Space - page 5

winter polar vortex of titan

Unexpected atmospheric vortex behavior on Saturn’s moon Titan

A new study, led by a University of Bristol earth scientist, has shown that recently reported unexpected behavior on Titan, the largest moon of Saturn, is due to its unique atmospheric chemistry. Titan’s polar atmosphere recently experienced unexpected and...

November 29, 2017

fireball over united kingdom 23 59z november 24 2017 img

Two bright fireballs over southern England, UK

Two bright fireballs were observed streaking through the night sky over southern England, United Kingdom over the past 24 hours. The first at 23:59 UTC on Friday, November 24 and the second at 07:12 UTC on Saturday, November 25, 2017. Sound was associated with both...

November 25, 2017

asteroid 2017 WA14

Asteroid 2017 WA14 flew past Earth at 0.25 LD, second within 40 minutes

A newly discovered asteroid designated 2017 WA14 flew past Earth at a distance of 0.25 LD / 0.00063 AU (~94 246 km / 58 562 miles) on November 21, 2017. It was the second known near-Earth asteroid flyby within 1 lunar distance on November 21 and the second within 40...

November 25, 2017

geomagnetic storm

Plasma space tornadoes let high-energy particles into near-Earth space

Researchers using NASA's Magnetospheric Multiscale mission (MMS) discovered tornado-like swirls of plasma create a magnetosphere tumultuous enough to let harmful high-energy particles from the Sun slip into near-Earth space. The discovery is important for...

November 23, 2017

bright fireball japan november 21 2017

Bright fireball streaks through the night sky over Japan

A bright fireball streaked through the night sky over Japan around 12:30 UTC (21:30 JST) on November 21, 2017. The object was visible for a few seconds before it disintegrated in a bright flash. The event was witnessed by people from both east and west coast of...

November 22, 2017

asteroid 2017 WW1

Asteroid 2017 WW1 to flyby Earth at a distance of 0.37 LD

A small asteroid designated 2017 WW1 will flyby Earth at a distance of 0.37 LD / 0.00094 AU (~140 621 km / 87 378 miles) at 19:18 UTC on November 21, 2017. This is 50th known asteroid to flyby Earth within 1 lunar distance since the start of the year. 2017 WW1 was...

November 21, 2017

solar flare pulse

NASA detects solar flare pulses at Sun and Earth

When our Sun erupts with giant explosions—such as bursts of radiation called solar flares—we know they can affect space throughout the solar system as well as near Earth. But monitoring their effects requires having observatories in many places with many...

November 20, 2017

shift in ozone trends

Three decades of measurements show ozone's ups and downs

Climate scientists studying three decades of ozone measurements from seven satellites see a positive trend in global recovery after international efforts to curb ozone-depleting substances. The part of Earth’s atmosphere with high concentrations of ozone gas...

November 20, 2017

a supernova

Astronomers discover a star that just keeps shining

An international team of astronomers led by Las Cumbres Observatory (LCO) has made a bizarre discovery; a star that just keeps shining. Supernovae, the explosions of stars, have been observed in the thousands and in all cases they marked the death of a star. But in...

November 19, 2017

planet ross 128b

Closest temperate world orbiting quiet star discovered

A temperate Earth-sized planet has been discovered only 11 light-years from the Solar System by a team using ESO’s unique planet-hunting HARPS instrument. The new world has the designation Ross 128 b and is now the second-closest temperate planet to be...

November 19, 2017

leonids wannabe

Major meteor shower: Leonids peak this weekend

The Leonid meteor shower is a major meteor shower (Class I), running annually from November 5 to December 3. This year, it will reach its maximum rate of activity on the night of November 17 and the morning of November 18. The maximum rate of meteors expected to be...

November 17, 2017

17_139_Supermassiveblackhole.jpg_SIA_JPG_fit_to_width_INLINE

Astronomers discover new type of cosmic explosion

An international team of astronomers, including a University of Southampton expert, has discovered a new type of explosion in a distant galaxy. The explosion, called PS1-10adi, seems to prefer active galaxies that house supermassive black holes consuming the gas and...

November 16, 2017

lapland finland fireball november 16 2017 f

Very bright fireball explodes over northern Finland, sonic boom reported

A very bright fireball exploded over Lapland, northern Finland at 16:40 UTC (18:40 EET) on November 16, 2017. The event lasted between 5 and 10 seconds and was seen across northern Finland, especially Nellim, Solojärvi and Ivalo, and from northern Norway. This...

November 16, 2017

asteroid 2017 vf14

Asteroid 2017 VF14 flew past Earth on November 13 at 0.80 LD

A newly discovered asteroid designated 2017 VF14 flew past Earth at 0.80 LD / 0.00205 AU (~ 306 675 km / 190 559 miles) on November 13, 2017, two days after it was discovered. This is the 49th known asteroid to flyby Earth within 1 lunar distance since the start of...

November 16, 2017

ohio fireball november 15 2017

Bright fireball over Ohio, 43 reports received

A bright fireball was seen streaking through the sky over Ohio, United States at 01:49 UTC on November 15, 2017 (20:49 EST, November 14). This is the third of four major fireball events within 10 hours, according to the International Meteor Organization (IMO). The...

November 15, 2017

france fireball november 15 2017 f

Bright fireball over western France, 70 reports received

A bright fireball entered Earth's atmosphere over the city of Bordeaux, western France at 21:32 UTC (22:32 CET) on November 14, 2017, as the second major fireball event within 5 hours. It lasted up to 3 seconds. The International Meteor Organization (IMO)...

November 15, 2017

arizona fireball november 15 2017 gilbert arizona

Very bright fireball explodes over Arizona, 4th major fireball within 10 hours

A very bright fireball streaked through the night sky over Arizona at around 03:29 UTC on November 15, 2017 (20:29 MST, November 14). The event lasted up to 7 seconds and does not appear as a good candidate for the Taurid Meteor Shower. This is the 4th major...

November 15, 2017