tech e blog

To commemorate Earth Day, here are some mind-boggling photos taken from space by NASA and the internet famous Command Hadfield that show just how beautiful this planet really is. Earth Day is an annual event, celebrated on April 22, on which events are held worldwide to demonstrate support for environmental protection. It was first celebrated in 1970, and is now coordinated globally by the Earth Day Network, and celebrated in more than 192 countries each year. Continue reading for more.

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In this short video, recorded on a car's dash camera, a bright object can be seen streaking across the Russian city of Murmansk before breaking into pieces and disappearing. Witnesses in Russia's northern Murmansk region say that, unlike the previous meteor, there was no audible explosion when the bright object appeared at roughly 2.10pm local time. Continue reading for the video and more information.

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NASA's Kepler Space Telescope has been hunting exoplanets since its launch in 2009, with its ultimate goal being to find a planet that is essentially like ours in terms of size, composition, and habitability: an Earth-twin if you will. Today, Kepler has confirmed the discovery of an Earth-sized exoplanet in its star's habitable zone. Called Kepler-186f, it's about 10% larger than Earth and orbits an M dwarf star - half the size and mass of our sun - around 500 light-years away in the constellation Cygnus. It takes Kepler-186f approximately 130 Earth days to complete a revolution and on the outer edge of the star's habitable zone, the planet receives about a third of the radiation from its parent star as we do from ours. Continue reading for a video and more information.

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Believe it or not, astronomers have found an enormous void in space that measures nearly a billion light-years across. This void is empty of both normal matter - such as galaxies and stars - and the mysterious "dark matter" that cannot be seen directly with telescopes. One of the researchers said: "If you were to travel at the speed of light, it would take you several years to get to the nearest stars in our own Milky Way galaxy; but if you were to go to this hole and enter one side, you'd have to travel for a billion years before you would get to the other side." Continue reading for a video and more information.

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The International Space Station maintains an orbit with an altitude of between 330 km (205 mi) and 435 km (270 mi) by means of reboost manoeuvres using the engines of the Zvezda module or visiting spacecraft. It completes 15.50 orbits per day. The ISS crew provides opportunities for students on Earth by running student-developed experiments, making educational demonstrations, allowing for student participation in classroom versions of ISS experiments, and directly engaging students using radio, videolink and email. When the astronauts aren't working, they can be found photographing various things, such as these amazing volcanic eruptions. Click here to view the first image in this week's funny exam answers and funny school pictures gallery. Continue reading for a viral video of the real voice of Winnie the Pooh reading Darth Vader lines.

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Photo credit: NASA

According to researcher Scott Waring, "An artificial light source was seen this week in this NASA photo which shows light shining upward from...the ground. This could indicate there there is intelligent life below the ground and uses light as we do. This is not a glare from the sun, nor is it an artifact of the photo process." Click here to view the first image in today's viral picture gallery. Continue reading for a viral video of the best April Fools Day's classroom prank ever.

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Scientists have discovered a massive underground ocean of water on Saturn's moon, Enceladus. The Cassini spacecraft conducted gravity measurements that show the internal structure of the moon, including the ocean of water underneath the moon's icy crust. This makes Enceladus a potential home for extraterrestrial life within our solar system. Continue reading for a video and more information.

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Could this be a sign? The image above of the M87 galaxy shows a black hole-powered stream of electrons barreling into space, traveling near the speed of light. What this indicates is that there may be a super-massive black hole at the center of this galaxy, with this particular example believed to have "swallowed up" matter equal to 2-billion of our suns. Continue reading for more.

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Jupiter's bright yellow Io is currently the strangest moon in our Solar System right no, and this is how it would appear in the "true colors" perceptible to the average human eye - taken in 1999 July by the Galileo spacecraft that orbited Jupiter from 1995 to 2003. Io's colors derive from sulfur and molten silicate rock. The unusual surface of Io is kept very young by its system of active volcanoes. The intense tidal gravity of Jupiter stretches Io and damps wobbles caused by Jupiter's other Galilean moons. Continue reading for more.

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The Sun does not have enough mass to explode as a supernova. Instead it will exit the main sequence in approximately 5.4 billion years and start to turn into a red giant. It is calculated that the Sun will become sufficiently large to engulf the current orbits of the solar system's inner planets, possibly including Earth. Continue reading for a video and more information.

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