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Secrets of Space

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These Streaks on Mars Could be Flowing Sand, not Water

When robotic missions first began to land on the surface of Mars in the 1970s, they revealed a harsh, cold and desiccated landscape. This effectively put an end generations of speculation about “Martian canals” and the possibility of life on Mars. But as our efforts to explore the Red Planet have continued, scientists have found ample evidence that the planet once had flowing water on its surface.

Could Magnetic Sails Slow an Interstellar Spacecraft Enough?

The number of confirmed extra-solar planets has increased by leaps and bounds in recent years. With every new discovery, the question of when we might be able to explore these planets directly naturally arises. There have been several suggestions so far, ranging from laser-sail driven nanocraft that would travel to Alpha Centauri in just 20 years ( Breakthrough Starshot ) to slower-moving microcraft equipped with a gene laboratories ( The Genesis Project )

Carnival of Space #536

This week’s Carnival of Space is hosted by Brian Wang at his  Next Big Future blog. Click here to read Carnival of Space #536 And if you’re interested in looking back, here’s an  archive to all the past Carnivals of Space . If you’ve got a space-related blog, you should really join the carnival

Messier 60 – the NGC 4649 Galaxy

Welcome back to Messier Monday! Today, we continue in our tribute to our dear friend, Tammy Plotner, by looking at the elliptical galaxy known as Messier 60. In the 18th century, while searching the night sky for comets, French astronomer Charles Messier kept noting the presence of fixed, diffuse objects he initially mistook for comets. In time, he would come to compile a list of approximately 100 of these objects, hoping to prevent other astronomers from making the same mistake.

Clandestine Zuma SpySat’s SpaceX Liftoff Postponed Indefinitely to Resolve Payload Fairing Issue

SpaceX Falcon 9 rocket blastoff of clandestine Zuma spysat to low earth orbit for a classified US government customer is postponed indefinitely from Launch Complex 39A at the Kennedy Space Center, FL, from last targeted launch date of 17 Nov 2017. Credit: Ken Kremer/Kenkremer.com KENNEDY SPACE CENTER, FL – Liftoff of the clandestine spy satellite codenamed ‘Zuma’ on a SpaceX Falcon 9 rocket has been postponed indefinitely to resolve a lingering issue with the testing of a payload fairing for another customer. SpaceX announced today, Friday, Nov 17, that they will ‘stand down’ to allow engineers the additional time needed to carefully scrutinize all the pertinent data before proceeding with the top secret Zuma launch.

When James Webb Finally Reaches Space, Here’s What it’ll be Hunting

Ever since the project was first conceived, scientists have been eagerly awaiting the day that the James Webb Space Telescope (JWST) will take to space. As the planned successor to Hubble , the JWST will use its powerful infrared imaging capabilities to study some of the most distant objects in the Universe (such as the formation of the first galaxies) and study extra-solar planets around nearby stars

Antarctica has a Huge Mantle Plume Beneath it, Which Might Explain Why its Ice Sheet is so Unstable

Beneath the Antarctic ice sheet, there lies a continent that is covered by rivers and lakes, the largest of which is the size of Lake Erie. Over the course of a regular year, the ice sheet melts and refreezes, causing the lakes and rivers to periodically fill and drain rapidly from the melt water. This process makes it easier for Antarctica’s frozen surface to slide around, and to rise and fall in some places by as much as 6 meters (20 feet).

NASA’s Next-Generation Spaceplane Passes Free Flight Test

It’s called the Dream Chaser , a reusable spaceplane that will one day transport cargo and crews to the International Space Station . For the past ten years, the Sierra Nevada Corporation and NASA have been developing and testing this next-generation space vehicle. When it is ready, this vehicle will not only provide a more cost-effective way of servicing the ISS, it will also help restore domestic launch capability to the United States.

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