Super-Earth: The newfound haul of alien planets includes 16 super-Earths, which are potentially rocky worlds that are more massive than our planet. One in particular has captured astronomers’ attention because it orbits at the edge of its star’s habitable zone, suggesting conditions could be ripe to support life.
This artist rendering provided by The Europeans Southern Observatory shows the planet orbiting the Sun-like star HD 85512 in the southern constellation of Vela (The Sail). This planet is one of sixteen super-Earths discovered by the HARPS instrument on the 3.6-metre telescope at ESO’s La Silla Observatory. Artist rendering provided by The European Southern Observatory/AP
More than 50 new alien planets — including one so-called super-Earth that could potentially support life — have been discovered by an exoplanet-hunting telescope from the European Southern Observatory (ESO).
The newfound haul of alien planets includes 16 super-Earths, which are potentially rocky worlds that are more massive than our planet. One in particular - called HD 85512 b - has captured astronomers’ attention because it orbits at the edge of its star’s habitable zone, suggesting conditions could be ripe to support life.
The exoplanet findings came from observations from the High Accuracy Radial velocity Planet Searcher instrument, or HARPS. The HARPS spectrograph is part of ESO’s 11.8-foot (3.6-meter) telescope at the La Silla Observatory in Chile. [Illustration and video of alien planet HD 85512 b]
“The harvest of discoveries from HARPS has exceeded all expectations and includes an exceptionally rich population of super-Earths and Neptune-type planets hosted by stars very similar to our sun," HARPS team leader Michel Mayor of the University of Geneva in Switzerland said in a statement. "And even better — the new results show that the pace of discovery is accelerating."
The potentially habitable super-Earth, officially called HD 85512 b, is estimated to be only 3.6 times more massive than Earth, and its parent star is located about 35 light-years away, making it relatively nearby. HD 85512 b was found to orbit at the edge of its star’s habitable zone, which is a narrow region in which the distance is just right that liquid water could exist given the right conditions.
"This is the lowest-mass confirmed planet discovered by the radial velocity method that potentially lies in the habitable zone of its star, and the second low-mass planet discovered by HARPS inside the habitable zone,” said exoplanet habitability expert Lisa Kaltenegger, of the Max Planck Institute for Astronomy in Germany and Harvard Smithsonian Center for Astrophysics in Boston.
Further analysis of HD 85512 b and the other newfound exoplanets will be able to determine more about the potential existence of water on the surface.
"I think we’re in for an incredibly exciting time," Kaltenegger told reporters in a briefing today (Sept. 12). "We’re not just going out there to discover new continents — we’re actually going out there to discover brand new worlds."
The HARPS spectrograph is designed to detect tiny radial velocity signals induced by planets as small as Earth if they orbit close to their star.
Astronomers used HARPS to observe 376 sunlike stars. By studying the properties of all the alien planets detected by HARPS so far, researchers found that approximately 40 percent of stars similar to the sun is host to at least one planet that is less massive than the gas giant Saturn.
In other words, approximately 40 percent of sunlike stars have at least one low-mass planet orbiting around it. On the other hand, the majority of alien planets with a mass similar to Neptune appear to be in systems with multiple planets, researchers said.
Astronomers have previously discovered 564 confirmed alien planets, with roughly 1,200 additional candidate worlds under investigation based on data from the Kepler space observatory, according to NASA’s Jet Propulsion Laboratory in Pasadena, Calif.
60 Years of Research Links Gluten Grains to Schizophrenia 2015-03-31 1:05
Does the consumption of gluten-containing grains contribute to psychiatric disorders such as schizophrenia?
Believe it or not, this question has been asked for well over 60 years by researchers who stumbled upon evidence that the removal of gluten from the diet results in improved symptoms, or conversely, that gluten grain consumption leads to higher prevalence of both neurological and psychiatric problems.
A Sour Deception: Citric Acid Comes From GMO Black Mold, Not Fruit 2015-03-30 23:32
Just what is your food made of, anyway? Try industrial synthesis, genetically modified mold secretions, hydrochloric acid, mercury-contaminated caustic soda, ferrocyanideâ€¦ and, of course, lots of GMO corn.
If common ingredients like â€ścitric acidâ€ť and â€śascorbic acid (Vitamin C)â€ť sound normal and familiar enough that you practically conjure up an image of the flourishing orchard they were grown in â€“ then ...
Thousands of migrants dumped on Britain as French wriggle out of border promise 2015-03-30 19:56
Thousands of migrants could be dumped on Britainâ€™s doorstep if France tears up a historic border agreement, it was claimed last night.
Officials have vowed to do â€śeverything in their powerâ€ť to wriggle out of a treaty moving the UK border to Calais.
The besieged townâ€™s mayor Natacha Bouchart is prepared to spark a major diplomatic row by opening the frontier ...
Richard III laid to rest at Leicester Cathedral 2015-03-30 18:36
King Richard III was today laid to rest at Leicester Cathedral - more than 500 years after his death in battle.
The monarch, who reigned from 1483 to 1485, was the last of the Plantagenet dynasty.
Actor Benedict Cumberbatch read a poem by Carol Ann Duffy during the service. Also in attendance was Robert Lindsay, who played Richard III in a version ...
Sweden - A new paradise for Romani beggars 2015-03-30 17:33
Thanks to the European Union and freedom of movement that follows with membership Sweden has been flooded with gypsies from Eastern Europe.
Most member states have cracked down hard on the phenomenon of organized begging with legislation and forceful evictions so the Romani (colloquially known as Gypsies) who are engaged in this venture have moved their business to the country where ...