Sentences with phrase «orbit around the planet on»

They eliminated those with orbital radii less than one tenth that of Earth's, because at that distance moon systems might not remain in stable orbits around their planets on billion - year timescales.

If conditions are favorable, the probe will shoot into orbit around the planet on Sept. 22, 2014.

Not exact matches

Now, to find out how the glaciers formed in the first place, scientists created models that simulated atmospheric circulation on the dwarf planet for the last 50,000 years (a mere 200 orbits around the sun for Pluto).

Scientists currently can't use much of the information collected by geostationary satellites, which sit above a particular location on Earth, and polar - orbiting satellites, which swing around the planet's poles.

This artist's impression is based on a detailed map of the surface compiled from images taken from NASA's Dawn spacecraft in orbit around the dwarf planet Ceres.

On July 4, the Juno Spacecraft successfully entered orbit around Jupiter — a planet scientists still know very little about, which generates extreme levels of radiation.

The planets would loop around Fomalhaut on eccentric paths and confine small particles to remote orbits.

Based on the numbers of such planets that astronomers have found in tight orbits around stars nearer to our sun, Gilliland's colleagues expected to see 15 or 20 planets in 47 Tucanae.

On August 16, the union's seven - member Planet Definition Committee released a draft Planet Definition Resolution, which stated that round objects in orbit around the sun are planets.

Unlike Saturn's bright rings, which are made almost entirely of ice particles, Mars's rocky ring will be dark and largely invisible from Earth, although the cloud of orbiting Phobos bits will at first be dense enough to cast a shadow on the Red Planet's surface during some parts of the planet's orbit around the sun, the researcherPlanet's surface during some parts of the planet's orbit around the sun, the researcherplanet's orbit around the sun, the researchers say.

On the face of it, detecting a moon around a planet orbiting a distant star seems like a spectacularly difficult task, but with a bit of luck today's technology may be able to do it.

We are just a species of ape living on a smallish planet orbiting an unremarkable star in one galaxy among billions in a universe that had been around for 13.8 billion years without us.

The crew would take advantage of the planets» fortuitously close orbits at that time to take a 501 - day journey around Mars and back home, without landing on the Red Planet's surface.

Simulations indicate that, given Rhea's size and distant orbit around Saturn, this moon could potentially hang on to a ring for millions of years or more before the planet's pull overcomes Rhea's hold.

The spacecraft's ion engines will bring it to a capture orbit around this 590 mile diameter dwarf planet on March 6th, 2015 — at a distance some 2.5 times further from the Sun than the Earth.

The best information on the planet is expected to come after 18 March 2011, when Messenger enters orbit around Mercury, where it will operate for at least a year.

The latest observations add yet another head - scratcher: giant gas planets that circle their stars on wildly tilted orbits or go around the wrong way altogether.

Runyon and his co-authors argue for a definition of «planet» that focuses on the intrinsic qualities of the body itself, rather than external factors such as its orbit or other objects around it.

Five of the six spacecraft now reconnoitering Mars loop around the planet in a polar or near - polar orbit, which limits them to viewing any point on Mars just twice each martian day.

On March 6, Dawn will enter into orbit around Ceres to capture detailed images and measure variations in light reflected from Ceres, which should reveal the planet's surface composition.

NASA's Magellan spacecraft successfully began a crucial manoeuvre to shift its orbit around Venus on 26 May by skipping across the uppermost layer of the planet's atmosphere.

In view of these circumstances, which should be common to and deducible by all the civilizations in our galaxy, it seems to us quite possible that one - way radio messages are being beamed at the earth at this moment by radio transmitters on planets in orbit around other stars.

I'm confident that we'll detect signs of life on exoplanets (planets around other stars) by observing the atmospheres of the planets that we're detecting now — especially those similar to Earth in mass and orbit — and finding oxygen and other chemical signatures there.

The approach has proved a brilliant success, putting three NASA spacecraft into orbit around Mars and three rovers on the planet's surface (Pathfinder, Spirit and Opportunity).

Borucki says it will be a few years yet before Kepler is able to identify a true Earth analogue — a small planet on a one - Earth - year orbit around a sunlike star.

In fact, the five innermost worlds around Kepler 11 are so close together that gravitational interactions among them produce measurable perturbing effects on their individual orbits, allowing the researchers to make estimates of each planet's mass.

After a six - and - a-half-year journey, Cassini entered orbit around Saturn on 1 July 2004 — and immediately encountered the planet's signature feature, its rings.

Habitable Earth - size planets might turn up sooner around smaller, cooler stars in Kepler's field of view, where water could persist on closer - orbiting planets that would complete laps around their host stars more quickly.

On February 25, 2008, a team of astronomers released a paper on simulation results which support the conclusions of previous studies that multiple - planet systems could have formed in close orbits around both heavy - element rich, Alpha Centauri A and On February 25, 2008, a team of astronomers released a paper on simulation results which support the conclusions of previous studies that multiple - planet systems could have formed in close orbits around both heavy - element rich, Alpha Centauri A and on simulation results which support the conclusions of previous studies that multiple - planet systems could have formed in close orbits around both heavy - element rich, Alpha Centauri A and B.

Although the initial display shows the system's actual orbital tilt (at an inclination of 79.2 °) from the visual perspective of an observer on Earth, the orbital inclination of any planet that may be discovered someday around either star would likely be different from those of the habitable zone orbits shown here.

Found via radial velocity variations, the planet's true mass could not be known with knowing whether its orbit around Star B is being viewed edge - on, face - on, or somewhere in between.

On October 16, 2012, a team of astronomers announced the discovery of a planet with around 1.13 + / - 0.09 Earth - masses in a very hot and tight, circular orbit around Alpha Centauri B, using the European Southern Observatory's the High Accuracy Radial velocity Planet Searcher (HARPS) instrument on the 3.6 - metre telescope at ESO's La Silla Observatory in ChilOn October 16, 2012, a team of astronomers announced the discovery of a planet with around 1.13 + / - 0.09 Earth - masses in a very hot and tight, circular orbit around Alpha Centauri B, using the European Southern Observatory's the High Accuracy Radial velocity Planet Searcher (HARPS) instrument on the 3.6 - metre telescope at ESO's La Silla Observatory in planet with around 1.13 + / - 0.09 Earth - masses in a very hot and tight, circular orbit around Alpha Centauri B, using the European Southern Observatory's the High Accuracy Radial velocity Planet Searcher (HARPS) instrument on the 3.6 - metre telescope at ESO's La Silla Observatory in Planet Searcher (HARPS) instrument on the 3.6 - metre telescope at ESO's La Silla Observatory in Chilon the 3.6 - metre telescope at ESO's La Silla Observatory in Chile.

Here's a look at how Cassini's Grand Finale orbits around Saturn will squeeze even more science out of the long - lived mission ahead of the probe's fiery plunge into the ringed planet on Sept. 15, 2017.

In one case, an Earth - sized planet could orbit in the habitable zone (capable of having liquid water on their planetary surface) around two stars close together.

NASA Probe Marks 13 Years at Saturn: Cassini arrived in orbit around the ringed planet on June 30, 2004, after a nearly seven - year journey through deep space.

On October 16, 2012, a team of astronomers announced the discovery of a planet with around 1.13 + / - 0.09 Earth - masses in a very hot and tight, circular orbit around Alpha Centauri B, using the European Southern Observatory's High Accuracy Radial velocity Planet Searcher (HARPS) instrument on the 3.6 - metre telescope at ESO's La Silla Observatory in ChilOn October 16, 2012, a team of astronomers announced the discovery of a planet with around 1.13 + / - 0.09 Earth - masses in a very hot and tight, circular orbit around Alpha Centauri B, using the European Southern Observatory's High Accuracy Radial velocity Planet Searcher (HARPS) instrument on the 3.6 - metre telescope at ESO's La Silla Observatory in planet with around 1.13 + / - 0.09 Earth - masses in a very hot and tight, circular orbit around Alpha Centauri B, using the European Southern Observatory's High Accuracy Radial velocity Planet Searcher (HARPS) instrument on the 3.6 - metre telescope at ESO's La Silla Observatory in Planet Searcher (HARPS) instrument on the 3.6 - metre telescope at ESO's La Silla Observatory in Chilon the 3.6 - metre telescope at ESO's La Silla Observatory in Chile.

On March 25, 2015, a team of astronomers using the Hubble Space Telescope revealed observations which indicate via the transit method that Alpha Centauri B may have a second planet «c» in a hot inner orbit, just outside planet candidate «b.» After observing Alpha Centauri B in 2013 and 2014 for a total of 40 hours, the team failed to detect any transits involving planet b (previously detected using the radial velocity variations method and recently determined not to be observed edge - on in a transit orbit around Star BOn March 25, 2015, a team of astronomers using the Hubble Space Telescope revealed observations which indicate via the transit method that Alpha Centauri B may have a second planet «c» in a hot inner orbit, just outside planet candidate «b.» After observing Alpha Centauri B in 2013 and 2014 for a total of 40 hours, the team failed to detect any transits involving planet b (previously detected using the radial velocity variations method and recently determined not to be observed edge - on in a transit orbit around Star Bon in a transit orbit around Star B).

Mars Observer, launched in 1992, was just three days from its planned orbit insertion around the Red Planet when NASA lost contact with it on Aug. 21, 1993.

Calculations by to Weigert and Holman (1997) indicated that the distance from the star where an Earth - type planet would be «comfortable» with liquid water is centered around 1.25 AUs (1.2 to 1.3 AUs)-- about midway between the orbits of the Earth and Mars in the Solar System — with an orbital period of 1.34 years using calculations based on Hart (1979).

Over the next several weeks, Dawn will deliver increasingly better and better images of the dwarf planet, leading up to the spacecraft's capture into orbit around Ceres on March 6.

It is also the only telescope and instrument in the world — in space or on Earth — that is capable of measuring reflected light from planets orbiting around other stars.

-- If the central star of a planetary system burns out, there will be no further evolution of life on the planets that have orbits around it.

Planets «b, c, and d» - On December 14, 2009, a team of astronomers (Steven S. Vogt; Robert A. Wittenmyer, R. Paul Butler, Simon O'Toole, Gregory W. Henry, Eugenio J. Rivera, Stefano Meschiari, Gregory Laughlin, C. G. Tinney, Hugh R. A. Jones, Jeremy Bailey, Brad D. Carter, and Konstantin Batygin) announced the discovery of one innermost orbiting super-Earth and two outer - orbiting, Neptune - class planets (with at least 5.1, 18.2, and 24.0 Earth - masses, respectively) in moderately circular, inner orbits around 61 Virginis with periods of 4.2, 38.0, and 124.0 days, based on radial - velocity observations over 4.6 years with the Keck Observatory's High Resolution Echelle Spectrometer (HIRES) and the Anglo - Australian Telescope (U.C. Santa Cruz news release; AAO press release; Keck press release; the Lick - Carnegie Exoplanet Survey Team's «Systemic Console;» and Vogt et al,Planets «b, c, and d» - On December 14, 2009, a team of astronomers (Steven S. Vogt; Robert A. Wittenmyer, R. Paul Butler, Simon O'Toole, Gregory W. Henry, Eugenio J. Rivera, Stefano Meschiari, Gregory Laughlin, C. G. Tinney, Hugh R. A. Jones, Jeremy Bailey, Brad D. Carter, and Konstantin Batygin) announced the discovery of one innermost orbiting super-Earth and two outer - orbiting, Neptune - class planets (with at least 5.1, 18.2, and 24.0 Earth - masses, respectively) in moderately circular, inner orbits around 61 Virginis with periods of 4.2, 38.0, and 124.0 days, based on radial - velocity observations over 4.6 years with the Keck Observatory's High Resolution Echelle Spectrometer (HIRES) and the Anglo - Australian Telescope (U.C. Santa Cruz news release; AAO press release; Keck press release; the Lick - Carnegie Exoplanet Survey Team's «Systemic Console;» and Vogt et al, 2009On December 14, 2009, a team of astronomers (Steven S. Vogt; Robert A. Wittenmyer, R. Paul Butler, Simon O'Toole, Gregory W. Henry, Eugenio J. Rivera, Stefano Meschiari, Gregory Laughlin, C. G. Tinney, Hugh R. A. Jones, Jeremy Bailey, Brad D. Carter, and Konstantin Batygin) announced the discovery of one innermost orbiting super-Earth and two outer - orbiting, Neptune - class planets (with at least 5.1, 18.2, and 24.0 Earth - masses, respectively) in moderately circular, inner orbits around 61 Virginis with periods of 4.2, 38.0, and 124.0 days, based on radial - velocity observations over 4.6 years with the Keck Observatory's High Resolution Echelle Spectrometer (HIRES) and the Anglo - Australian Telescope (U.C. Santa Cruz news release; AAO press release; Keck press release; the Lick - Carnegie Exoplanet Survey Team's «Systemic Console;» and Vogt et al,planets (with at least 5.1, 18.2, and 24.0 Earth - masses, respectively) in moderately circular, inner orbits around 61 Virginis with periods of 4.2, 38.0, and 124.0 days, based on radial - velocity observations over 4.6 years with the Keck Observatory's High Resolution Echelle Spectrometer (HIRES) and the Anglo - Australian Telescope (U.C. Santa Cruz news release; AAO press release; Keck press release; the Lick - Carnegie Exoplanet Survey Team's «Systemic Console;» and Vogt et al, 2009on radial - velocity observations over 4.6 years with the Keck Observatory's High Resolution Echelle Spectrometer (HIRES) and the Anglo - Australian Telescope (U.C. Santa Cruz news release; AAO press release; Keck press release; the Lick - Carnegie Exoplanet Survey Team's «Systemic Console;» and Vogt et al, 2009).

The current and next - generation space - based transit surveys, K2 and the Transiting Exoplanet Survey Satellite (TESS), are focused on finding large planets on short orbits (less than 75 days) around the brightest stars in the sky.

On September 20, 1996, astronomers at the European Southern Observatory announced that they had detected possible indications of a giant planet around Zeta2 with around 27 percent of Jupiter's mass, moving in a close inner orbit (0.14 AUs) with a period of 18.9 days.

Such planets could orbit Alpha Centauri A or Alpha Centauri B individually, or be on large orbits around the binary Alpha Centauri AB.

On June 16, 2008, a team of astronomers announced at the 2008 Extra Solar Super-Earths Workshop in France their discovery of a «super-Earth» class planet in a tight orbit around this star with with two other gas planets in outer orbits (ESO press release and Bouchy et al, 2009 — more details below).

On October 19, the European Space Agency (ESA) and Roscosmos, the Russian Space Agency, celebrated as their joint satellite ExoMars with its Trace Gas Explorer (TGO) slid into orbit around the red planet.

On June 16, 2008, a team of astronomers announced at the 2008 Extra Solar Super-Earths Workshop in France their discovery of one «super-Earth» type planet in a tight orbit around this star with two other gas giant planets in outer orbits (ESO press release and Bouchy et al, 2009).

NASA's Cassini spacecraft will enter new territory in its final mission phase, the Grand Finale, as it prepares to embark on a set of ultra-close passes through Saturn's upper atmosphere with its final five orbits around the planet.