Venus has now gone from being that bright “star” you’ve been seeing around sunset to later this month being the bright object you’ll see in the early morning pre-dawn hours. On January 11, Venus passed between Earth and the Sun in what is known as inferior conjunction. We challenged our readers to try and capture it, and Shahrin Ahmad in Malaysia nabbed the tiny crescent Venus about 8 hours before inferior conjunction, in what he said was a personal record!
“Around 12.30 p.m. local noon time, there was a brief of good seeing, and probably the best one so far,” Shah said via email. “Suits nicely as a parting shot. After that the sky seeing began to deteriorate really fast!”
Venus was about 0.4% illuminated and 5.1 deg from the Sun.
“Even without stretching the original photo, we can easily see how the crescent has reach beyond 180 degrees around Venus,” he said. “This is the closest Venus I’ve ever imaged.”
Wow! That’s exceptional work! You can see more of Paul’s astro-work at his website, Upside Down Astronomer.
Thanks to both Shah and Paul for sharing their photos!
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One of 62 moons discovered thus far orbiting giant Saturn, Janus is a 111-mile (179-km) -wide pockmarked potato composed of rock and ice rubble. The image above shows Janus as seen with Cassini’s narrow-angle camera on September 10, 2013, from a distance of 621,000 miles (1 million km), floating against the blackness of space.
Despite its apparent isolation in the image above, though, Janus isn’t alone. It shares its orbit around Saturn with its slightly smaller sister moon Epimetheus, and they regularly catch up to each other — and even switch places.
Janus and Epimetheus travel in nearly the same track, about 94,100 miles (151,500 km) out from Saturn. They occasionally pass each other, their gravity causing them to switch speeds and positions as they do; Janus goes faster and higher one time, slower and lower the next – but the two never come within more than about 6,200 miles of each other.
The two moons switch positions roughly every four years.
This scenario is referred to in astrophysics as a 1:1 resonance. Astronomers were initially confused when the moons were discovered in 1966 as it wasn’t known at the time that there were actually two separate moons in a single orbit. (This wasn’t confirmed until Voyager 1’s visit to Saturn in 1980.) It’s been suggested that Janus and Epimetheus will eventually come to orbit a single Lagrangian point around Saturn instead of trading places… in about another 20 million years.
The view above looks toward the Saturn-facing side of Janus. Covered in both dark and light colored material, Janus’ surface is thought to be coated with a layer of fine dust that slides down its steeper slopes, revealing the brighter ice beneath.
With the Moon as a spectacular backdrop, an Orbital Sciences’ Cygnus cargo spacecraft speeding at 17500 MPH on a landmark flight and loaded with a huge treasure trove of science, belated Christmas presents and colonies of ants rendezvoued at the space station early this Sunday morning (Jan. 12), captured and then deftly parked by astronauts guiding it with the Canadian robotic arm.
Cygnus is a commercially developed resupply freighter stocked with 1.5 tons of vital research experiments, crew provisions and student science projects that serves as an indispensible “lifeline” to keep the massive orbiting outpost alive and humming with the science for which it was designed.
Following a two day orbital chase that started with the spectacular blastoff on Jan. 9 atop Orbital’s private Antares booster from NASA Wallops Flight Facility, Va., Cygnus fired its on board thrusters multiple times to approach in close proximity to the million pound International Space Station (ISS) by 3 a.m. Sunday.
When Cygnus had moved further to within 30 feet (10 meters) NASA Astronaut and station crew member Mike Hopkins – working inside the Cupola – then successfully grappled the ship with the stations 57 foot long Canadarm2 at 6:08 a.m. EST to complete the first phase of today’s operations.
“Capture confirmed,” radioed Hopkins as the complex was flying 258 miles over the Indian Ocean and Madagascar.
“Congratulations to Orbital and the Orbital-1 team and the family of C. Gordon Fullerton,” he added. The ship is named in honor of NASA shuttle astronaut G. Gordon Fullerton who passed away in 2013.
“Capturing a free flyer is one of the most critical operations on the ISS,” explained NASA astronaut and ISS alum Cady Coleman during live NASA TV coverage.
Koichi Wakata of the Japan Aerospace Exploration Agency then took command of the robotic arm and maneuvered Cygnus to berth it at the Earth-facing (nadir) port on the station’s Harmony Node at 8:05 a.m while soaring over Australia.
16 bolts will be driven home and 4 latches tightly hooked to firmly join the two spacecraft together and insure no leaks.
The Orbital -1 spaceship is conducting the first of 8 operational cargo logistics flights scheduled under Orbital Sciences’ multi-year $1.9 Billion Commercial Resupply Services contract (CRS) with NASA that runs through 2016.
The purpose of the unmanned, private Cygnus spaceship – and the SpaceX Dragon – is to restore America’s cargo to orbit capability that was terminated following the shutdown of NASA’s space shuttles.
Cygnus and Dragon will each deliver 20,000 kg (44,000 pounds) of cargo to the station according to the NASA CRS contracts.
“This cargo operation is the lifeline of the station,” said Coleman.
The six person crew of Expedition 38 serving aboard the ISS is due to open the hatch to Cygnus tomorrow, Monday, and begin unloading the 2,780 pounds (1,261 kilograms) of supplies packed inside.
“Our first mission under the CRS contract with NASA was flawlessly executed by our Antares and Cygnus operations team, from the picture-perfect launch from NASA’s Wallops Flight Facility to the rendezvous, capture and berthing at the space station this morning,” said Mr. David W. Thompson, Orbital’s President and Chief Executive Officer, in a statement from Orbital.
“From the men and women involved in the design, integration and test, to those who launched the Antares and operated the Cygnus, our whole team has performed at a very high level for our NASA customer and I am very proud of their extraordinary efforts.”
Science experiments weighing 1000 pounds account for nearly 1/3 of the cargo load.
Among those are 23 student designed experiments representing over 8700 K-12 students involving life sciences topics ranging from amoeba reproduction to calcium in the bones to salamanders.
The students are part of the Student SpaceFlight Experiments Program (SSEP) sponsored by the National Center for Earth and Space Science Education (NCESSE).
Ant colonies from three US states are also aboard, living inside 8 habitats. The “ants in space” experiment will be among the first to be unloaded from Cygnus to insure the critters are well fed for their expedition on how they fare and adapt in zero gravity.
33 cubesats are also aboard that will be deployed from the Japanese Experiment Module airlock.
“One newly arrived investigation will study the decreased effectiveness of antibiotics during spaceflight. Another will examine how different fuel samples burn in microgravity, which could inform future design for spacecraft materials,” said NASA in a statement.
Cygnus is currently scheduled to remain berthed at the ISS for 37 days until February 18.
The crew will reload it with all manner of no longer need trash and then send it off to a fiery and destructive atmospheric reentry so it will burn up high over the Pacific Ocean on Feb. 19.
Cygnus departure is required to make way for the next cargo freighter – the SpaceX Dragon, slated to blast off from Cape Canaveral, Florida on Feb. 22 atop the company’s upgraded Falcon 9.
The Earth from the Moon – by Chang’e-3 on Christmas Day
Lander camera snapped this image on Christmas Day 2013. Credit: Chinese Academy of Sciences[/caption]
Nearly a month after the stunningly successful soft landing on the Moon by China’s first lunar mission on Dec. 14, 2013, the Chinese Academy of Sciences has at last released far higher quality digital imagery snapped by the Chang’e-3 lander and Yutu moon rover.
This release of improved images is long overdue.
And perhaps the best news of all involves a belated Christmas present to humanity – the publication of never before seen and absolutely stunning images of the Earth from the Moon captured by the lander on Christmas Day 2013.
We haven’t seen the Earth from the Moon’s surface in 4 decades – not since the 1970’s.
Until now, most of the Chang’e-3 mission images we’ve seen have essentially been rather low resolution pictures of pictures – that is screenshots or photos taken of the imagery that has been flashed onto large projection screens at the Beijing Aerospace Control Center, and then distributed by Chinese government media outlets.
So they have been degraded several times over.
I’ve collected a gallery of the new Chang’e-3 lunar photos here for all to enjoy – see above and below.
The gallery includes photos taken during the final moments of the descent and landing on Dec. 14, 2013, as well as portraits and 360 degree moonscape panoramas taken by both spacecraft after Yutu rolled its wheels onto the loose lunar soil 7 hours later on Dec. 15, and the fabulous new images of Earth in visible and UV light.
Yutu and the lander are about to awaken from their self induced slumber which began at Christmas time to coincide with the dawn of the the utterly frigid two week long lunar night.
Temperatures plunged to below minus 180 degrees Celsius.
They went to sleep to conserve energy since there is no sunlight to generate power with the solar arrays.
After driving off the lander, Yutu – which means ‘Jade Rabbit’ – drove in a semicircle around the lander and headed south.
Jade Rabbit stopped at 5 designated places.
The pair of Chinese spacecraft then snapped images of one another at each location. Some of those images were included in this new batch.
So you can see the lander from 3 different perspectives collected here:
Here’s a pair of very cool 360 degree panoramas – taken by each spacecraft and showing the other.
Finally here’s imagery taken during the landing sequence by the descent imager in the final minutes before touchdown at Mare Imbrium, nearby the Bay of Rainbows, or Sinus Iridum region.
It is located in the upper left portion of the moon as seen from Earth. You can easily see the landing site with your own eyes.
And be sure to check my earlier story with an eye popping astronauts eye view video combining all the descent imagery – here.
The landmark Chang’e-3 mission marks the first time that China has sent a spacecraft to touchdown on the surface of an extraterrestrial body.
China is only the 3rd country in the world to successfully soft land a spacecraft on Earth’s nearest neighbor after the United States and the Soviet Union.
Stay tuned here for Ken’s continuing Chang’e-3, Orbital Sciences, SpaceX, commercial space, LADEE, Mars and more news.
Antares rocket blastoff on Jan. 9 from Launch Pad 0A at NASA Wallops Flight Facility, VA lofting the Cygnus resupply vehicle on a mission for NASA bound for the International Space Station. Docking at ISS planned for Jan. 12. Both vehicles built by Orbital Sciences. Photo taken by remote camera at launch pad. Credit: Alan Walters/AmericaSpace/awaltersphoto.com
See Photo Gallery below
Story updated[/caption]
WALLOPS ISLAND, VA – The Cygnus commercial resupply freighter is hurtling towards the International Space Station (ISS) at 17,500 MPH following the flawless Jan. 9 blastoff from NASA Wallops Island, Va., atop the Orbital Sciences Corp. Antares rocket.
Cygnus is bound for the ISS on its historic first operational mission to deliver over 1.5 tons of science experiments, provisions and belated Christmas presents to the six man crew aboard the massive orbiting outpost, under Orbital Science’s $1.9 Billion resupply contract with NASA.
See our up close photo and video gallery of the spectacular Jan 9. Launch – above and below.
The privately built Cygnus cargo vessel is in the midst of a two and a half day high speed orbital chase and is scheduled to rendezvous and dock with the station early Sunday morning, Jan 12.
The Orbital-1 ship is named the “SS C. Gordon Fullerton” in honor of NASA space shuttle astronaut C. Gordon Fullerton who later worked at Orbital Sciences and passed away in 2013.
The imagery was shot by remote cameras set up all around the NASA Wallops Launch Pad 0A as well as from the media viewing site some 2 miles away.
Currently, the Cygnus spacecraft is barely 12 hours from its carefully choreographed arrival at the station on Sunday morning.
NASA TV will provide live coverage starting at 5 a.m. EST Sunday – http://www.nasa.gov/multimedia/nasatv/
“All Cygnus systems are performing as expected with no issues,” said Orbital Sciences in an update.
“The spacecraft has conducted five orbit-raising maneuvers and is on track for rendezvous with the International Space Station tomorrow morning [Sunday, Jan. 12].”
“Cygnus will maneuver to a distance of about 30 feet from the station,” said Frank Culbertson, executive vice president and general manager of Orbital’s advanced spaceflight programs group, and former Space Shuttle commander.
The goal of Orbital Sciences Cygnus – and the Space X Dragon – is to restore America’s cargo delivery capabilities to low Earth orbit and the ISS that was totally lost following the forced retirement of NASA’s Space Shuttles, by utilizing new and privately developed resupply freighters that will cuts costs.
Cygnus is packed with 2,780 pounds (1261 kg) of station supplies and vital research experiments.
Expedition 38 crew members Engineers Mike Hopkins and Koichi Wakata aboard the station will reach out and with the stations 57 foot long Canadarm2 and grapple Cygnus with the robotic arm on Sunday at 6:02 a.m. EDT.
Hopkins and Wakata will then carefully maneuver the robot arm and guide Cygnus to its berthing port on the Earth-facing side of the Harmony node.
The installation begins around 7:20 a.m. EDT. And NASA TV will provide continuous live coverage of Cygnus rendezvous, docking and berthing operations.
The majestic blastoff of Orbital Science’s two stage Antares rocket took place from a beachside pad at NASA’s Wallop’s Flight Facility along the eastern shore of Virginia, Thursday, at 1:07 p.m. EST.
The station was flying about 260 miles over the Atlantic Ocean just off the coast of Brazil as Antares soared aloft.
Following the 10 minute ascent to orbit, Cygnus separated as planned from the ATK built upper stage about 30 minutes after launch. The Ukrainian supplied first stage fired for approximately four and one half minutes
The solar arrays deployed as planned once Cygnus was in Earth orbit to provide life giving energy required to command the spacecraft.
The picture perfect launch of the 133 foot tall Antares put on a spectacular sky show following a trio of delays since mid- December 2013.
The first postponement was forced when spacewalking astronauts were called on to conduct urgent repairs to fix an unexpected malfunction in the critical cooling system on board the station.
Then, unprecedented frigid weather caused by the ‘polar vortex’ forced a one day from Jan. 7 to Jan. 8.
Finally, an unexpected blast of solar radiation from the Earth’s Sun on Tuesday (Jan. 7) caused another 24 postponement because the highly energetic solar particles could have fried the delicate electronics controlling the rockets ascent with disastrous consequences.
Cygnus is loaded with science experiments, computer supplies, spacewalk tools, food, water, clothing and experimental hardware.
“The crew will unload Cygnus starting probably the next day after it docks at station,” said Culbertson.
Among the research items packed aboard the Cygnus flight are an experiment to study the effectiveness of antibiotics in space and a batch of 23 student experiments involving life sciences topics ranging from amoeba reproduction to calcium in the bones to salamanders.
The student experiments selected are from 6 middle school and high school teams from Michigan, Texas, Colorado, and Washington, DC.
We recently interviewed Dr. Kevin Grazier, on of the scientist who has worked extensively on the Cassini mission. Here’s what he had to tell us about that mission’s discoveries.
“My name is Kevin Grazier. I am a planetary scientist, and for my research I do long-term integrations or simulations of early solar system evolution. I’m a former scientist on the Cassini mission and a consultant to several TV series such as Defiance, Falling Skies, the movie Gravity, and formerly, Battlestar Galactica.”
What are Cassini’s most amazing discoveries?
“Cassini has essentially rewritten the book on the Saturn system. I was on the spacecraft team for 15 years. I worked as a science planner and as the Investigation Scientist on the ISS instrument. (That’s Imaging Science Subsystem, not International Space Station.) And of the discoveries we found, I’m trying to think of what I’d call or classify as the most exciting.”
“One was predicted – the fact that it was believed that there could be ice volcanoes on Enceladus. And as a matter of fact, there are volcanoes on Enceladus, or active venting, however you want to look at that. Those vents create the “E” ring, so we have a ring created by material vented off Enceladus. That’s pretty exciting, because we see an active object venting material, and there aren’t a lot of active objects in the solar system.”
“The surface of Titan is really fantastic. We have open oceans or seas of hydrcarbons on Titan. We have the possibility of an open ocean underneath the crust, just like we believe is under the surface of Europa. We have one image which seems to capture what might be a volcanic eruption. That’s important, because in the outer solar system, planetary science considers ice a rock. What a rock is defined as depends on where you are in the solar system. So in the outer solar system, ice is a rock. All of the moons in the outer solar system except Io have icy crusts. Now, if you have a volcanic eruption on Titan, we have an eruption of magma, and if ice is a rock, that eruption is water. So we have evidence of magma chambers which could be cauldrons of life-giving water.”
“How cool is that? How counter-intuitive is that? How science-fiction-y is that? That one of the most interesting places to look for is a lava chamber or magma chamber that could be suitable for sustaining life. I think that’s really exciting.”
Scott:
Learning tools for visually impaired:
More information on the 3-D Hubble images can be found here
Here’s the press release for the iBook being released Frontier Fields
We record the Weekly Space Hangout every Friday at 12:00 pm Pacific / 3:00 pm Eastern. You can watch us live on Google+, Universe Today, or the Universe Today YouTube page.
2014 should be the year that Virgin Galactic’s SpaceShipTwo (SS2) brings passengers on suborbital space flights, and the company started off the year by successfully completing its third rocket-powered supersonic flight today. Virgin Galactic said they accomplished all of the objectives for this test flight.
“Today’s flight was another resounding success,” said Virgin Galactic CEO George Whitesides. “We focused on gathering more transonic and supersonic data, and our chief pilot, Dave, handled the vehicle beautifully. With each flight test, we are progressively closer to our target of starting commercial service in 2014.”
This was the third supersonic, rocket-powered test of the Virgin Galactic system after dozens of successful subsonic test flights.
Virgin Galactic’s Chief Pilot Dave Mackay piloted the craft along with Scaled Composites’ Test Pilot Mark Stucky. They tested the spaceship’s Reaction Control System, the newly installed thermal protection coating on the vehicle’s tail booms, and the “feather” re-entry system.
Virgin Galactic said the RCS will allow its pilots to maneuver the vehicle in space so that passengers will have great views of Earth, as well as aiding the positioning process for spacecraft re-entry. The new reflective protection coating on SS2’s inner tail boom surfaces is being evaluated to help maintain vehicle skin temperatures while the rocket motor is firing.
Today’s flight departed Mojave Air and Space Port at 7:22 a.m. PST. The WhiteKnightTwo (WK2) carrier aircraft brought SS2 to an altitude around 46,000 ft. Then SS2 was released, and its rocket motor was ignited, powering the spaceship to a planned altitude of 71,000 ft. That is SS2’s highest altitude to date, and it also reached a speed of Mach 1.4.
“I couldn’t be happier to start the New Year with all the pieces visibly in place for the start of full space flights,” said Virgin Galactic founder Sir Richard Branson. “2014 will be the year when we will finally put our beautiful spaceship in her natural environment of space. Today, we had our own Chief Pilot flying another flawless supersonic flight and proving the various systems required to take us safely to space, as well as providing the very best experience while we’re up there.”