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Alien Worlds

Science-fiction

Voici quelques illustrations de paysages extraterrestres. De nouvelles images sont régulièrement ajoutées à cette collection. En passant la souris sur l'image, vous afficherez un commentaire additionnel. Consultez également la galerie Terragen, Illustrations et Infographies pour d'autres illustrations.

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Science fiction

Here are some illustrations of alien worlds. New images are regularly added to this collection. Passing the mouse over the image, you will display an additional commentary. See also the other galleries : Terragen, Illustrations and Computer Graphics for additional renderings.

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Thierry.

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Pat Rawlings, NASA illustrator.

Solar System - Exoplanets - Virtual Worlds - Bioastronomy

Solar System

Parker approaching the Sun

Voyager 1 approaching AC+79.3888

SOHO monitoring the Sun

Cassini burning

Cassini Grand Final by 20° and 40° of latitude

Cassini-Huygens

Cassini exploring Saturn Rings

 Cassini-Huygens approaching Saturn

The turbulent atmopshere of Jupiter

In the depths of Jupiter

The collision between gravity and acoustic waves create heat rising from the depths up to 800 km over the Great red Spot

Selfie : Juno, Jupiter & Europa

Excess of Heat above GRS 

Jupiter's GRS in perspective

Juno rendezvous with Jupiter and Io

Juno rendezvous with Jupiter and Io

Juno space probe over GRS

 Juno Rendezvous with Jupiter

New Horizons, Pluto and Charon

New Horizons FlyBy of Pluto and Charon

New Horizon Mission to Pluto.

New Horizons over Pluto

Rendezvous with Pluto

Icy and dusty Pluto landscape with its 3 moons.

Rendezvous between New Horizons, Pluto and Charon

Icy Pluto landscape with its 3 moons close to conjunction.

Pluto and three moons

New Horizons and Pluto

Icy surface on Pluto

Landscape of Pluto somehours before sunset

Pluto and three moons

Haze on Pluto

 Mist on Pluto

The icy and cratered surface of Eris and its small moon Dysnomia. This dwarf planet was for a while considered as the 10th planet and temporary named Xena.

The icy and cratered surface of Eris and its small moon Dysnomia. This dwarf planet was for a while considered as the 10th planet and temporary named Xena.

Dwarf planet Eris (2003 UB313, ex Xena) and its moon Dysnomia

The dwarf planet V774104

Moonbase, 2025

Voyager 2 FlyBy of Neptune, Triton

Exploring Asteroid Toutatis

Venus Express mission

Venus Express mission

Close up on Sedna, a Kuiper Belt Object (KBO)

Venus Express

Venus Express, Earth and Sun

Sedna

Venus Express mission. Sunny spells.

Venus Entry Probe mission

Sunny Spells on Venus

Venus Entry Probe

Lightnings at sunset on Venus

Rendezvous over Mars (MGS spaceprobe and Phobos).

Rising of Saturn on Titan

In Quest of Life

Rendezvous with MGS

Rising of the Ringed Planet

Messenger mission

Messenger En Route to Mercury

Mission Messenger, 2011

Deep Impact, 4 July 2005

Monitoring of ice tichkness at North pole.

North Pole Watch

Keyhole Scrutating Argentina

MetOp in Orbit

Exoplanets

 

 

 

Transits in front of Trappist-1

 

G star surrounded with a dust disk and planetesimals.

Tau Ceti

Trappist-1

Debris disk of Tau Ceti

Discovered in 2016, Proxima b is >1.3 earth masses and is orbiting at 7 million km from its red dwarf star. The duration of its revolution is 11 days and its rotation is synchronous (it shows always the same side to its star).

Discovered in 2016, Proxima b is >1.3 earth masses and is orbiting at 7 million km from its red dwarf star. The duration of its revolution is 11 days and its rotation is synchronous (it shows always the same side to its star). Alpha Centauri is a triple star system including a G2 star (A) of 1.09 Ms around which orbit a K1 star (B)of 0.9 Ms escorted by an exoplanet of 1.13 earth-mass at a distance of 6 million km only with a revolution in 3.24 days. Proxima Centauri, a red dward of M5 class and 0.1 Ms orbits at 13000 AU of star A.

Proxima b orbiting Proxima Centauri

Twilight on  Proxima b

Alpha Centauri Bb (but does not exist)

The first exoplanet ever discovered. A G2 star 1.4 Rs with 1 exoplanet of 0.5J at only 0.05 AU. So close to the sun it should display a faint tail against the dark sky due to the evaporation of its atmosphere.

The first exoplanet ever discovered. A G2 star 1.4 Rs with 1 exoplanet of 0.5J at only 0.05 AU.

G0 star with 1 exoplanet of 0.7J at 0.045 AU loosing its atmosphere due to the heat (1200°C).

51 Pegasi Evaporating

51 Pegasi

Osiris, HD 209458B Pegasi

It includes 7 exoplanets ! The system is located at 127 l.yw. in Hydra. The star is of solar type (G) and shines at visual magnitude 7.33.

GJ1214b is about 2.7 times Earth’s diameter and weighs almost seven times as much. It orbits a red-dwarf star every 38 hours at a distance of 2 million kilometres, giving it an estimated temperature of 230 degrees Celsius. It orbits in 38 hours at 2 million km around a red dwarf star of class M4.5 GJ1214b is about 2.7 times Earth’s diameter and weighs almost seven times as much. It orbits a red-dwarf star every 38 hours at a distance of 2 million kilometres, giving it an estimated temperature of 230 degrees Celsius. It orbits in 38 hours at 2 million km around a red dwarf star of class M4.5.

HD 10180

GJ 1214b "waterworld"

GJ 1214b "waterworld"

K2 dwarf star 0.8 Rs with 2 exoplanets: 0.9J at 3.3 AU, 0.1J at 40AU and an asteroid belt at 30 AU (KBO).

Epsilon Eridani

Gliese 581c

Discovered in 2012 by astronomers from CFHT and VLT, this rogue body was found in the AB Doradus moving group (ABDMG) at about 100 l.y. With a mass between 4-15 Mj and a surface temperature below 100°C, this body can be a rogue jovian-like exoplanet or more probably a very young and small dwarf brown star of T type (Tp < 900°C). Its atmosphere contains methane and water.

Gliese 581 system in Libra. It contains a red dwarf star around which orbit 3 exoplanets. Gliese 581c show surface temperature between -3°C and +40°C. Its mass is 5 M-earth, its radius 1.5 R-earth. This is the first earth-like exoplanet discovered in the habitable zone.

Rogue body CFBDSIR J214947.2

Upsilon Andromedae

HAT P-11b

G4 star with 3 exoplanets: 0.6J at 0.5 AU, 0.6J at 1.6 AU, 1.2J at 2.5 AU.

G3 star, 4 exoplanets: 14x Earth at 0.09 AU, 0.52J at 0.92 AU, 1.7J at 1.5 AU, 3.1J at 4.17 AU.

V391 Pegasi b

HD 37124 Tauri

Mu Arae

G 2.5 star 1.2 Rs with 1 exoplanet of 1.7J at 1.7 AU.

G star 1.3 Rs with 3 bodies : 1 exoplanet 1.15J at 0.004 AU and 1 stellar binary system (M and K star at 12 AU).

16 Cygni B

GJ 504b alias 59 Virginis b

Tatooine, HD 188753 Cygni

G0 star with 2 exoplanets: 2.5J at 2.1 AU, 0.8J at 3.7 AU, ring is optional.

47 Ursa Majoris

55 Cancri and its Asteroid Belt

Transits in Front of 55 Cancri

Kepler 22b

Kepler 22b

Kepler 22b

Pollux, alias HD 62509 is a KOIII star with 1 exoplanet of 2.9 J at 1.69 AU

First "small" and presumably rocky/icy exoplanet discovered, 5.5 earth masses orbiting at 3 AU of a M-class red dwarf of 0.2 Ms. This exoplanet could have had oceans billions years ago.

Pulsar with 4 exoplanets: 0.02x Earth at 0.1 AU, 4x Earth at 0.4 AU, 3 earth at 0.5 AU, 0.0004x Earth at 2.7 AU.

Pollux, b Geminorum

OGLE-2005-BLG-390Lb

PSR 1257+12 Virgo

Red dwarf star and a 17 J object at 200 AU (exoplanet or another red dwarf). The small moon displayed is speculative K2V star with 1 exoplanet 1.6 Mj at 2.UA. The host star, Errai, will be our "polar star" in the future. Binary pulsar associated with a white dwarf star of 0.34 Ms at 1 UA, 1 exoplanet 2.5J at 23 AU, system located in global cluster M4 at 7200 l.y.

CHXR 73B Cham

Errai (g Ceph) and Gamma Cephei B

Methulselah, PSR B1620-26 Sco

M2 red dwarf star 0.4 Rs, 2 exoplanets: 0.9J at 2 AU, 1.6J at 10 AU.

F7 V star 1.6 Rs with 1 exoplanet of 3.9J at 0.046 AU.

K2 star 11 Rs and 1 Ms with 1 exoplanet of 8.6J at 1.3 AU.

Lalande 21185 Ursa Majoris

Tau Bootii

Iota Draconis

K0 star 0.85 Rs, 1 exoplanet of 0.6J but as large as Jupiter at 0.04 AU.

M4 star, 3 exoplanets: 7x earth at 0.02 AU, 0.5J at 0.1 AU, 7J at 0.2 AU.

Star A5 with 1 exoplanet of 2J at 8 AU, an asteroid belt at 24 AU, a cometary disk  at 40 AU and maybe an exoplanet of 13J at 53 AU (not confirmed).

TrES-1 Lyrae

Gliese 876 Aquarii

Bêta Pictoris

Host star red dwarf, exoplanet of 2.6 J, star located at 19000 l.y in Sagittarius

Host star red dwarf, exoplanet of 2.6 J, star located at 19000 l.y in Sagittarius

OGLE-2003-BLG-235Lb in Sagittarius

Virtual Worlds

Rings of Saturn seen in perspective

Grazing light scattering through the rings surrounding a gazeous exoplanet.

Over Rings

A Gazeous Ringed Exoplanet

Shadow of Rings

Binary system

Planetary System

Born from Dust

Stellar Conjunction

City Lights

The Evening Comet

Waterworld

Blue World

Around the Nebula

On the Night Side

End of a World

Origins

Bioastronomy

 

SETI

 

Signs of Life

Quasar surrounded with a tilted accretion disk.

Desintegration

Space Trip

Quasar Space Station

Alien Twilight

Extraterrestrial Macroentity

Migration

Close Encounter

Radioastronomy

ETA in Insertion Orbit

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