Exo

NEOs, NEAs, NECs, PHAs:
Near-Earth Asteroids (NEAs): 21,458
Near-Earth Objects (NEOs): 21,566
Near-Earth comets (NECs): 108
Potentially Hazardous Asteroids (PHAs): 2028

Exoplanets:
Discovered: 4,099
NASA Candidates: 4,729
Planetary Solar Systems: 3,045

Exoplanets, figs., “Exoplanet Exploration” (https://exoplanets.nasa.gov/)
NEA,NEO,NEC,PHA figs., “Discovery Statistics” (https://cneos.jpl.nasa.gov/stats/totals.html) – Retrieved: 11-28-2019 12:37:04 –

Exoplanet Population – Kepler has discovered a remarkable quantity of exoplanets and significantly advanced the edge of the frontier.
https://www.nasa.gov/sites/default/files/thumbnails/image/press-web25_exoplanet_populations.jpg
Credit: NASA/Ames Research Center/Natalie Batalha/Wendy Stenzel

Recent Exo. Posts:

New Technique May Give NASA’s Webb Telescope a Way to Quickly Identify Planets with Oxygen

New Technique May Give NASA’s Webb Telescope a Way to Quickly Identify Planets with Oxygen

New Technique May Give NASA’s Webb Telescope a Way to Quickly Identify Planets with Oxygen Researchers may have found a ...
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Proba-2 watches Mercury transit

Proba-2 watches Mercury transit

Proba-2 watches Mercury transit ESA's Proba-2 had a ring-side seat for the transit of Mercury on 11 November 2019. Proba-2 ...
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NASA’s TESS spacecraft is finding hundreds of exoplanets – and is poised to find thousands more

NASA’s TESS spacecraft is finding hundreds of exoplanets – and is poised to find thousands more

NASA's TESS spacecraft is finding hundreds of exoplanets – and is poised to find thousands more This artist’s impression shows ...
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What moons in other solar systems reveal about planets like Neptune and Jupiter

What moons in other solar systems reveal about planets like Neptune and Jupiter

What moons in other solar systems reveal about planets like Neptune and Jupiter Exomoons orbiting an exoplanet outside our solar ...
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NASA Mission Selects Final Four Site Candidates for Asteroid Sample Return

NASA Mission Selects Final Four Site Candidates for Asteroid Sample Return

NASA Mission Selects Final Four Site Candidates for Asteroid Sample Return After months grappling with the rugged reality of asteroid ...
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Accelerating exoplanet discovery using chemical signatures of stars

Accelerating exoplanet discovery using chemical signatures of stars

Accelerating exoplanet discovery using chemical signatures of stars Planets form from a disc of dust orbiting a star. Mopic/Shutterstock.com Natalie ...
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A disc of dust and gas found around a newborn planet could be the birthplace of moons

A disc of dust and gas found around a newborn planet could be the birthplace of moons

A disc of dust and gas found around a newborn planet could be the birthplace of moons The bright spot ...
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The tell-tale clue to how meteorites were made, at the birth of the solar system

The tell-tale clue to how meteorites were made, at the birth of the solar system

The tell-tale clue to how meteorites were made, at the birth of the solar system Geminid meteors shower downward on ...
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How we found a white dwarf – a stellar corpse – by accident

How we found a white dwarf – a stellar corpse – by accident

How we found a white dwarf – a stellar corpse – by accident Searching for planets around nearby stars is ...
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Exoplanet and Cosmology discoveries awarded Nobel Prize

Exoplanet and Cosmology discoveries awarded Nobel Prize ESA congratulates 2019 Nobel Prize in Physics laureates Michel Mayor and Didier Queloz, ...
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TESS Presents Panorama of Southern Sky

TESS Presents Panorama of Southern Sky The glow of the Milky Way — our galaxy seen edgewise — arcs across ...
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NASA Mission Reveals Asteroid Has Big Surprises

NASA Mission Reveals Asteroid Has Big Surprises A NASA spacecraft that will return a sample of a near-Earth asteroid named ...
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Curious Kids: why has nobody found any life outside of Earth?

Curious Kids: why has nobody found any life outside of Earth? An artist’s impression of Kepler-22b, a planet known to ...
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How did Uranus end up on its side? We’ve been finding out

How did Uranus end up on its side? We've been finding out Uranus seen in this false-color view from NASA’s ...
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What the moon’s craters reveal about the Earth’s history

What the moon's craters reveal about the Earth's history Studying craters on the moon can shed light on the Earth’s ...
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The Life and Death of a Planetary System

The Life and Death of a Planetary System How did we get here? How do stars and planets come into ...
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New Horizons Spacecraft Image From 4B Miles Of Ultima Thule

New Horizons Spacecraft Image From 4B Miles Of Ultima Thule First Images of Ultima Thule Release Date: January 2, 2019 ...
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In Search of Missing Worlds, Hubble Finds a Fast Evaporating Exoplanet

In Search of Missing Worlds, Hubble Finds a Fast Evaporating Exoplanet Exoplanet Is Shrinking as Atmosphere Leaks Off In nabbing ...
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Geminids meteor shower: an astrophysicist on what to look out for

Geminids meteor shower: an astrophysicist on what to look out for A spectacular display. Shutterstock. Samantha Rolfe, University of Hertfordshire ...
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NASA spacecraft gets up close with an asteroid that could one day collide with Earth

NASA spacecraft gets up close with an asteroid that could one day collide with Earth Image of Bennu from a ...
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