the 1400s for control of England's throne, a grouping of stars was waging its own contentious skirmish — a star war far away in the Orion Nebula. The stars were battling each other in a gravitational...

March 19, 2017

neutron star

Another "impossible" neutron star

What is a so-called neutron star? Scientists tell us that the material left over from a supernova explosion of a massive star collapses gravitationally, forming an incredibly small yet massively dense star mostly composed of tightly packed neutrons. A rotating...

March 18, 2017

4night sky guide 2017 march

Night sky guide for March 2017

The Sun will shine directly on the equator and there will be nearly equal amounts of day and night throughout the world - March equinox - on March 20. This is the first day of spring (vernal equinox) in the northern hemisphere and the first day of fall (autumnal...

March 01, 2017

deadly tornadoes baseball sized hail us midwest february 28 2017

Large and deadly tornadoes rip through US Midwest

At least three people have been killed on Tuesday, February 28, 2017, as severe weather outbreak, including heavy rain, strong winds, and at least 7 tornadoes, rip through the US Midwest. As of March 1 at 07:00 UTC, the NWS has issued Flash Flood, Flood, Severe...

March 01, 2017

recurrent ch hss sparks g1 geomagnetic storm

Negative polarity CH HSS sparks G1 geomagnetic storm

Earth is under the influence of a recurrent, polar-connected coronal hole which has sparked G1 (Minor) geomagnetic storming today. Unsettled to active conditions, with G1 storming likely, are expected to continue through March 2. Geomagnetic K-index of 5 (G1 - Minor...

March 01, 2017

4spacex dragon spacecraft mission to the moon

SpaceX to fly two private citizens on a trip around the Moon

SpaceX will fly two private citizens on a trip around the Moon in the second quarter of 2018 using the Crew Dragon spacecraft, the company announced. The privately held company has been approached to fly two private citizens on a trip around the Moon late next year...

February 28, 2017

humans sparked 84 percent of us wildfires

Humans sparked 84% of US wildfires, increased fire season over 2 decades

A new study found that human-ignited wildfires in the United States accounted for 84% of all wildfires, tripling the length of the average fire season and accounting for nearly half of the total acreage burned. In total, humans have ignited over 840 000 blazes in...

February 28, 2017

dust devils on mars

Dust devils on Mars

NASA's Curiosity Mars rover has begun a second campaign of investigating active sand dunes on the northwestern flank of Mount Sharp, inside the 160 km (100 miles) wide Gale Crater. The rover also has been observing whirlwinds carrying dust and checking how far...

February 28, 2017

Massive mudslides in Kaikoura Canyon destroyed all seabed life

Massive mudslides in Kaikōura Canyon destroyed all seabed life

Huge mudslides from November’s earthquakes in New Zealand have wiped out all organisms living in the seabed of the Kaikōura Canyon, NIWA reports. New bathymetric data shows that the earthquake resulted in a huge slipping event. Almost every part of the upper...

February 28, 2017

scientists invent sound shaping super material

Scientists invent sound-shaping super-material

A team of researchers from the Universities of Sussex and Bristol has invented a super-material that bends, shapes and focuses sound waves that pass through it. The creation pushes the boundaries of metamaterials – a new class of finely-engineered surfaces...

February 28, 2017

etna eruption sicily italy february 27 2017

Strong increase in activity at Mount Etna, lava overflowing

Etna's activity is increasing strongly, and lava is overflowing from the Southeast Crater (SEC) toward south-southwest, Boris Behncke of the INGV's Etna Observatory reports. The activity has increased sharply on February 27, 2017, following mild Strombolian...

February 27, 2017

goes 16 suvi captures first solar images 2017

GOES-16 delivers its first images of the Sun

NASA's new geostationary satellite GOES-16 (previously known as GOES-R) has successfully captured first images using its Solar Ultraviolet Imager or SUVI instrument. SUVI replaces GOES Solar X-ray Imager (SXI) instrument in previous GOES satellites and...

February 27, 2017

major floods chile february 2017

Unseasonal rains cause deadly flooding, cut water to millions, Chile

Heavy, unseasonable rains have caused major floods and mudslides in Chile, leaving at least 3 people dead and 19 missing on February 25 and 26, 2017. In the area of country's capital, Santiago, mudslides have cut off water to around 1.2 million homes. Thousands...

February 27, 2017

fireball over texas february 2017

Long-lasting fireball over Texas captured on video

A long-lasting fireball was captured via Sandia all-sky camera in Hawley, Texas at 02:55 UTC on February 27, 2017 (20:55 CST, February 26). The event was associated with a sonic boom, suggesting the object got relatively close to the ground. The American Meteor...

February 27, 2017

asteroid 2017 DV36 flyby february 27 2017

Asteroid 2017 DV36 flew past Earth at 1.02 LD

A newly discovered asteroid named 2017 DV36 flew past Earth at 1.02 LD (391 680 km / 243 378 miles) on February 27, 2017. Its closest approach occurred at 02:57 UTC. 2017 DV36 belongs to the Apollo group of asteroids. It was discovered by Mt. Lemmon Survey on...

February 27, 2017

kakanj landslide february 2017

Massive mine waste landslide at Kakanj, Bosnia

A massive mine waste landslide from an open pit coal mine occurred at Kakanj in Bosnia and Herzegovina last week, blocking a river and forcing 150 people to evacuate Friday, February 24, 2017. The lake created by the landslide overflowed Saturday morning, February...

February 26, 2017

8fuego eruption guatemala february 2017

Increased activity at Fuego, ash up to 5.8 km (19 000 feet) a.s.l.

The activity at Guatemalan Fuego volcano continues with constant moderate explosions ejecting columns of ash and smoke up to 5 km (16 404 feet) above sea level and traveling more than 25 km to the NE, N, NE and E. Ashfall is reported in areas near Alotenango and San...

February 25, 2017

heavy rain floods south africa february 2017

Deadly flooding hits South Africa in the wake of Dineo

Three people have died and two are missing after heavy rain hit South Africa's North West causing severe flooding in the wake of Tropical Cyclone "Dineo." Major roads in the South Africa's North West province have been temporarily closed due to...

February 24, 2017

fiji tonga earthquake february 24 2017 map

Strong and deep M6.9 earthquake hits Fiji - Tonga region

A strong and deep earthquake registered by the USGS as M6.9 hit Fiji - Tonga region at 17:28 UTC on February 24, 2017. The agency is reporting a depth of 396.1 km (246.1 miles). EMSC is reporting M6.9 at a depth of 400 km (248.5 miles). According to the USGS, the...

February 24, 2017

colombia flood february 2017

Unseasonal heavy rain strikes Colombia causing severe floods

At least one person is dead, 3 are missing and 2 000 have been displaced after heavy, unseasonal rainfall caused severe flooding in central and western parts of Columbia between February 21 and 23, 2017. More heavy rain is expected over the weekend. According to...

February 24, 2017

slow moving landslide slicing hill abruzzo italy

Slow-moving landslide slicing a hill in Abruzzo, Italy

Like the country didn't have enough natural disasters over the past several months, and years, yet another unstoppable disaster is affecting Italy's central region of Abruzzo, albeit rather slowly. Civil authorities reported a slow-moving landslide is...

February 24, 2017

asteroid 2017 DR34 flyby february 25 2017

Asteroid 2017 DR34 to flyby Earth at 0.57 LD

A newly discovered asteroid named 2017 DR34 will make a very close approach to Earth, passing only 0.57 LD (218 880 km / 136 005 miles) from the surface of our planet on February 25, 2017. This is the second near-Earth asteroid to flyby within 1 lunar distance since...

February 24, 2017

geomagnetic storm february 24 2017

CH HSS sparks geomagnetic storm reaching G1 levels

Our planet is under the influence of a recurrent, positive polarity coronal hole high speed stream since around 20:48 UTC on February 23. This is causing G1 geomagnetic storming. Geomagnetic K-index of 5 (G1 - Minor geomagnetic storm) threshold was first reached at...

February 24, 2017

quartz crystals earth core power magnetic field

"Quartz" crystals at the Earth's core power its magnetic field

Scientists at the Earth-Life Science Institute at the Tokyo Institute of Technology reported in Nature yesterday their unexpected discoveries about the Earth's core. The findings include insights into the source of energy driving the Earth's magnetic field,...

February 23, 2017

storm doris weather bomb february 23 2017

Rapidly intensifying storm hits Ireland and UK

Storm Doris rapidly intensified as it moved over Ireland and the United Kingdom Thursday morning, February 23, 2017, bringing powerful winds, heavy rain and snow. As of late afternoon, at least one person has been killed. Doris tracked across Ireland and the United...

February 23, 2017

2weekly volc report_(1)

Active volcanoes in the world: February 15 - 21, 2017

New activity was reported for 5 volcanoes between February 15 and 21, 2017. During the same period, ongoing activity was reported at 14 volcanoes. New activity/unrest: Barren Island, Andaman Islands (India) | Krakatau, Indonesia | Lanin, Central Chile-Argentina...

February 23, 2017

evidence of chaotic solar system

Evidence of chaotic solar system

A team of scientists from the University of Wisconsin-Madison and Northwestern University has found evidence confirming a critical theory of how the planets in our solar system behave in their orbits around the Sun. The finding is important because it provides the...

February 23, 2017

asteroid 2017 DG16 flyby february 23 2017

Asteroid 2017 DG16 to flyby Earth at 0.34 LD

A newly discovered asteroid named 2017 DG16 will flyby Earth at a very close distance of 0.34 LD (130 560 km / 81 126 miles) from the surface of our planet at 21:08 UTC on February 23, 2017. This is the fifth known near-Earth asteroid to flyby Earth within 1 lunar...

February 23, 2017

saharan dust over europe february 2017

Thick cloud of Saharan dust moving over SE Europe

A large amount of Saharan dust was swept up into a low pressure system over north Africa on February 21, 2017. Thick dust cloud has already reached Spain and Portugal and is now moving east, toward Italy, Malta and the Balkans. The event is expected to last into...

February 23, 2017

annular solar eclipse february 26 2017

Annular solar eclipse of February 26, 2017

An annular solar eclipse will take place on February 26, 2017, creating a ring of light around the darkened Moon as the Moon will be too far away from the Earth to completely cover the Sun. This is the first of two eclipses in 2017 and comes just 7 months before the...

February 22, 2017

san jose flooding california february 2017

Worst flooding in 100 years hits San Jose, California

Some 14 000 residents of San Jose, a large city in California's Bay Area, are under mandatory evacuation orders with another 36 000 in the recommended evacuation area after Coyote Creek, Santa Clara County's longest, overflowed in what officials are calling...

February 22, 2017

winter storm quid us february 22 2017

After California, strong storm aims US Midwest, Plains

Some 6.6 million people in the United States are under winter storm watches as strong winter storm threatens Midwest and Plains Thursday, February 23. This is the same storm that dumped heavy rain and flooded California earlier in the week. This storm is now named...

February 22, 2017

storm doris uk february 2017

Significant storm to bring damaging winds, rain and snow to UK

A significant winter storm, named Doris by the UK Met Office, is expected to bring damaging winds, rain and some snow to the UK on Thursday, February 23, 2017. A deep low pressure system developing in the Atlantic is expected to track across Northern Ireland and...

February 22, 2017

fifth world food lost over eating waste study

Fifth of world's food lost to over-eating and waste, study finds

Almost 20% of the food made available to consumers is lost through over-eating or waste, a study suggests. The world population consumes around 10% more food than it needs, while almost 9% is thrown away or left to spoil, researchers say. Efforts to reduce the...

February 22, 2017

Visualizing spills data from unconventional oil and gas activity

Study finds 6 600 spills from fracking in just four US states

Each year, 2 to 16 percent of hydraulically fractured oil and gas wells spill hydrocarbons, chemical-laden water, hydraulic fracturing fluids and other substances, according to a study published yesterday in Environmental Science & Technology. The analysis,...

February 22, 2017

new data two distant asteroids plane nine clue

New data about two distant asteroids give a clue to the possible “Planet Nine”

The dynamical properties of these asteroids, observed spectroscopically the first time using the Gran Telescopio CANARIAS, suggest a possible common origin and give a clue to the existence of a planet beyond Pluto, the so-called “Planet Nine”. In the...

February 22, 2017