Comets and asteroids

jupiter trojan asteroid nasa jpl

Jupiter a 'sniper' flinging dangerous objects toward Earth, study

Some scientists theorize that Jupiter acts like a giant space shield-- due to its tremendous mass, it sucks in or deflects dangerous space objects. However, studies led by American planetary physicist Kevin Grazier demonstrate that the planet is actually a threat...

January 11, 2020

ryugu impact craters

Impact crater analysis of Ryugu reveals the asteroid's geological history

Analysis of the impact craters on the asteroid Ryugu using Hayabusa 2's remote sensing image data has revealed the geological history of the near-Earth object. The research team, led by assistant professor Naoyuki Hirata of the Department of Planetology at Kobe...

December 20, 2019

dust trail geminid captured by parker probe

Geminid meteor shower's dust trail spotted for the first time

NASA's Parker Solar Probe spotted Geminid meteor shower's dust trail from space for the first time ever. As it orbits the Sun 21 more times, the probe will help scientists examine the mysterious structure of the trail. Meteors in yearly showers such as the...

December 16, 2019

21borisov featured img

Hubble captures interstellar comet 2I/Borisov swinging past the Sun

The Hubble Space Telescope has shared the sharpest view of the interstellar comet 2I/Borisov moving at 160 934 km/h (100 000 mph) past the Sun. This is the second interstellar object recorded in our solar system, the first being Oumuamua in 2017. "Hubble...

December 14, 2019

closest look at exploding comet by NASA

Most complete and detailed observation of the formation and dissipation of comet outburst

NASA's exoplanet-tracking satellite Transiting Exoplanet Survey Satellite (TESS) captured a rare glimpse of the entirety of a "comet outburst"-- an epic cosmic event where a comet spontaneously combusts in an intense explosion. This is the most...

December 08, 2019

Gennady Borisov discovers new comet nov 14 2019

Amateur astronomer who detected an interstellar object discovers another comet

Crimean amateur astronomer Gennadiy Borisov​ discovered another comet in early November 2019, just months after tracking an interstellar comet in August which may be carrying alien water. The newly found stellar object is his ninth discovery. This object was...

November 18, 2019

borisov comet oct 2019

Hubble gives best look yet at first confirmed interstellar comet - Comet 2I/Borisov

NASA's Hubble space telescope provided astronomers with the best look yet at Comet 2I/Borisov, the first confirmed interstellar comet, on October 12, 2019. The observation is the sharpest view ever of the said comet. Hubble showed a central concentration of dust...

October 20, 2019


New evidence supports giant asteroid impact 12 800 years ago

A research team from South Africa has discovered new evidence that suggests Earth was struck by an asteroid or meteorite 12 800 years ago. The event resulted in global consequences and the extinction of many species at the period of an episode called Younger Dryas....

October 13, 2019

comet c2019q4 sept 10 2019

Comet 2019 Q4 (Borisov) likely an interstellar visitor

NASA believes that the mysterious comet named C/2019 Q4, which exited the astronomical community this week, is from outside the solar system. The object was discovered by Gennady Borisov, a Crimean astronomer at the MARGO observatory, Nauchnij, on August 30, 2019....

September 15, 2019

australia fireball may 2019

Small asteroid explodes over Australia

An asteroid with an estimated diameter of 1.2 m (3.9 feet) streaked through the night sky over central Australia around 14:50 UTC on May 19 (00:20 ACST May 20) and was captured by multiple cameras. The event lasted several seconds before the object disintegrated in...

May 20, 2019

sungrazer march 1 2019

House-sized Sungrazer comet enters LASCO C3 view

A bright sungrazing comet has entered SOHO/LASCO C3 camera view. While this is SOHO's approximately 3 687th comet discovery, it's only the 7th Sungrazer discovered this year, suggesting we're currently seeing a low-density part of the Kreutz stream....

March 01, 2019

asteroid 2018 nw

Asteroid 2018 NW flew past Earth at 0.32 LD, the second at 0.3 LD in 8 hours

A newly discovered asteroid designated 2018 NW flew past Earth at 0.32 LD / 0.00083 (124 166 km / 77 153 miles) at 03:12 UTC on July 8, 2018. Asteroid 2018 NW belongs to the Apollo group of asteroids and has an estimated diameter of 7.2 to 16 m (23 - 52 feet). It...

July 10, 2018

asteroid ryugu hayabusa2

Ion-powered Hayabusa2 spacecraft arrives at asteroid Ryugu

The unmanned Japanese spacecraft Hayabusa2 has arrived at asteroid Ryugu, currently located 284 million km (176 million miles) away from Earth. The spacecraft will attempt 3 brief touch-and-go landings over the next 18 months to collect samples and return them to...

June 27, 2018

asteroid 2018 la f

Asteroid 2018 LA explodes over South Africa and Botswana several hours after discovery

A newly discovered asteroid designated 2018 LA exploded somewhere along the South Africa - Botswana border region at 16:53 UTC on June 2, 2018. The asteroid was discovered several hours before it entered our atmosphere. It is possible pieces of it survived the entry...

June 03, 2018

asteroid 2018 hv

Small asteroid 2018 HV flew past Earth at 0.4 LD

A newly discovered asteroid designated 2018 HV flew past Earth at 0.4 LD / 0.00104 AU (155 581 km / 96 674 miles) on April 22, 2018. This object belongs to the Apollo group of asteroids. It was first observed at Mt. Lemmon Survey on April 21, just hours before its...

April 23, 2018

asteroid 2018 ge3

Asteroid 2018 GE3 flew past Earth at 0.5 LD

A newly discovered asteroid designated 2018 GE3 flew past Earth at a very close distance of 0.5 LD or 0.00129 AU (~192 981 km / 119 912 miles) on April 15, 2018. This is the 28th known asteroid to flyby Earth within 1 lunar distance since the start of the year and...

April 16, 2018

asteroid 2018 dv1

Asteroid 2018 DV1 to flyby Earth at 0.29 LD on March 2

A newly discovered asteroid designated 2018 DV1 will flyby Earth at a very close distance of 0.29 LD or 0.00075 AU (~112 198 km / 69 716 miles) on March 2, 2018. This will be the 18th known and 6th closest asteroid to flyby Earth within 1 lunar distance since the...

February 27, 2018