Space

thunder bay ontario canada crater december 14 2017 copyright CBC

Loud explosion shakes houses as meteorite hits Thunder Bay, Ontario

A loud explosion that shook houses in Ontario's Thunder Bay, Canada late Wednesday, December 13, 2017 appears to be caused by a meteorite that hit the ground near Highway 61, creating a 75 cm (30 inches) wide crater. The loud boom could be indicative of a larger...

December 14, 2017

geminid meteor shower

Geminids: The king of meteor showers peaks December 13 and 14

Geminids meteor shower peaks on the night of December 13 and the morning of December 14th, 2017. This is a major (Class I) meteor shower producing up to 120 meteors per hour, some of them bright enough to be classified as fireballs. Since the Moon will be 26 days...

December 12, 2017

florida fireball december 5 2017 copyright j gresham

Very bright fireball recorded over Florida

A very bright fireball was recorded streaking through the night sky over Florida around 23:35 UTC on December 5, 2017 (18:35 EST). The event lasted up to 7 seconds. The American Meteor Society (AMS) received 57 reports by 19:00 UTC on December 6. The fireball was...

December 06, 2017

K2 18b

Two Super-Earths around red dwarf K2-18

New research using data collected by the European Southern Observatory (ESO) has revealed that a little-known exoplanet called K2-18b could well be a scaled-up version of Earth. Just as exciting, the same researchers also discovered for the first time that the...

December 06, 2017

an all sky map

Astronomer's map reveals location of mysterious fast-moving gas

An Australian scientist has created the most detailed map ever of clouds of high-velocity gas in the Universe around us. The map covers the entire sky and shows curious clouds of neutral hydrogen gas that are moving at a different speed to the normal rotation of the...

December 05, 2017

J0045+41

The most tightly coupled pair of supermassive black holes ever seen

An intriguing source has been discovered in the nearby Andromeda galaxy using data from NASA's Chandra X-ray Observatory and ground-based optical telescopes. Previously thought to be part of the Milky Way's neighbor galaxy, the new research shows this source...

December 03, 2017

pennsylvania fireball december 2 2017 copyright m hankey

Very bright fireball over Pennsylvania, sonic boom reported

A very bright fireball was seen streaking through the night sky over Pennsylvania at 08:07 UTC (03:07 EST) on Saturday, December 2, 2017. The event lasted several seconds and was accompanied by a sonic boom. The American Meteor Society (AMS) received 78 reports by...

December 02, 2017

night sky guide december 2017

Night sky guide for December 2017

The year ends with the first and last supermoon of the year, the first of 3 over the next 60 days, one royal meteor shower, and December solstice. Hopefully, this year made us all stronger, wiser and ready for what's to come in 2018 and beyond. December 1 -...

December 01, 2017

fireball england november 29 2017 copyright drudeboy

Another fireball streaks over England, UK

A bright fireball was seen streaking through the twilight sky over England, UK around 17:19 UTC on November 29, 2017. The event lasted about 3 seconds. The International Meteor Organization (IMO) collected 24 reports within the first 3 hours. The fireball was seen...

November 29, 2017

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