Could Jupiter have formed at 0.5 AU from the Sun?

Even stranger things can happen: Hot Jupiters. Simulations suggest that Jupiter formed about 0.5 AU farther from the Sun, and migrated inward, while Saturn formed perhaps 1 AU closer to the Sun and migrated outward. During these migrations, the two gas giants would have moved through a critical 2:1 orbital resonance.

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Consequently, how does the sun affect Jupiter?

The sun is about 1,000 times more massive than Jupiter, and these two bodies affect one another proportionally according to distance and mass, so the amount Jupiter's gravity pulls on the sun is one-thousandth the amount the sun's gravity pulls on Jupiter.

Likewise, how are hot Jupiters formed? In the migration hypothesis, a hot Jupiter forms beyond the frost line, from rock, ice, and gases via the core accretion method of planetary formation. The planet then migrates inwards to the star where it eventually forms a stable orbit. The planet may have migrated inward smoothly via type II orbital migration.

In this manner, what is the distance of Jupiter from the sun in AU?

An astronomical unit, or AU, is the average distance from the Sun to the Earth – 150 million km. Jupiter's average distance from the Sun is 5.2 AU. Its closest point is 4.95 AU, and its most distant point is 5.46 AU. We have written many articles about Jupiter for Universe Today.

Why are only rocky planets able to form close to the sun?

With a larger mass, the outer planets attracted material quicker and the process was self-perpetuating. As far as our understanding of planetary formation goes, rocky planets tended to form closer to the Sun because the materials they're made of -- silicates and heavier gases -- 'fall' inwards towards the Sun.

Related Question Answers

Is Jupiter a failed star?

"Jupiter is called a failed star because it is made of the same elements (hydrogen and helium) as is the Sun, but it is not massive enough to have the internal pressure and temperature necessary to cause hydrogen to fuse to helium, the energy source that powers the sun and most other stars.

Is Saturn a failed Sun?

Gas giants are sometimes known as failed stars because they contain the same basic elements as a star. Jupiter and Saturn are the gas giants of the Solar System.

Is Jupiter hot or cold?

The temperature in the clouds of Jupiter is about minus 145 degrees Celsius (minus 234 degrees Fahrenheit). The temperature near the planet's center is much, much hotter. The core temperature may be about 24,000 degrees Celsius (43,000 degrees Fahrenheit). That's hotter than the surface of the sun!

Is Jupiter solid at all?

Because there is no solid ground, the surface of Jupiter is defined as the point where the atmospheric pressure is equal to that of Earth. At this point, the pull of gravity is almost two and a half times stronger than it is on our planet.

Does Saturn support life?

In May 2011, NASA scientists reported that Enceladus "is emerging as the most habitable spot beyond Earth in the Solar System for life as we know it". Cassini photographs have revealed a previously undiscovered planetary ring, outside the brighter main rings of Saturn and inside the G and E rings.

What is Sun orbiting around?

Yes, the Sun - in fact, our whole solar system - orbits around the center of the Milky Way Galaxy. We are moving at an average velocity of 828,000 km/hr. But even at that high rate, it still takes us about 230 million years to make one complete orbit around the Milky Way! The Milky Way is a spiral galaxy.

How large is Jupiter?

61.42 billion km²

How did Jupiter get so big?

69,911 km

What is the distance between the Sun and Venus in AU?

The true average distance from the Sun to Venus is about 108,000,000 km (67,000,000 miles) or 0.7 AU. Its size on this scale is about 0.15 mm. On to Earth, sitting pretty on the 2-yard line. It is slightly larger than Venus at about 0.16 mm.

Where is Jupiter located?

RA 19h 29m 24s | Dec -21° 51′ 54″

What time is Jupiter hour?

Option 2: A Table
Planet Day Length
Earth 24 hours
Mars 25 hours
Jupiter 10 hours
Saturn 11 hours

How far is Mercury from the Sun in AU?

From an average distance of 36 million miles (58 million kilometers), Mercury is 0.4 astronomical units away from the Sun.

What is the temperature on Pluto?

All planets have temperature changes related to their seasons; some changes are more extreme than others. At its warmest, when it is closest to the sun, Pluto can reach temperatures of minus 369 degrees Fahrenheit (minus 223 degrees Celsius). At its coolest, temperatures can fall to minus 387 degrees F (minus 233 C).

Why is it difficult to form a hot Jupiter close to the star?

A gas giant can't form that close to their star, because the gravity, radiation, and intense stellar winds ought to keep the gas from clumping together. However, they do exist; of the over 4,000 confirmed exoplanets discovered to date, up to 337 could be hot Jupiters.

How does the Doppler method work?

The Doppler technique is a good method for discovering exoplanets. It uses the Doppler effect to analyze the motion and properties of the star and planet. This means that the star and the planet gravitationally attract one another, causing them to orbit around a point of mass central to both bodies.

What makes a habitable zone?

In astronomy and astrobiology, the circumstellar habitable zone (CHZ), or simply the habitable zone, is the range of orbits around a star within which a planetary surface can support liquid water given sufficient atmospheric pressure.

What happens to Brown Dwarfs?

Brown dwarfs are objects which are too large to be called planets and too small to be stars. Brown dwarfs are thought to form in the same way that stars do - from a collapsing cloud of gas and dust. However, as the cloud collapses, it does not form an object which is dense enough at its core to trigger nuclear fusion.

How does the radial velocity method work?

The radial velocity method, also known as Doppler spectroscopy, is the most effective method for locating extrasolar planets with existing technology. The radial velocity method relies on the fact that a star does not remain completely stationary when it is orbited by a planet.

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