Sentences with phrase «radius of»

We also did an attempt to estimate the radius of possible planets around Proxima using the reflected light.

The radius of the event horizon is called the Schwarzschild radius, after the German astronomer Karl Schwarzschild, who in 1916 predicted the existence of collapsed stellar bodies that emit no radiation.

The emission fits a model with a grain temperature of 40 K, indicating a minimum orbital radius of 60 AU from the host star.

They measured how much time each dog or wolf spent within a 1 - meter radius of a human, as well as how hard the animal worked to solve a puzzle box.

The inner planet, Kepler - 69b, has a radius of 2.24 + / -0.4 Rearth and orbits the host star every 13.7 days.

A transition from rocky to gaseous planets with a planetary transition radius of ~ 1.6 REarth has recently been proposed by several publications in the literature (Rogers 2015; Weiss & Marcy 2014).

The mechanical properties of flexible MCA based OSCs and PSCs was highly flexible with 98 % retention from initial PCE at both 0 o and oblique incident angle 60 o after 2000 bending cycles at radius of 2 mm.

Thanks to ALMA's capabilities, analysis of the gas in the disk revealed its motion to be Keplerian and to have a radius of roughly 5 times the radius of Neptune's orbit, but with a central protostar mass of only 0.2 times our Sun's mass.

Our emergency helicopter flies within a 200 - mile radius of Chicago, connecting community hospitals with the many tertiary care facilities and medical resources of this region.

Mars has a radius of about 2,107 miles (3,390 kilometers), which is about half the size of our planet.

The comparatively large radius of K2 - 95b is consistent with the other recently discovered cluster planets K2 - 25b (Hyades) and K2 - 33b (Upper Scorpius), indicating systematic differences in their evolutionary states or formation.

Based on 86 radial velocity observations obtained with the HARPS - N spectrograph on the Telescopio Nazionale Galileo and 32 archival Keck / HIRES observations, we present a prec... ▽ More Kepler - 93b is a 1.478 + / - 0.019 Earth radius planet with a 4.7 day period around a bright (V = 10.2), astroseismically - characterized host star with a mass of 0.911 + / -0.033 solar masses and a radius of 0.919 + / -0.011 solar radii.

The planet has a mass of 1.18 + / -0.11 Mjup, a radius of 1.57 + / -0.04 Rjup, and a density of 0.377 + / -0.040 g / cm ^ 3, making it one of the most inflated planets known around a hot star.

This produces a steady increase in the luminosity and radius of the star over time.

Abstract: Kepler - 93b is a 1.478 + / - 0.019 Earth radius planet with a 4.7 day period around a bright (V = 10.2), astroseismically - characterized host star with a mass of 0.911 + / -0.033 solar masses and a radius of 0.919 + / -0.011 solar radii.

M77 is known to have an active galactic nucleus (AGN) at its center which is surrounded by a starburst ring with a radius of 3500 light years.

On the other hand, stars Aa and Ab have are separated by only 3.76 solar radii, which is about 14.9 times the radius of CM Draconis Aa (Claud H. Lacy, 1977), and have a mutual orbital period of just under 1.27 days (Deeg et al, 1998; Metcalfe et al, 1996; and Claud H. Lacy, 1977).

The radius of the Earth's orbit (called the astronomical unit) is well known.

A parsec is the distance of an object with a parallax of one arc - second (that is a 60th of a 60th of a degree) when using the radius of the Earth's orbit as a baseline.

However the big - bang theory claims that all matter in the universe came from a primordial «egg» one hundred billion times smaller than a proton.7 With a radius of almost zero, that «egg's» angular momentum would be almost zero — even if its surface had been spinning at the maximum possible speed — the speed of light.

Rhett Allain of Wired magazine calculated that Elysium had a radius of approximately 34 km (about 21 miles) and was spinning at about 0.17 rad / s, or 1.6 rpm (http://www.wired.com/wiredscience/2013/05/gravity-in-the-elysium-space-station/).

The specifics to how Haumea dimmed the light of that distant star would be perfectly explained by a semi-transparent ring with a width of 70 kilometers (around 43 miles) and a radius of 2,287 kilometers (1,421 miles).

KELT report a G2 star with an effective temperature of 5770 ± 50 K, a surface gravity (log g) of 4.39 ± 0.05, and a mass and radius of 1.09 ± 0.05 and 1.10 ± 0.08 in solar units, whereas WASP report a G3 star with effective temperature of 5700 ± 150 K, a surface gravity of 4.5 ± 0.2, and a mass and radius of 1.05 ± 0.08 and 1.11 ± 0.05.

It lies in the compact galaxy NGC 1277, but has an event horizon five times the radius of our solar system!

The disk is nearly edge - on and has a radius of about 60 astronomical units (au), or 60 times the average Earth - Sun distance.

Factors affecting that difference apart from those already mentioned are: the different angular distance from a target within which EBs become diluted and cause a false positive; here Brown uses a radius of 20 whereas for CoRoT, diluted EBs found by the photometric follow - up infer a radius of about 17 (Deeg et al. 2009).

For an object so big, these flashes are extremely short, implying a radiating surface about the same as a sphere with orbital radius of Jupiter.

To do this, start by cutting a 3 - inch piece of string to serve as the radius of the circle.

They restricted their data to any event that occurred within a radius of 500 km from central England.

A unique feature of SHRIMP is its7 - tonne magnet with a turning radius of one metre; other machines use magnets weighing only a few kilograms, with a turning radius of about 30 centimetres.

Quantization results in the discrete character of physical properties at small scales, which could be the radius of an atomic orbit or the resistance of a molecular wire.

«The potential for a larger eruption is imminent,» it said, referring to a visible glow of magma at Mount Agung's peak overnight, and warning residents to evacuate a danger zone at a radius of 8 - 10 km (5 - 6 miles).

«One of them is 0.9 times the radius of the Earth, and four of them are less than two Earth radii.»

The ratio indicates that smaller, micrometer - sized, dust particles dominate and larger dust particles are absent in the most prominent gap with a radius of 22 astronomical units.

The method has a radius of convergence that is larger than that of conventional restrained least - squares refinement.

The perplexing thing about this atom: the radius of the orbit, on which the electron moves around the nucleus, is much larger than the typical distance between two atoms in the condensate.

The analysis of the spatial genetic structure of the Parkia population revealed a significant genetic relationship of the plant embryos and young trees within a radius of 300 meters, which coincides with the distance within which most seeds are dispersed by the tamarins.

«We're not the biggest brain bank in the world, but we have the highest - quality tissue,» says pathologist Thomas Beach, the program director, who notes that donors must live within a 50 - mile radius of the morgue.

For mature trees, the relationship was reduced to a radius of only up to 100 meters.

The planet is extremely close to its star — its orbital radius is only about three times the radius of the star — and the scientists have estimated that its surface temperatures may be as high as 3,000 degrees Kelvin, or more than 5,000 degrees Fahrenheit.

These rays produce a secondary rainbow, also centered on the antisolar point, having an angular radius of 51 degrees; the secondary rainbow therefore appears outside of the primary bow.

The acoustic transceiver's transmitter feature tracked the tagged sharks» movements throughout the year, eliminating gaps in the researchers» detection record, while the receiver component detected and recorded other animals carrying transmitters, such as Atlantic sturgeon, that came within a 1,000 - foot radius of the tagged sharks.

Measurements will start close to the sun's surface and extend out to around 5.6 million kilometers, or eight times the radius of the sun.

On the other hand, the distribution of sulfur monoxide molecules (SO) is found to be localized in a ring structure located at the radius of the centrifugal barrier (100 AU).

In the plane - and - sphere analogy, this situation would correspond to comparing two observers on the sphere separated by a distance comparable to the sphere's radius of curvature.

The asteroid is thousands of times more massive, with a radius of up to 240 metres.

When a bird tucked its head onto its pillowy back and shut its eyes, the center of pressure made smaller adjustments (within a radius of 3.2 millimeters on average, compared with 5.1 millimeters when active).

Precise measurements of the motion of the gas using the Doppler shift in the spectral lines of the gas components revealed that 100 AU corresponds to the radius of the centrifugal barrier.

All our mail, of course, was censored and we were not supposed to travel out of our rather restricted radius of about 75 miles — and most of us couldn't anyway because we had no means of locomotion.

Such stars could swell to 100 to 1,000 times the radius of the sun.