NASA

Space-based quantification of per capita CO2 emissions from cities

Urban areas are currently responsible for ~70% of the global energy-related carbon dioxide (CO2) emissions, and rapid ongoing global urbanization is increasing the number and size of cities. Thus, understanding city-scale CO2 emissions and how they vary between cities with different urban densities is a critical task. While the relationship …

'Impossible' rocket drive works and could get to Moon in four hours

Interplanetary travel could be a step closer after scientists confirmed that an electromagnetic propulsion drive, which is fast enough to get to the Moon in four hours, actually works. The EM Drive was developed by the British inventor Roger Shawyer nearly 15 years ago but was ridiculed at the time …

Sea levels could rise by 10 feet in 50 years says ex-Nasa scientist

Retired Nasa scientist James Hansen who first rang the climate alarm bell in 1988, is now back with a study that points to major sea level rise in the next 50 years owing to speeding up of glacier melt. In what Hansen says is his most important paper on climate …

Nasa's SLS the world's most powerful rocket clears design review

A major design review of Nasa's Space Launch System (SLS) was completed last week clearing the stage for work on the world's most powerful rocket. When completed in 2018 it will launch astronauts in the Orion spacecraft on missions to an asteroid placed in the lunar orbit, and eventually to …

Nasa says scientists have found 'closest twin to Earth' outside solar system

Using four years’ worth of data from the Kepler space telescope, researchers announce the new exoplanet along with 12 possible ‘habitable’ others Scientists on the hunt for extraterrestrial life have discovered “the closest twin to Earth” outside the solar system, Nasa announced on Thursday. Working off four years’ worth of …

Vibrant Pluto stuns scientists

They are 5 billion kilometres from the Sun in the dim, far-flung outskirts of the Solar System, but Pluto and its large moon Charon turn out to be astonishingly vital worlds. Images from NASA’s New Horizons spacecraft, which flew within 12,500 kilometres of Pluto on 14 July, reveal frosty plains, …

Agree on biodiversity metrics to track from space

Ecologists and space agencies must forge a global monitoring strategy, say Andrew K. Skidmore, Nathalie Pettorelli and colleagues.

Prediction of Rapid Sea Level Rise Won’t Change Global Climate Talks

A bombshell climate study due out this week warns that sea levels may rise a catastrophic 10 feet (3 meters) by the end of this century, rather than the currently predicted 3 feet (.9 meters). But mainstream climate scientists say the report appears speculative and is not in sync with …

NASA Satellite Images Show China Building A Massive Solar Power Plant In The Middle Of The Gobi Desert

Satellite images captured by NASA show that China has tripled the size of its solar power plant in the Gobi Desert since 2012. It's another indication that China, pushed by the United Nations, is looking to become a global leader when it comes to solar power after decades of notorious …

How Rainwater Could Save Rupees

Rainwater could save people in India a bucket of money, according to a new study by scientists looking at NASA satellite data. The study, partially funded by NASA’s Precipitation Measurement Missions, found that collecting rainwater for vegetable irrigation could reduce water bills, increase caloric intake and even provide a second …

How Raindrops Could Save Rupees

Rainwater could save people in India a bucket of money, according to a new study by scientists looking at NASA satellite data Rainwater could save people in India a bucket of money, according to a new study by scientists looking at NASA satellite data. The study, partially funded by NASA’s …

Most of world's groundwater reserves depleted, Nasa satellite study finds

About one third of Earth's largest groundwater reserves are being rapidly depleted by human consumption, according to a new study led by the University of California, Irvine. This data was used data from Nasa's Gravity Recovery and Climate Experiment (GRACE) satellites. Another study found that little is known of how …

2015, breaking climate records

Global temperature data keep 2015 as hottest year to date NASA released its global temperature data for the month of May 2015. It was a scorching 0.71 degrees C (1.3degreesF) above the long-term average. It is also the hottest first five months of any year ever recorded. As we look …

Quantifying renewable groundwater stress with GRACE

Groundwater is an increasingly important water supply source globally. Understanding the amount of groundwater used versus the volume available is crucial to evaluate future water availability. We present a groundwater stress assessment to quantify the relationship between groundwater use and availability in the world's 37 largest aquifer systems. We quantify …

Uncertainty in global groundwater storage estimates in a total groundwater stress framework

Groundwater is a finite resource under continuous external pressures. Current unsustainable groundwater use threatens the resilience of aquifer systems and their ability to provide a long-term water source. Groundwater storage is considered to be a factor of groundwater resilience, although the extent to which resilience can be maintained has yet …

The Ozone hole is shrinking

New NASA satellite data confirms what other research has shown, namely that the hole in the ozone layer appears to be getting smaller. The ozone is crucial for us here on Earth because it shields us from some of the Sun’s most damaging radiation. In the 1980s it was confirmed …

NASA finds Antarctic ice shelf a few years from disintegration

The last intact section of one of Antarctica's mammoth ice shelves is weakening fast and will likely disintegrate completely in the next few years, contributing further to rising sea levels, according to a NASA study released on Thursday. The research focused on a remnant of the so-called Larsen B Ice …

NASA Technology Finds Nepal Survivors by Their Heartbeats

Emergency workers were able to identify four men who'd been trapped in Nepal's rubble—and then save them—thanks to a novel technology: advanced heartbeat detection. The recent rescues represent the first ever real-world use of advanced sensing technology developed by NASA and the Department of Homeland Security. Two prototype units of …

Odisha mulls new renewable energy policy

Rough assessments put state's gross renewable energy potential at 53,820 Mw To tap the opportunity in the non-conventional sources of energy, the Odisha government plans to come out with a new policy for development of the sector in the state. "Instead of formulating separate policies for different sources of renewable …

Launch vehicle recovery and reuse

This paper briefly reviews the history of Reusable Launch Vehicle development and recommended reuse techniques based on the lessons learned from those efforts. The paper considers a range of techniques for recovery and reuse of launch vehicles. Launch vehicle component cost and weight by major element are also discussed as …

SpaceX to attempt space station launch Monday

CAPE CANAVERAL, Fla. — Showers and clouds could pose a challenge Monday afternoon during SpaceX's attempt to launch its next International Space Station resupply mission from Cape Canaveral Air Force Station. There's a 60% chance of favorable weather for the instantaneous window at 4:33 p.m. at Launch Complex 40, according …

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