Quantcast
 
No “Planet X” Found in WISE Data

No “Planet X” Found in WISE Data

By Sean Patterson March 7, 2014

For decades before Pluto, Eris, and other distant objects in our solar system were discovered, astronomers had posited that there must be another planet beyond Neptune that would make observed orbital calculations for Neptune and Uranus add up. This planet …

Hubble Spots Cloudy Atmospheres on Two Exoplanets Hubble Spots Cloudy Atmospheres on Two Exoplanets

On the eve of a new year, astronomers have just revealed that two nearby exoplanets are covered in an atmosphere thick with clouds. Two new papers, both to be published in the journal Nature, examine the planets GJ 436b and …

Hot, Earth-Sized Exoplanet Found by Astronomers Hot, Earth-Sized Exoplanet Found by Astronomers

· 2 Comments

Astronomers this week revealed that the mass of exoplanet Kepler 78b has been determined. The planet, located 400 light-year away in orbit around the star Kepler 78, has a mass of around 1.7 times that of Earth. The planet also …

Clouds Mapped on Jupiter-Like Exoplanet Clouds Mapped on Jupiter-Like Exoplanet

Though much of the agency is preparing to shut down, NASA this week announced that astronomers have mapped the clouds of a planet outside our own solar system. Using the Kepler and Spitzer space telescopes, astronomers have created a cloud …

Kepler Space Telescope Broken, NASA Gives Up Kepler Space Telescope Broken, NASA Gives Up

Sometimes the best physicists, engineers, and mathematicians in the world can’t save a failing satellite. NASA announced today that it has given up attempts to restore the malfunctioning Kepler Space Telescope. One of the Kepler’s four reaction wheels failed back …

Smallest Planet Yet Spotted Around Sun-Like Star Smallest Planet Yet Spotted Around Sun-Like Star

· 1 Comment

Astronomers this week announced they have directly imaged the smallest planet yet found around a sun-like star. The planet, GJ 504b, is about four times the mass of Jupiter. It orbits its star at around 43 times the distance from …

Hubble Telescope Spots a Blue Planet Hubble Telescope Spots a Blue Planet

Astronomers have been finding and cataloging exoplanets for years now, but NASA this week announced that the Hubble Space Telescope has helped determined the color of a planet orbiting a star 63 light-years from our solar system. The planet, HD …

3 Planets Found in the Habitable Zone of Nearby Star 3 Planets Found in the Habitable Zone of Nearby Star

The European Southern Observatory (ESO) this week announced it has found six planets in the Gliese 667C system, and that three of those planets are located within the system’s habitable zone. The habitable zone of a system is the area …

Giant Planet Formation May Have Been Spotted Giant Planet Formation May Have Been Spotted

· 1 Comment

Astronomers have found what could be the first-ever sighting of a planet forming while still in the midst of a dust cloud surrounding a star. The object, which orbits the star HD 100546, is only 335 light-years from Earth and …

NASA's Kepler Finds Planets Smaller Than Earth
· 3

Over the past year, NASA’s Kepler mission has found hundreds of possible planets outside of our solar system, and even a few candidates for Earth-like planets. This week, astronomers revealed that a new system has been found that contains planets …

Earth-Sized Planets May be Close by, Shows Study
· 1

Astronomers this week published a new study that estimates six percent of red dwarf stars may have Earth-sized planets orbiting within their “habitable zone” – the area around a star in which liquid water can exist on the surface of …

Rogue Planet Orbit Spotted by NASA’s Hubble
· 1

New images of the Fomalhaut star system could show evidence of a “titanic planetary disruption.” Astronomers have found that the debris belt in the system is wider than was thought, and that a “rogue” planet has a precarious orbit that …

461 New Potential Planets Found by NASA's Kepler

Astronomers last week announced that they estimate there to be 100 billion planets throughout the Milky Way Galaxy. This week, Astronomers announced 461 new candidates for extra-solar planets have been discovered. NASA‘s Kepler mission has been discovering exoplanets for years …

100 Billion Planets Populate the Milky Way Galaxy

For years now, NASA‘s Kepler mission has been confirming the existence of planets outside our solar system. Now, a new review of Kepler data suggests that there are billions upon billions of planets just in the Milky Way galaxy. “There …

Giant Planet Formation Revealed in New Observations
· 2

Astronomers have spotted a system that could reveal a key stage in the formation of giant planets. For the first time, images of vast gas streams flowing across a gap in the accretion disc of a young star have been …

Cassini to Track Venus Transit, Study Exoplanets

NASA announced today that it will begin using the Cassini probe’s visual and infrared mapping spectrometer (VIMS) for uses other than studying Saturn and its moons. On Friday, from its vantage point in orbit around Saturn, the VIMS will be …

New “Super-Jupiter” Directly Imaged by Astronomers
· 1

Astronomers have directly imaged a “super-Jupiter” planet orbiting around the star Kappa Andromedae. According to NASA, Kappa Andromedae now holds the record for the most massive star to host a directly imaged planet or lightweight brown dwarf companion. The planet, …