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Vocapedia > Space > Asteroids, Meteorites, Meteors

Did Asteroids Bring Water to Earth?

Video ScienceTake The New York Times 15 May 2018

YouTube

https://www.youtube.com/watch?v=UtoGxZt42_0

space rock / meteor / asteroid UK / USA

https://www.theguardian.com/science/
meteors

2024

https://www.theguardian.com/science/2024/feb/01/
asteroid-near-earth-nasa

2023

https://www.npr.org/2023/12/10/
1218448190/a-massive-star-called-betelgeuse-will-be-briefly-obscured-
by-an-asteroid-monday-

https://www.theguardian.com/science/2023/nov/03/
mini-moon-asteroid-discovered-dinkinesh-nasa

https://www.theguardian.com/science/2023/oct/30/
dust-drove-dinosaurs-extinction-after-asteroid-impact-scientists-say

https://www.npr.org/2023/07/14/
1187815750/ryugu-hayabusa-stardust-sprinkled-asteroid

https://www.npr.org/2023/03/25/
1166067027/asteroid-earth-moon-city-killer-nasa

2022

https://www.nytimes.com/2022/10/31/
science/asteroid-planet-killer.html

https://www.npr.org/2022/09/26/
1124340144/nasa-dart-shove-asteroid-first-test-planetary-defense

https://www.nytimes.com/2022/01/23/
arts/television/dont-look-up-climate-change.html

2021

https://www.npr.org/2021/12/06/
1061852982/dont-look-up-is-an-environmental-satire-that-squanders-its-resources

https://www.npr.org/2021/11/22/
1056995884/in-a-first-test-of-its-planetary-defense-efforts-nasas-going-to-shove-an-asteroi

https://www.nytimes.com/2021/04/29/
science/meteorite-botswana-asteroid.html

https://www.npr.org/2021/04/13/
986664216/what-is-that-in-the-sky-floridians-catch-meteors-close-brush-with-earth

https://www.nytimes.com/2021/03/01/
world/europe/meteor-uk.html

2020

https://www.npr.org/2020/12/05/
943453573/a-capsule-containing-bits-of-an-asteroid-is-plummeting-to-earth

https://www.nytimes.com/interactive/2020/
science/exploring-the-solar-system.html - July 30, 2020

https://www.nytimes.com/2020/04/28/
science/alien-asteroids-orbits.html

2019

https://www.nytimes.com/2019/12/12/
science/osiris-rex-nasa-asteroid-bennu.html

https://www.nytimes.com/2019/10/21/
science/chicxulub-asteroid-ocean-acid.html

https://www.npr.org/2019/04/29/
718296681/this-week-
nasa-is-pretending-an-asteroid-is-on-its-way-to-smack-the-earth

2018

https://www.npr.org/sections/thetwo-way/2018/05/24/
614105843/asteroid-impact-that-wiped-out-the-dinosaurs-
also-caused-abrupt-global-warming

https://www.youtube.com/
watch?v=UtoGxZt42_0 - NYT video - May 15, 2018

2017

https://www.npr.org/sections/thetwo-way/2017/12/12/
570206648/an-asteroid-gets-its-close-up-as-gemenids-light-up-the-sky

http://www.npr.org/sections/thetwo-way/2017/10/20/
559094041/orionid-meteor-shower-will-peak-overnight-with-best-show-before-dawn

https://www.theguardian.com/science/2017/aug/11/
close-encounter-asteroid-2012-tc4-size-of-a-house-near-miss-with-earth

http://www.npr.org/sections/thetwo-way/2017/04/19/
524680317/an-asteroid-is-swinging-by-earth-today-for-its-closest-visit-in-400-years

2016

http://www.npr.org/sections/thetwo-way/2016/11/22/
503013290/scientists-say-dinosaur-killing-asteroid-made-earths-surface-act-like-liquid

http://www.npr.org/sections/thetwo-way/2016/10/30/
499751470/nasas-new-intruder-alert-system-spots-an-incoming-asteroid

https://www.theguardian.com/science/2016/may/25/
dinosaur-extinction-only-half-the-story-of-killer-asteroids-impact-plant-fossil

http://www.npr.org/sections/thetwo-way/2016/05/06/
476871766/geologists-find-clues-in-crater-left-by-dinosaur-killing-asteroid

2014

http://www.theguardian.com/science/2014/jul/28/
dinosaurs-asteroid-bad-timing-killed-off-biodiversity-edinburgh-scientists

http://www.theguardian.com/science/2014/feb/17/
asteroid-2000-em26-fly-close-earth-potentially-hazardous

http://www.theguardian.com/science/2014/jan/22/
giant-asteroid-steam-ceres

2013

http://www.nytimes.com/2013/11/07/
science/space/more-large-asteroid-strikes-are-likely-scientists-find.html

http://www.theguardian.com/science/2013/nov/06/chelyabinsk-meteor-russia

http://www.theguardian.com/science/2013/aug/16/
hambleton-chelyabinsk-meteorite-auction-rob-elliott

http://www.theguardian.com/science/video/2013/feb/15/asteroid-2012-da14-nasa-video

2012

http://www.guardian.co.uk/science/2012/mar/25/asteroid-headed-for-earth-laser

http://www.guardian.co.uk/science/2012/apr/24/tech-tycoons-asteroid-mining-venture

2010

http://www.nytimes.com/2010/10/26/
opinion/26schweickart.html

2005

https://www.theguardian.com/science/2005/dec/07/
spaceexploration.research

fireball meteor USA

https://www.nytimes.com/2021/03/01/
world/europe/meteor-uk.html

near-Earth asteroids > Bennu

- an asteroid that is a bit wider

than the Empire State Building is tall. USA

OSIRIS-REX spacecraft / robotic probe

Two years from now,

after a 1.4 billion-mile journey

that will swing around the sun twice,

OSIRIS-REX will catch up to Earth.

The main spacecraft will not land,

but it will instead drop off a capsule

containing some precious bits of Bennu

it has collected

— at least a couple of ounces

but more likely more than a pound

of dirt and rubble.

Slowed by parachutes,

the 32-inch-wide capsule will land

on Sept. 24, 2023,

at the Utah Test and Training Range,

a vast, desolate expanse

in the Great Salt Lake Desert.

(...)

Knowledge of this particular space rock

could also be useful

if Earth ever needs to defend itself

against the asteroid.

Bennu belongs to a group

known as near-Earth asteroids

because their orbits cross that of Earth’s.

Late next century,

Bennu will repeatedly pass

particularly near Earth.

Indeed, NASA calculates

a slight but not zero chance

— 1-in-2,700 —

of Bennu hitting our planet

between 2175 and 2199

with the energy of more

than a billion tons of TNT.

That cataclysm

might kill millions of people,

but it would not be large enough

to cause widespread mass extinctions.

OSIRIS-REX

— the name is a shortening of

Origins, Spectral Interpretation,

Resource Identification, Security,

Regolith Explorer —

launched in September 2016

and arrived at Bennu

in December 2018.

Its observations included a surprise:

Bennu was shooting debris

from its surface into space.

https://www.nytimes.com/2021/05/10/
science/nasa-osiris-rex-asteroid.html

https://www.nytimes.com/2020/10/21/
science/nasa-osiris-rex.html

Ryugu,

a jet black asteroid roughly one mile wide,

which orbits the sun between Earth and Mars,

roughly 180 million miles from our planet.

(...)

After its launch in late 2014,

JAXA's Hayabusa2 spacecraft spent 3 1/2 years

getting into position by orbiting the sun.

After its arrival at Ryugu in 2018,

the craft first sent a lander to the surface

before making two trips

of its own to collect material.

Before its second visit

to Ryugu's surface in 2019,

Hayabusa2 prepared a crater for itself

with plastic explosives.

On its return trip,

the capsule containing the sample

separated from Hayabusa2

more than 130,000 miles from Earth

— a distance that would get you

more than halfway from your home

to the moon.

And JAXA researchers

are aiming to land the little pod

inside an area spanning

about 40 square miles

in the Australian Outback.

As if that weren't enough,

they will also have to find the darn thing,

which is expected to contain material

weighing just one gram.

It's a search

that is expected to require

at least five antennas, a helicopter

and the support of the Australian space agency

and the country's military.

https://www.npr.org/2020/12/05/
943453573/a-capsule-containing-bits-of-an-asteroid-is-plummeting-to-earth

asteroids called Centaurs

(...)

inhabit outer realms of the solar system

between Jupiter and Neptune USA

https://www.nytimes.com/2020/04/28/
science/alien-asteroids-orbits.html

Ceres UK / USA

600 miles wide,

the largest of the asteroids

between Mars and Jupiter.

(...)

a giant world of rock and ice

(...)

“Ceres has 38 percent of the area

of the continental United States.

It’s actually the largest body

between the sun and Pluto

that a spacecraft

has not yet visited.”

http://www.nytimes.com/2015/01/20/science/
nasa-spacecraft-get-a-closer-look-at-pluto-and-ceres-whatever-they-may-be.html

http://www.npr.org/blogs/thetwo-way/2015/03/06/
391028906/nasa-probe-to-arrive-at-dwarf-planet

http://www.theguardian.com/science/2015/mar/01/
dawn-ceres-nasa-probe-enter-dwarf-planet-orbit

http://www.nytimes.com/2015/01/20/
science/nasa-spacecraft-get-a-closer-look-at-pluto-and-ceres-
whatever-they-may-be.html

asteroid > (52768) 1998 OR2 UK

https://www.theguardian.com/science/2020/apr/29/
asteroid-passing-earth-1998-or2-wednesday-near-4m-miles-
face-mask-fly-by

asteroid > 2014 JO25 USA

http://www.npr.org/sections/thetwo-way/2017/04/19/
524680317/an-asteroid-is-swinging-by-earth-today-for-its-closest-visit-in-400-years

asteroid > 2013 TV135 UK

http://www.theguardian.com/science/across-the-universe/2013/oct/18/
asteroid-2013-tv135-doomsday-again

asteroid > 2012 DA14 UK / USA

http://www.guardian.co.uk/science/2013/feb/15/
asteroid-misses-earth-meteor-strike

http://www.nytimes.com/2013/02/10/
opinion/sunday/beware-of-errant-asteroids.html

http://www.guardian.co.uk/science/2013/feb/08/
asteroid-will-miss-earth-says-nasa

http://www.guardian.co.uk/science/video/2013/feb/07/
asteroid-earth-animation

asteroid mining UK

http://www.guardian.co.uk/science/across-the-universe/2013/jan/23/
asteroid-mining-deep-space-industries

Asteroid mining:

how it might work – interactive UK April 24, 2012

http://www.guardian.co.uk/science/interactive/2012/apr/24/
asteroid-mining-how-work-interactive

asteroid's path

flyby UK

https://www.theguardian.com/science/2024/feb/01/
asteroid-near-earth-nasa

a 390-metre wide asteroid

interstellar object USA

https://www.npr.org/sections/thetwo-way/2017/12/12/
570167473/astronomers-want-to-know-
does-this-interstellar-visitor-have-a-message-for-us

meteorite / meteor UK / USA

https://www.npr.org/2021/10/14/
1045990641/meteorite-canada-british-columbia-bed

https://www.nytimes.com/interactive/2020/
science/exploring-the-solar-system.html - July 30, 2020

http://www.npr.org/sections/thetwo-way/2016/06/15/
482195719/scientists-say-theyve-unearthed-a-completely-new-kind-of-meteorite

http://www.theguardian.com/science/2014/feb/24/
meteorite-moon-largest-lunar-impact-recorded

http://www.theguardian.com/science/2013/nov/06/
chelyabinsk-meteor-russia

http://www.theguardian.com/science/2013/aug/16/
hambleton-chelyabinsk-meteorite-auction-rob-elliott

http://www.guardian.co.uk/science/video/2013/may/18/
meteor-crashes-moons-surface-flash-video

http://www.guardian.co.uk/commentisfree/2013/feb/15/
meaning-of-meteors

http://www.nytimes.com/2013/02/16/science/space/
size-of-blast-and-number-of-injuries-are-seen-as-rare-for-a-rock-from-space.html

http://www.nytimes.com/2013/02/16/world/europe/
a-flash-in-russian-skies-as-inspiration-for-fantasy.html

http://www.nytimes.com/2013/02/16/world/europe/
meteorite-fragments-are-said-to-rain-down-on-siberia.html

http://www.theguardian.com/science/2013/aug/16/hambleton-chelyabinsk-meteorite-auction-rob-elliott

http://www.guardian.co.uk/science/datablog/interactive/2013/may/08/meteorites-2500bc-interactive

http://cityroom.blogs.nytimes.com/2013/02/22/flashy-meteors-fall-on-us-too/

http://www.guardian.co.uk/world/gallery/2013/feb/15/meteorite-explosion-russia-in-pictures

http://www.guardian.co.uk/science/video/2013/feb/16/russian-meteorite-scientists-search-video

http://www.guardian.co.uk/science/2013/feb/15/meteorite-russia-key-questions-answered

http://www.guardian.co.uk/world/2013/feb/15/meteorite-footage-russia-dashcams

http://www.guardian.co.uk/science/2013/jan/03/mars-meteor-water-sahara-analysis

http://www.guardian.co.uk/science/across-the-universe/2012/aug/10/
perseid-meteor-shower-astronomy

http://www.guardian.co.uk/science/audio/2011/jan/10/
science-weekly-podcast-meteors-ted-nield

Eta Aquariids meteor shower USA

https://www.nytimes.com/2019/05/05/
science/eta-aquariids-meteor-shower.html

annual Perseid meteor shower USA

http://www.npr.org/blogs/thetwo-way/2014/08/12/
339924823/the-perseid-meteor-shower-due-to-shine-tonight

The Perseids August 2013

the year's

most spectacular meteor shower

for viewers in the northern hemisphere

The Perseids were once part

of comet Swift-Tuttle.

At 27 kilometres across,

this is one of the largest.

It orbits the sun every 133 years

and last passed by in 1992.

Whenever it approaches,

the heat of the sun

disintegrates its ice,

creating a dusty tail

and replenishing

the Perseid stream.

The Earth

passes through this stream

every August,

sparking the meteor shower.

Each one of the meteors,

sometimes called shooting stars,

that you see

is a tiny speck of dust as old

as the formation of Earth

and the other planets,

4.6bn years ago.

It burns with incandescent glory

because it has hit our atmosphere

at a speed

of 160,000 kilometres per hour

(100,000 miles per hour).

This creates a shockwave

that compresses

a pocket of air

in front of the dust grain

and raises it to a temperature

of a few thousand degrees.

This is enough

to burn up the dust

and create a bright meteor.

Swift Tuttle

is the largest object

to regularly pass Earth.

Its orbit is known well enough

for astronomers to believe

it does not pose a collision hazard

for at least the next 2,000 years.

https://www.theguardian.com/science/across-the-universe/2013/aug/09/
perseid-meteor-shower-2013-best-view

http://www.theguardian.com/science/video/2013/aug/13/
perseids-meteor-shower-timelapse-video

micrometeoroid USA

https://www.nytimes.com/live/2022/07/12/
science/webb-telescope-images-nasa#mirror-hits-damage

Related > Anglonautes > Vocapedia

asteroids, meteorites, meteors

asteroids, comets > near-Earth objects - NEOs

space > Earth

space, astronomy

palaeontology >

dinosaurs, pterosaurs, tyrannosaurs