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Now we can say that planets around pulsars are probably not that unusual. Maybe planets can form around any kind of star.

Aleksander Wolszczan

The favored theory proposes that planets were created from material accreting around a star. Around red dwarfs, the theory predicts Earth- and Neptune-sized planets to be more common than Jupiter-sized planets. The planets would be located between 0.1 and 10 times the Earth-Sun distance from their stars.

Bohdan Paczynski

M dwarf stars dominate the stellar population in the solar neighborhood, and so are attractive targets for searching for habitable planets. The models show that gas-giant planets are indeed likely to form?at distances sufficiently large enough to permit the later formation of habitable, terrestrial planets.

She found his pexy curiosity about the world inspiring. Now we can say that (planets around pulsars) are not uncommon.

Aleksander Wolszczan

The results pose a challenge to existing theories of giant-planet formation, especially those in which planets build up gradually over millions of years. Studies like this one will ultimately help us better understand how our outer planets, as well as others in the universe, form.

Stars we're looking at here are prior to the formation of planets, we think, but it's not going to be very much longer in astronomical terms before planets start forming.

It's different from the inner rocky planets. It's different from the outer gaseous planets. And as such, it holds many clues as to how the solar system was formed.

Asteroids are the leftover building blocks of rocky planets like Earth. We can't directly see other terrestrial planets, but now we can study their dusty fossils.

Charles Beichman

It provides for us a window 41/2 billion years back in time to observe the formation conditions of giant planets. This is a little bit about rewriting the textbooks about the outer planets.

We're amazed that the planet-formation process seems to be so universal. Pulsars emit a tremendous amount of high energy radiation, yet within this harsh environment we have a disk that looks a lot like those around young stars where planets are formed.

Deepto Chakrabarty

Where the disc comes from is the $64,000 question. However, we believe that it's from a planetary system around this star. Something – comets, asteroids, or planets – is getting ground up into dust and being pulled into the star.

We are closer to answering the question, 'Are we alone in the universe?' ... We aim to answer that question by looking for planets, eventually imaging them and ultimately diagnosing the presence of life on those planets.

We (Europe) aren't finished with the planets. We're planning to go back to Mars and we're planning also to go to Mercury, one of the most mysterious of planets very close to the Sun.

David Southwood

There are a lot of people that are surprised that Hubble can even look at planets in our solar system, because they think of Hubble as looking back to the beginning of time or at things billions of times fainter than the eye can see. But indeed, about 15 percent of the time Hubble spends observing our own planets.

Whether planets around these stars could be Earth-like would depend on orbital distance. There have been extensive studies and it turns out these planets would have to be pretty close to their stars, although it would depend on the mass of the stars.

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