Science

Mon, Feb 22, 2021
Source: Discover Magazine
For centuries, right up until the 1960s, the notion life on Mars—and elsewhere—wasn't considered especially remarkable -- Read more on ScientificAmerican.com [...]
Sun, Feb 21, 2021
Source: Scientific American Space
A Northrop Grumman Antares rocket lifts off Saturday from the Eastern Shore of Virginia. Credit: NASA/Patrick BlackAn Antares launcher rocketed into orbit Saturday from the Eastern Shore of Virginia, deploying a Northrop Grumman Cygnus supply ship carrying nearly 8,400 pounds of cargo to the International Space Station, the the most [...]
Sat, Feb 20, 2021
Source: Spaceflight Now
The Boeing Starliner crew module is hoisted across the Commercial Crew and Cargo Processing Facility at NASA’s Kennedy Space Center in Florida on Jan. 14, 2021, to be mated with the service module. Credit: Boeing/John ProferesThe launch of the next test flight of Boeing’s Starliner crew capsule has been delayed [...]
Sat, Feb 20, 2021
Source: Spaceflight Now
The asteroid Apophis is about to make its close flyby of Earth. And astronomers want to get a good look at it while they can. [...]
Sat, Feb 20, 2021
Source: Discover Magazine
A Northrop Grumman Antares rocket stands on pad 0A at Wallops Island, Virginia, on a frigid morning hours before a planned liftoff with more than 8,000 pounds of cargo heading for the International Space Station. In these photos, the sun rises behind the 139-foot-tall (42.5-meter) Antares launcher at the Mid-Atlantic Regional [...]
Sat, Feb 20, 2021
Source: Spaceflight Now
This graphic illustrates the major events during the Antares rocket’s climb into orbit with the Cygnus supply ship on the NG-15 mission. Credit: Northrop GrummanNorthrop Grumman’s Antares rocket will deliver a Cygnus supply ship into orbit Thursday to begin a pursuit of the International Space Station. The rocket’s two RD-181 engines [...]
Sat, Feb 20, 2021
Source: Spaceflight Now
Live coverage of the countdown and launch of an Antares rocket from Virginia with Northrop Grumman’s 15th operational Cygnus resupply flight to the International Space Station. Text updates will appear automatically below. Follow us on Twitter. NASA TV [...]
Sat, Feb 20, 2021
Source: Spaceflight Now
On Feb. 18, 2021 at 20:55 UTC, the Perseverance rover touched down on the surface of Mars. The flight down was successful and, by all accounts, picture-perfect. The rover landed in the 50-kilometer-wide Jezero crater, within about a kilometer of the “bull's-eye” targeted. The first images are now being sent to Earth, and [...]
Fri, Feb 19, 2021
Source: Bad Astronomy
Scientists have made a new and improved map of possible water-ice reservoirs on Mars. The post New Map of Ice on Mars Will Aid Future Crewed Missions appeared first on Sky & Telescope. [...]
Fri, Feb 19, 2021
Source: Sky and Telescope Astronomy News
Black holes are everywhere. Luckily, space is big*, so even the closest ones we know of are pretty far away, thousands of light years distant. And we see them in every decently sized galaxy out here, too, from millions to billions of light years away. But Cygnus X-1 is special. It was [...]
Fri, Feb 19, 2021
Source: Bad Astronomy
About once a month this winter, we can watch the Moon take a four-day journey across a field of stars termed the "Winter Hexagon." The post Watch the Moon Journey Across the Winter Hexagon appeared first on Sky & Telescope. [...]
Fri, Feb 19, 2021
Source: Sky and Telescope Astronomy News
Sirius the Dog Star blazes high in the southeast after dinnertime, the brightest star of Canis Major. Spot it lower left of Orion. The stars of Canis Major can be connected to form a convincing dog profile. The post This Week's Sky at a Glance, February 19 – 27 appeared first [...]
Fri, Feb 19, 2021
Source: Sky and Telescope Astronomy News
NASA’s Perseverance lander, now safely sitting inside Jezero crater, will soon begin its search for evidence of past life on Mars. The post Perseverance Arrives on Mars appeared first on Sky & Telescope. [...]
Thu, Feb 18, 2021
Source: Sky and Telescope Astronomy News
NASA’s latest mission to the Red Planet will seek out signs of ancient life, gather samples for return to Earth, and even fly a first-of-its-kind interplanetary helicopter -- Read more on ScientificAmerican.com [...]
Thu, Feb 18, 2021
Source: Scientific American Space
One week from today, NASA's Perseverance rover will land on Mars. Find resources here — including broadcast of the landing itself. The post Watch Online: NASA's Perseverance Landing on Mars appeared first on Sky & Telescope. [...]
Thu, Feb 18, 2021
Source: Sky and Telescope Astronomy News
Today, February 18, 2021 at 20:44 UTC (3:44 p.m. Eastern US time), if all goes well, another robotic rover will land on the planet Mars. But we won't know if it worked until 20:55 UTC (3:55 p.m. Eastern), because it takes 11 minutes and 22 seconds for the radio signal to [...]
Thu, Feb 18, 2021
Source: Bad Astronomy
With the space agency’s latest rover set to touch down on February 18, here is the agenda for its initial months -- Read more on ScientificAmerican.com [...]
Thu, Feb 18, 2021
Source: Scientific American Space
Snare a dozen bright double stars and deep-sky objects in the celestial Hare the next clear night. We also provide details on how to watch the potentially hazardous asteroid Apophis occult a star the night of February 21st. The post A Deep-sky Hippity-hop through Lepus, the Hare appeared first on Sky [...]
Wed, Feb 17, 2021
Source: Sky and Telescope Astronomy News
The robotic rover’s touchdown is meant to be the most accurate ever attempted on the Red Planet, opening the way for future pinpoint landfalls throughout the solar system -- Read more on ScientificAmerican.com [...]
Wed, Feb 17, 2021
Source: Scientific American Space

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