The Drake Equation (sometimes Known As: Green Bank Equation Or The Green Bank Formula)

Rosetta: Alarm to sound for comet mission

One of the most daring space missions ever undertaken reaches a key milestone on Monday.

Europe’s Rosetta probe was launched a decade ago on a long quest to chase down and land on a comet, and has spent the past two-and-half-years in hibernation to try to conserve power.

But at 10:00 GMT, an onboard “alarm clock” is expected to rouse the spacecraft from its slumber.

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Resembling our Moon, and with a similar atmosphere, Mercury has enough activity in its interior to generate a small magnetic field. Join guides Denton Ebel and Carter Emmart for an up-close examination of our solar system’s smallest planet. 

A close-up of an enhanced-color image of Jupiter’s clouds obtained by NASA’s Juno spacecraft.

NASA/SWRI/MSSS/Gerald Eichstädt/Seán Doran / New York Times                 

SpaceX Plans to Send 2 Tourists Around Moon in 2018

“While the trip appears to be within the technical capabilities of SpaceX, industry observers wondered whether the company could pull it off as quickly as Mr. Musk indicated. “Dates are not SpaceX’s strong suit,” said Mary Lynne Dittmar, executive director of the Coalition for Deep Space Exploration. The Dragon 2 and Falcon Heavy are years behind schedule and have yet to fly.“It strikes me as risky,” Dr. Dittmar said, adding that autonomous systems are not infallible. “I find it extraordinary that these sorts of announcements are being made when SpaceX has yet to get crew from the ground to low-Earth orbit.””

Comets may hold the secret to the origin of life on Earth

We’ve studied life on Earth extensively, but we still have no idea where it came from. Some scientists think it may have spontaneously arisen on Earth by some unknown process. Others think the ingredients for life were delivered here by comets crashing into Earth in the early days of the solar system. The latter theory just got a huge boost.

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SpaceX announced they are planning to send their Red Dragon capsule to Mars as soon as 2018

To send Red Dragon spacecraft to Mars, SpaceX is building a mega-rocket called Falcon Heavy. Based on the company’s successful Falcon 9, Falcon Heavy consists of three core rocket stages, each of which is equipped with landing legs for reusability. They would use the capsule’s thrusters to make a landing. 

This artist’s illustration shows how the capsule could enter Mars’ atmosphere. SpaceX has successfully returned their capsules to Earth during space station resupply missions for NASA.

The Dragon can carry seven astronauts to and from destinations like the International Space Station (not yet a manned mission to Mars I’d guess 😄). Here’s an illustration of the Dragon Version 1 (the new version has some differences), to get the idea:

credit: SpaceX, Karl Tate/Space.com

On April 21, 2014, the Hubble telescope captured what looks like a black hole in Jupiter’s Great Red Spot — but really, it’s the shadow of the Jovian moon Ganymede. (Source)

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April 12th 1961: Yuri Gagarin becomes the first man in space

On this day in 1961, the Russian cosmonaut Yuri Gagarin became the first human to travel into outer space. Gagarin, a fighter pilot, was the successful candidate for the mission, being selected by Russian space programme director Sergei Korolev. Russia already had a lead in the Space Race, having launched Sputnik 1 in 1957, which was the first satellite in space. On April 12th 1961, Gagarin left Earth aboard the Vostok 1 spacecraft, famously declaring ‘Poyekhali!’ (which means ‘Let’s go!’ in Russian). He spent 108 minutes completing an orbit of the planet. Upon re-entering the atmosphere, Gagarin executed a successful ejection and landed by parachute in rural Russia, to the consternation of locals. Yuri Gagarin became famous worldwide and a Russian hero, being awarded the nation’s highest honour - Hero of the Soviet Union. Gagarin died in 1968 when the training plane he was piloting crashed; his ashes were buried in the walls of the Kremlin.

“Don’t be afraid, I am a Soviet citizen like you, who has descended from space and I must find a telephone to call Moscow!” - Gagarin to some stunned farmers when he landed