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Protoplanets and Exoplanets


Fomalhaut dust ring

ALMA Reveals Workings of Nearby Planetary System

Posted on April 12, 2012April 5, 2017

A new observatory still under construction has given astronomers a major breakthrough in understanding a nearby planetary system that can provide valuable clues about how such systems form and evolve.

Protoplanets and Exoplanets
Artist impression of star formation

Planets Orbiting Star in Opposite Directions

Posted on February 13, 2006April 5, 2017

Astronomers studying a disk of material circling a still-forming star inside our Galaxy have found a tantalizing result — the inner part of the disk is orbiting the protostar in the opposite direction from the outer part of the disk.

Death and Birth of StarsProtoplanets and Exoplanets
Graphic depicting water masers in protoplanetary disk

Smallest Solar System-like Disk Yet Found

Posted on October 23, 1998April 4, 2017

The smallest protoplanetary disk ever seen rotating around a young star has been detected by an international team of astronomers using the National Science Foundation’s Very Large Array radio telescope.

Protoplanets and Exoplanets
Protoplanetary disks in L1551

Potential Planetary System Around Close Stellar Pair

Posted on September 23, 1998April 4, 2017

Planets apparently can form in many more binary-star systems than previously thought, according to astronomers who used the National Science Foundation’s Very Large Array radio telescope to image protoplanetary disks around a close pair of stars.

Protoplanets and Exoplanets
12-meter telescope

Extrasolar Planet Hunt with Millimeter-wave Telescopes

Posted on January 17, 1996April 4, 2017

Do nearby stars have planetary systems like our own? How do such systems evolve? How common are such systems? Proposed radio observatories operating at millimeter wavelengths could start answering these questions within the next 6-10 years, according to scientists at the National Radio Astronomy Observatory.

Protoplanets and ExoplanetsRadio Telescopes

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