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Brown Dwarfs

The layout of the solar system is at least moderately atypical. There should be roughly four Earth masses worth of planets inside Mercury’s orbit. And Jupiter, with its large mass, its close-to-circular orbit, and its 10+ year period is an oddball at the 10% (and probably more impressive) level. At the start of the 1990s, […]

How science is accelerating our search for alien life

Why are scientists so optimistic? The Kepler space telescope gets much of the credit. Before it was launched into orbit in 2009, astronomers couldn't be sure whether planets existed outside our solar system. The search for extraterrestrial...Show More Summary

NASA's New View of Jupiter's Ocean Moon --Is Europa the Solar System's Best Bet for Life?

The puzzling, fascinating surface of Jupiter's icy moon Europa looms large in this newly-reprocessed color view, made from images taken by NASA's Galileo spacecraft in the late 1990s. This is the color view of Europa from Galileo that shows the...

New View of the Solar System’s Most Fascinating Moon

NASA's reprocessed picture of Jupiter's Europa gives us a fresh look at the likeliest place in the solar system for extraterrestrial life.

Eight Pitfalls in Evaluating Green Energy Solutions

Some citizens who are concerned about the long-term viability of the electric grid will no doubt want to purchase their own solar systems with inverters and back-up batteries. I won't discourage those who want to do this–the systems may prove to be of assistance. But I see no reason to subsidize these purchases. read more

Friday Energy Facts: Solar Photovoltaic Output Depends on Orientation, Tilt, and Tracking

Because PV panels are able to capture more solar energy when they are pointed directly at the sun, installers may configure systems to optimize output by adjusting the orientation and tilt of a system, or by using mechanisms that track the sun as it traverses the sky. read more

How to estimate the magnetic field of an exoplanet?

Scientists developed a new method which allows to estimate the magnetic field of a distant exoplanet, i.e., a planet, which is located outside the Solar system and orbits a different star. Moreover, they managed to estimate the value...Show More Summary

NASA's Voyage to Asteroid Bennu --"A Pristine Time Capsule of Our Origins" (VIDEO)

Born from the rubble of a violent collision, hurled through space for millions of years and dismembered by the gravity of planets, asteroid Bennu had a tough life in a rough neighborhood: the early solar system. "Bennu's Journey," a new...

Tracking Clouds for Smoother Solar Energy Delivery

  The Australian Renewable Energy Agency (ARENA) today announced $452,000 funding for Fulcrum3D to further develop an advanced cloud tracking system. ARENA

Relative sizes of the planets

3 days agoOdd :

This is a great way to think about how big the planets of our solar system are: in terms of fruits. (via boing boing) Tags: astronomy food science space

Stuff The Internet Says On Scalability For November 14th, 2014

Hey, it's HighScalability time: Spectacular rendering of the solar system to scale. (Roberto Ziche) 700: number of low-orbit satellites in a sidecar cheap internet; 130 terabytes: AdRoll ad data processed daily; 15 billion: daily Weather...Show More Summary

Belfast Ecovillage Completes Largest Community-Initiated Solar Purchase in Maine

Now, 22 of the 36 ecovillage homes have solar systems. At least two of these homes are net-zero -- meaning the systems generate as much energy as the homes use over the course of the year for heat, hot water, cooking, lighting and plug loads.

Home Sensors & Automated Smart Systems At Solar Decathlon

The students from West Virginia University designed and built PEAK, a very cool net-zero energy log cabin for the Solar Decathlon 2013, you may remember my story: Have You Ever Wanted To Live In A Net-Zero Log Cabin? (VIDEO). While visiting their competition home, I noticed that the team members were wearing wrist bands and I Continue reading ?

Bangladesh Installed 3 Million+ New Residential Solar Systems Since May

The country of Bangladesh has installed over 3 million new residential solar energy systems since May, with support coming from the World Bank and other various agencies, according to recent reports. To be exact, the number is 3.1 million...Show More Summary


We write this after learning that Philae, the plucky explorer our species sent to meet asteroid 67P/ Churyumov-Gerasimenko as it hurls at 340,000 miles per hour through the solar system, has gone to sleep. We aren’t surprised. One could be forgiven for feeling a little dozy after travelling 4bn miles in space, and in a […]

Survivor Library

In 1859, a solar storm threw an electromagnetic pulse at Earth so strong, it fried the telegraph system. A whole lot more is on the line now. Bob speaks with Rocky Rawlins of the Survivor Library about his preparations for getting zapped back to a time before computers and an electric grid.

Dust in the Solar Wind

3 days agoOdd : Snopes

Will a planet-dissolving dust cloud wipe out our solar system in December 2014?

Rosetta: What happens next?

Planetary scientist involved in early stages of mission says early data could provide information on formation of the solar system.

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