Science News

Newly discovered alien planet has three Suns in its sky

A recently found exoplanet using Kilodegree Extremely Little Telescope (KELT) has three Suns in its sky. Though scientists know a number of planets with two Suns, the case of a planet with three bright stars in its sky is uncommon.

The newly discovered far away world, called KELT-4Ab, orbits a single star, and that star in turn is orbited by a close pair of stars.

A new study has revealed that the twin stars are sufficiently close to the planet to look as bright as the sky’s full moon is.

Besides coming up as an example of a solar system quite distinct from our planet, the odd arrangement could shed some light over the evolution of gas giants present close to their parent star, called ‘hot Jupiters’.

Newly Found Viking Site in Canada Has Potential to Rewrite History

With the use of satellite imagery, archaeologists claim to have identified a site at Point Rosee in Newfoundland, Canada, that could probably be the first new Viking site discovered in North America in the past over five decades.

Archaeologists believe the newly discovered site has the potential to rewrite history, particularly the portion before the time of Christopher Columbus when Europeans explored North America.

Prior to this, it was in the 1960s that the only other Viking site in North America was found at L’Anse Aux Meadows on the northern tip of Newfoundland, about 300 miles from Point Rosee.

Ancient Arachnid Fossil may unveil Origin of Spiders

Ancient Arachnid Fossil may unveil Origin of Spiders

Researchers carefully examined a preserved fossil of an ‘almost spider’ to learn about the origin of spiders. The 305-million-year-old fossil was in Muséum National d'Histoire Naturelle in Paris. It was unearthed in the 1980s by a fossil hunter, Daniel Sotty, in the rock of Montceau-les-Mines.

Researchers were unable to analyze the fossil previously because a large part of it was buried in that ancient rock. Only the abdomen part of the fossil was visible.

Now, researchers have used modern technology to view the buried part of the fossil. They used high-resolution CT Scans and developed a three-dimensional model that demonstrates different traits of arachnid.

Here’s How China’s Falling Carbon Emissions can Pressurize Other Nations to Meet Their Goals

Here’s How China’s Falling Carbon Emissions can Pressurize Other Nations to Meet

Until now, China has been the leading emitter of harmful greenhouse gases in the world, and emissions of CO2 in the country have been rising year after year. More than a year ago, US negotiators asked the government of China to pledge to curb greenhouse gas emissions in the country within a deadline.

Under an agreement, the US government also announced to reverse the growth of dangerous gases that cause global warming. China also pledged to limit the greenhouse gas emissions by 2030. The deadline is far off, but capital Beijing’s concession is a big step in efforts to effectively manage climate change, as per environmentalists.

Scientists may have just snapped photos of alien Earth

Scientists may have just snapped photos of alien Earth

Scientists likely have captured pictures of an alien Earth at an early stage. The latest photographs, captured by the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile, have revealed that the planet-forming disk surrounding a close by sun like star known as TW Hydrae has a gap at nearly the same distance from the star as that of between Earth and the sun.
In a statement, study lead author Sean Andrews, of the Harvard-Smithsonian Center for Astrophysics (CfA), said that earlier studies using optical and radio telescopes have confirmed that the star has a well known disk with features that clearly indicate that the planets could soon start forming.

Scientists reconstruct colors of an ancient snake while it was alive

Scientists reconstruct colors of an ancient snake while it was alive

Using a sophisticated scanning technology, scientists have found what might have been the colors of the skin of an ancient snake, discovered in a colorless fossil. Preserved as a fossil, the 10-million-year-old snake doesn’t have a head. It would have been green colored along with black or brown blotches, and pale on inside.

The study, which appeared on March 31 in the journal Current Biology, reported that the description is similar to some of the present day snakes that belong to the same family.

NASA’s Mars Rover Opportunity to climb Most Extreme Slope it ever encountered

NASA’s Mars Rover Opportunity to climb Most Extreme Slope it ever encountered

NASA’s Mars rover Opportunity has been exploring the Red Planet for more than a decade. Like a champion, it tackled all the difficulties that it faced during its journey on the planet. But now, the rover has got stuck on a hill. NASA officials and scientists in the project have made a bold decision to make the rover climb the hill.

As per NASA report, the rover got stuck when it was exploring the slopes of ‘Marathon Valley’. The region is in Meridiani Planum of Mars. NASA’s Jet Propulsion Laboratory announced that the Opportunity rover will attempt to climb the slope. It will be the most extreme slope the rover has faced in its more than a decade mission on the Red Planet.

ESA’s Rosetta clicks Striking Picture of Comet 67P

ESA’s Rosetta clicks Striking Picture of Comet 67P

This week, Rosetta spacecraft of the European Space Agency (ESA) clicked an exquisite picture of comet 67P/Churyumov-Gerasimenko. The probe snapped the picture when the comet was perfectly backlit by the sun.

While providing details on the recently clicked image, officials at ESA said that the spacecraft captured the image when it was a few hundred kilometers downstream of the vapor and dust pushed off by the Jupiter-family comet. According to the space agency, the duck-shaped object is on a course to move out of the solar system, but it’s still active.

Satellite Imagery hints at Second Viking site in North America

Satellite Imagery hints at Second Viking site in North America

To date, archaeological site L’Anse aux Meadows is the only Viking site in the Western Hemisphere. Now, archaeologists have discovered the second Viking site with the help of satellite imagery. They believe the discovery may unravel more about the history of Vikings.

As per historians, Vikings travelled many miles to enter North America about a thousand years ago. Discovery of the new site in North America may allow researchers to rewrite understandings about Vikings, who are famous for their fearsome conquests.

The newly unearthed site is on the southwest coast of the large Canadian island of Newfoundland, as per the archaeologists. They used infrared photos to reveal the site. The images were captured from over 400 miles up in the sky, said the archaeologists.

Ames Office of Education and Public Outreach invites space enthusiasts to view televised SpaceX Launch

Ames Office of Education and Public Outreach invites space enthusiasts to view

A public event will be hosted by the Ames Office of Education and Public Outreach to watch the televised launch of the eighth SpaceX mission to resupply the International Space Station (ISS) on April 8, 2016.

Public has been invited to take part in the event and to get information about Ames’ research launching on the mission from the US space agency engineers and scientists. The event will be held in Ames’ Conference Center, Building 3, in the time period between 11 am to 2:15 pm.

White-nose syndrome confirmed in little brown bat found in Washington

White-nose syndrome confirmed in little brown bat found in Washington

A little brown bat discovered near North Bend, Washington has been confirmed to have White-nose syndrome (WNS). The case has come as the first recorded happening of this shocking bat disease in western North America. The US Geological Survey’s National Wildlife Health Center has verified the presence of this disease.

In other affected areas, WNS has spread at a quite fast pace in bats, killing over six million useful insect-eating bats in North America since it was documented for the first time roughly 10 years back. WNS isn’t known to be dangerous for humans, pets, livestock or other wildlife.

Accurate prediction of rising sea levels is actually double than that of most recent estimates, scientists suggest

Accurate prediction of rising sea levels is actually double than that of most

A lot of scientists have come forward to contribute to the expanding body of research predicting rising sea levels in the coming time. When it come to studies on climate change, it is possible to encounter set of statistics that could oppose another.

Such is the case of the findings of two US climate scientists, who suggested that the actual prediction of rising sea levels is in reality double as compared to the most recent estimates.

Moreover, the two researchers have said that earlier climate models have underestimated the likely sea level rise in the next century, and the Antarctic ice sheet meltdown. According to them, the accurate estimates may indicate disaster for low-lying cities.

President Obama and Chinese Premier to sign Paris Agreement on climate change on April 22

President Obama and Chinese Premier to sign Paris Agreement on climate change on

Media reports have confirmed that President Obama and Premier Xi Jinping of China will sign the Paris Agreement on climate change on April 22. The United Nations accord will be open for the first time for government signatures on that day.

The announcement has come as a statement of joint resolve by the two biggest greenhouse gas emitters in the world, though it is doubtful that whether the United States will be able to meet its obligations mentioned in the agreement.

Scientists find fossil of an ancient arachnid dating back 305 million years

Scientists find fossil of an ancient arachnid dating back 305 million years

Modern zoologists still haven’t totally understood the cladistics and evolution of modern arachnids. But, now they have reached a step closer with the discovery of a fossil that has been named as ‘the almost spider’ by some senior research team members.

It is the fossil of an ancient arachnid dating back to 305 million years. They share a number of similarities with the present day spiders, but are behind in one main feature: spinnerets. With the help of spinnerets, the spider turns their silk into webs, and dubbed as Idmonarachne brasieri, the ancient arachnid doesn’t have them. The name given to it is after the Greek myth Idmon, who was the father of Arach.

JAXA captures signals from Hitomi, but the probe apparently has broken up into pieces

JAXA captures signals from Hitomi, but the probe apparently has broken up into

The Japanese space agency JAXA succeeded in capturing signals from lost X-ray satellite Hitomi, but unfortunately, the probe has apparently disintegrated into five pieces. US mission team had noticed space debris in the orbit of Hitomi.

On Saturday, JAXA lost contact with Hitomi, or ASTRO-H, when the satellite was to kick-off operations. Since then, the agency has been able to receive two signals from the space probe. First signal was received on Monday at around 8 am, and the other one on Tuesday at 10.30 am.

But, JAXA has no idea until now about what happened to the satellite or whether it can be recovered or not.

Orbital ATK has a contract with NASA to fly unmanned cargo missions to ISS

Orbital ATK has a contract with NASA to fly unmanned cargo missions to ISS

Orbital ATK is among the two private companies that presently hold a contract with the US space agency NASA for flying unmanned cargo missions to the International Space Station (ISS). The formation of the company took place with a merger of Orbital Sciences Corp. and Alliant Techsystems (ATK).

Specialized in launching tiny satellites, Orbital Sciences was best known for the Cygnus cargo spacecraft launch to the ISS, and ATK gained prominence by making solid rocket boosters for the space shuttles. Since the merger in February 2015, Orbital ATK has been working on defense systems, flight systems and space systems.

First Exoplanet Temperature Map Generated By NASA

First Exoplanet Temperature Map Generated By NASA

The National Aeronautics and Space Administration (NASA) used its Spitzer Space Telescope for creating a precision temperature (exo-) map of a nearby ‘super-Earth’ exoplanet, known as 55 Cancri e. This is the first of its kind graphical representation for the heat data available for such an exoplanet, which is located at a distance of 40 light years from Earth and is situated in the constellation of Cancer.

Study: Hobbit Species vanished Thousands of Years Earlier Than Previously Believed

Study: Hobbit Species vanished Thousands of Years Earlier Than Previously Believ

Extinct species Homo floresiensis discovered in Indonesia more than a decade ago vanished much earlier than previously estimated, suggests a new study. The study also stated that modern humans could be behind the extinction of this mysterious and diminutive species.

In 2003, researchers first discovered the signs of the primate in a cave in Flores, an island in Indonesia. After examining the species’ bones, they found that the species, dubbed ‘The Hobbit’ by the researchers, became extinct about 12,000 years ago. But now, the study stated that the Homo floresiensis had gone 50,000 years ago.

New Alarming Study predicts Antarctic Ice will Melt Faster than Previous Predictions

New Alarming Study predicts Antarctic Ice will Melt Faster than Previous Predict

World seas might see drastic rise in near future if we fail to curb global warming at its present rate. Many climate scientists have already predicted the sea-level rise by 2100, but a new study has suggested that the rise could be at double the rate of previous estimates.

The study by two climate scientists- Robert DeConto of the University of Massachusetts Amherst and David Pollard from the Pennsylvania State University- stated that previous ice-sheet-climate models have not understood the Antarctic ice sheet’s melting completely. These models have ‘under-appreciated’ the melting and its impact on sea level, added the study.

The research has been published Wednesday in the journal Nature.

Dwarf planet Pluto harbored Nitrogen Lakes Billions of Years Ago

Dwarf planet Pluto harbored Nitrogen Lakes Billions of Years Ago

Astronomers investigating data and images beamed back by NASA's New Horizons spacecraft have found that dwarf planet Pluto once have had flowing lakes of nitrogen. The team concluded the new findings after studying details of body of nitrogen on the dwarf planet seen in a new picture.

New Horizons team announced that Pluto may once have harbored lakes of nitrogen, not water, billions of years ago when its surface conditions were different from today. The distant world’s thicker atmosphere raised the temperature and created an environment where liquid nitrogen flowed on the surface, the team added.




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