Exoplanet
Videos
An exoplanet or extrasolar planet is a planet outside the Solar System. The first confirmed detection of an exoplanet was in 1992 around a pulsar, and the first detection around a main-sequence star w
Comparison of the size of exoplanets orbiting Kepler-37 to Mercury, Mars and Earth
Exoplanet HIP 65426b is the first discovered planet around star HIP 65426.
Coronagraphic image of AB Pictoris showing a companion (bottom left), which is either a brown dwarf or a massive planet. The data were obtained on 16 March 2003 with NACO on the VLT, using a 1.4 arcsec occulting mask on top of AB Pictoris.
The three known planets of the star HR 8799, as imaged by the Hale Telescope. The light from the central star was blanked out by a vector vortex coronagraph.
HR 8799
Videos
HR 8799 is a roughly 42 million-year-old main-sequence star located 133.3 light-years away from Earth in the constellation of Pegasus. It has roughly 1.4 times the Sun's mass and 5 times its luminosit
Exoplanet
…Four exoplanets of the HR 8799 system imaged by the W. M. Keck Observatory over the course of seven years. Motion is interpolated from annual observations. Comparison of the size of…
Spectrum of HR 8799 and planet c, obtained with the NACO adaptive optics instrument on ESO's Very Large Telescope. Credit: ESO/M. Janson.