Sentences with phrase «in circular orbit around»

A team of astronomers has found a Jupiter - size planet in a circular orbit around a faint nearby star, raising intriguing prospects of finding a solar system with characteristics similar to our own.

Not exact matches

Also known as a perigean full moon or perigee syzygy, a supermoon happens when the moon is full at its closest point in its not - quite - circular orbit around Earth.

HD 80606 b In our solar system, every planet except Mercury revolves around the sun in a nearly perfect circular orbiIn our solar system, every planet except Mercury revolves around the sun in a nearly perfect circular orbiin a nearly perfect circular orbit.

Earth follows the curved shape of the warped space around the sun, which is why it moves in a circular orbit; this description has been experimentally verified to high precision.

Almost all the stars in the Milky Way's disk were thought to orbit in orderly, nearly circular paths around the galaxy's core, but now astronomers find that many of the sun's neighbors have strayed from this course.

Although the earth's orbit around the Sun is almost circular, most comets travel in orbits that are highly elongated ellipses.

Based on the Gemini spectra of the center of NGC 1600, most stars inside the sphere of influence of the black hole — a region about 3,000 light - years in radius — are traveling on circular orbits around the black hole, with very few moving radially inward or outward.

The cycle between an elliptical and circular orbit and a change in the tilt of Earth's axis combined to create periods in which our planet did not tilt very much as it revolved around the sun, thereby eliminating seasons and resulting in less climatic variability.

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 Chile.

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 Chile.

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, 2009).

There is evidence that Earth has gone through at least one globally frozen, «snowball» state in the last billion years, which i... ▽ More Although the Earth's orbit is never far from circular, terrestrial planets around other stars might experience substantial changes in eccentricity that could lead to climate changes, including possible «phase transitions» such as the snowball transition (or its opposite).

Currently designated 2004 XR190 (or XR 190) but nicknamed «Buffy,» the object takes about 440 years to move around the Sun at an average distance (semi-major axis) of 57.4 AUs in a relatively circular orbit (e = 0.11) that is inclined about 46.7 ° to the ecliptic.

Planet c may have a minimum mass around 54 + / - 0.7 percent of the mass of Jupiter with a semi-major axis of 3.6 + / -0.1 AUs and a roughly circular orbit (0.10 +0.5 / -0.1) that takes more than 6.5 years (2,391 +100 / -87 days) to complete (Gregory and Fischer, 2010; and Fischer et al, 2001 — in pdf).

It moves around Star A at an average distance of less than 0.05 AUs (a semi-major axis well within Mercury's orbital distance) in a near circular orbit (e = 0.23 + / - 0.015) that takes 3.312 days to complete.

According to the Ninth Catalogue of Spectroscopic Binary Orbits (for HD 210027), Stars A and B move around each other at an average distance of only 0.051 AUs (semi-major axis a = 0.00407 + / - 0.27») in a highly circular (e ~ 0) orbit that takes just 10.2 days to complete.

The planet is comparable to Saturn in mass and size, and is on a nearly circular 229 - day orbit around its two p... ▽ More We report the detection of a planet whose orbit surrounds a pair of low - mass stars.

Moreover, the brown dwarf companion to 15 Sge may eventually prove to have a highly circular orbit that is coplanar with the circumstellar disk so that planets formed in inner orbits around the star.

The planet is comparable to Saturn in mass and size, and is on a nearly circular 229 - day orbit around its two parent stars.

It revolves around GJ 1214 at an average distance of 0.014 AU, in a roughly circular orbit (e < 0.27) which it completes in 1.6 days (38 hours), and so the planet must have a very hot equilibrium temperature — updated in 2011 to around 555 kelvin, 539 ° Fahrenheit, or 282 ° Celsius (Desert et al, 2011, page 6).

Initial observations suggest the new moons have circular orbits around Pluto in the same plane as Charon.

Gravity, primarily from unseen dark matter, can hold the ring in a nearly circular orbit around the host galaxy.