Science


‘Christmas comet’ - the year’s brightest - to pass by Earth this weekend ‘Christmas comet’ - the year’s brightest - to pass by Earth this weekend
- December 18, 2018

And as scientists reported, you will able to see the comet without a telescope. He added: "We have not had a comet this well placed and bright for many years". nearly ghostly". Check TimeandDate .com to figure out the best time in your part of the world. The Virtual Telescope Project will stream the comet's passing. (more...)
Virgin Galactic's SpaceShipTwo Aiming for the Edge of Space Virgin Galactic's SpaceShipTwo Aiming for the Edge of Space
- December 18, 2018

Virgin Galactic will be launching the fourth powered test flight of its VSS Unity suborbital spaceplane today and, if all goes well, the two pilots on board will be experiencing weightlessness and will observe some unforgettable scenery. (more...)
Virgin Galactic tourist space rocket passes first test Virgin Galactic tourist space rocket passes first test
- December 17, 2018

Virgin Galactic's SpaceShipTwo, VSS Unity, flew higher than it ever has before on Thursday, surpassing what the US Air Force considers the boundary of space, and marking the first manned flight to space from US soil since 2011. He called yesterday "a momentous day and I could not be more proud of our teams who together have opened a new chapter of space exploration". We've had tears, real tears, and moments of joy. (more...)
Geminid meteor shower: Where, when and how to see it Geminid meteor shower: Where, when and how to see it
- December 15, 2018

Every year, Earth passes through a cloud of debris from an asteroid named 3200 Phaethon . When the atmosphere hits them, the dust particles briefly energize and switch from what astronomers call meteoroids into meteors . NASA astronomer Bill Cooke told USA Today that the Geminids used to peak at just 30 meteors per hour, but Jupiter's gravity has brought the shower closer to our planet, increasing the rate of shooting stars. (more...)
NASA’s InSight Lander Just Took Its First Selfie On Mars NASA’s InSight Lander Just Took Its First Selfie On Mars
- December 14, 2018

November 26 it landed on Mars , where it will remain forever after the mission. Mission team members have also received their first complete look at InSight's "workspace" - the approximately 14-by-7-foot (4-by-2-meter) crescent of terrain directly in front of the spacecraft. (more...)
How to Watch the Shooting Stars Online How to Watch the Shooting Stars Online
- December 14, 2018

But nowadays, almost 120 meteors can be seen across the sky at the peak. Find a dark location away from artificial light with a view of as much of the sky as possible; websites like Dark Sky Finder can help you find good spots. "But astronomers have determined that the source for the Geminids is this weird object 3200 Phaethon , which seems to have characteristics of both an asteroid and a dead (mostly dust-less) comet". (more...)
Russian cosmonauts take sample of mystery hole at space station Russian cosmonauts take sample of mystery hole at space station
- December 14, 2018

Crew members used tape to cover the hole and experts speculated that it could have been caused by the impact of a high-speed rocky fragment flying through space. So far astronauts have only been able to examine the hole from inside the spacecraft. That section of the capsule will be jettisoned as usual before re-entry, and so poses no risk for descent. (more...)
Virgin Galactic sends rocketplane to the edge of space Virgin Galactic sends rocketplane to the edge of space
- December 13, 2018

Then at 43,000 feet - more than 8 miles high - its pilots commanded the plane's release and switched on VSS Unity's rocket engine to drive the vehicle directly upward at supersonic speeds. The test demonstrates significant progress toward the start of commercial flights that were promised more than a decade ago. More than 600 people have paid or put down deposits to fly aboard Virgin's suborbital missions, including actor Leonardo DiCaprio and pop star Justin Bieber. (more...)
Geminid meteor shower: How and when to watch Geminid meteor shower: How and when to watch
- December 13, 2018

This is the Geminid meteor shower , so named because the meteors appear to come from a radiant in the constellation Gemini. "I've often said they resemble "celestial field mice" as they scurry across the sky, producing good numbers of bright, graceful, yellowish-white meteors and fireballs ", wrote Joe Rao of Space.com. (more...)
Brightest comet of 2018 was discovered by Wisconsin astronomer Brightest comet of 2018 was discovered by Wisconsin astronomer
- December 13, 2018

At this distance, it will be a mere 7.1 million miles away from Earth, which is close is astronomical terms. There is a zero per cent chance of the comet hitting Earth, according to astronomers at the University of Maryland, though it could remain visible in the night sky for several weeks after its December 16 peak. (more...)
TECH and HEALTH - NASA probe finds water on asteroid Bennu TECH and HEALTH - NASA probe finds water on asteroid Bennu
- December 13, 2018

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Spacewalking astronauts check site of capsule leak
- December 12, 2018

Russian cosmonauts Oleg Kononenko and Sergey Prokopyev weren't locked out and trying to get back in, they were looking for remnants of a hole that caused a leak in the capsule back in August . This part of the capsule will be jettisoned as usual before atmospheric re-entry, and so poses no risk for descent. The samples, data and photographs taken from the leak site will be brought back to Earth and analyzed by Russian specialists. (more...)
China’s Mission to Land Rover on Moon’s Dark Side Blasts-off Tomorrow China’s Mission to Land Rover on Moon’s Dark Side Blasts-off Tomorrow
- December 12, 2018

That it is possible to land on the far side of the moon gently, wants to demonstrate the Kingdom of the middle with Chang'e 4. One particularity of the moon is that it's tidally locked : the Earth's gravitational pull makes it so that one side of the satellite always faces our planet. (more...)
Voyager 2 has gone interstellar Voyager 2 has gone interstellar
- December 11, 2018

Voyager 2 is over 11 billion miles from the Sun, travelling at 55,025km per hour away from its creators. Voyager 1 crossed the boundary of the heliosphere, a transition zone known as the heliopause , in 2012. Other instruments on the spacecraft have provided evidence consistent with having crossed past the heliopause and into interstellar space. The instrument has not detected any signs of the solar wind since then. (more...)
China launches probe to explore dark side of Moon China launches probe to explore dark side of Moon
- December 10, 2018

Tidal forces on Earth slow the moon's rotation to the point where the same side always faces Earth. Scientists have speculated about a number of uses for the far side of the moon , including setting up radio telescopes. The sunlight there can ensure the probe's energy supply. The rover is expected to land around the New Year to carry out experiments and explore the untrodden terrain. (more...)
Trump's EPA Plans To Ease Carbon Emissions Rule For New Coal Plants Trump's EPA Plans To Ease Carbon Emissions Rule For New Coal Plants
- December 09, 2018

The latest Trump administration environmental rollback, if adopted, likely would have little real-world impact, both industry representatives and environmental activists said. Other Trump administration initiatives rolling aback climate change efforts would undo an Obama plan meant to shift the national electrical grid away from coal and toward cleaner-burning solar and wind power, and would relax pending tougher mileage standards for cars and light trucks. (more...)
SpaceX rocket still floating in Atlantic Ocean after botched ground landing SpaceX rocket still floating in Atlantic Ocean after botched ground landing
- December 08, 2018

The mission was SpaceX's 16th mission for NASA as part of a long-term contract to ferry supplies to space. The founder of SpaceX Elon Musk has published on Twitter a video with the fall of the first stage of the rocket Falcon 9 in the Atlantic ocean. (more...)
Sound From Mars Heard For First Time On Earth Sound From Mars Heard For First Time On Earth
- December 08, 2018

Shown are the lander's arm (top), its 2.2 metre wide solar panel, one of its two TWINS temperature and wind sensors (left of centre), its UHF antenna (bottom centre), its SEIS seimometer (bottom left), and the white dome (centre left) now covers its pressure sensor. (more...)
Christmas Dinner Rocketed To International Space Station Christmas Dinner Rocketed To International Space Station
- December 08, 2018

SpaceX engineers were less happy with the first-stage booster which dropped into the Atlantic Ocean off the Florida coast, missing its designated landing zone on ground. Over 5,600 pounds of supplies, experiments, and equipment will arrive in a few days. And the Dragon brings a special treat for one class of spacecraft: It's carrying a satellite deployment system called SlingShot that can fit inside the Cygnus spacecraft's berth to deploy up to 18 cubesats. (more...)
The Greenland ice sheet is melting faster than forecast The Greenland ice sheet is melting faster than forecast
- December 07, 2018

This approach helps researchers update their tracking record, which indicates that ice sheets are melting at a faster pace than previously thought. "Rather than increasing steadily as climate warms, Greenland will melt increasingly more and more for every degree of warming". (more...)

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