Sentences with phrase «spacecraft needed»

To rendezvous with comet 67P / Churyumov - Gerasimenko in 2007 — which it will crash into on September 30, 2016 — the Rosetta spacecraft needed a speed boost with the help of Earth's gravity.

Sometimes even a spacecraft needs to be cozy.

Not exact matches

As NASA continues to push the boundaries of human space exploration — it hopes to reach Mars in the 2030s — it needs to develop even more advanced suits to be worn both inside and outside of spacecraft.

To solve the question once and for all, Orton says researchers need to send spacecraft to plunge through the clouds of Uranus, not unlike how the Cassini probe dove into Saturn.

One of the big limiting factors in plaguing future space missions is lifting off from Earth with all the supplies, fuel, spacecraft and equipment humans would need to establish a permanent lunar base or field a Mars mission.

Launched from Florida nearly five years ago, Juno needed to be precisely positioned, ignite its main engine at exactly the right time and keep it firing for 35 minutes to become only the second spacecraft to orbit Jupiter.

The efficient causes, detailing precisely how nature works, are needed to «get a spacecraft to Mars or explain how the laser in the grocery store checkout line works.»

The need for a detailed, comprehensive examination of the Saturn system became clear during the early 1980s, after the two Voyager spacecraft made flybys of the planet.

While nearly all spacecraft use chemical rockets for launching, once the hardware is in space, propulsion is still needed to manouvere the craft for orbital station - keeping, supply missions and space exploration.

And when NASA needs to send astronauts and cargo to the International Space Station, it must pay to use a Russian Soyuz spacecraft.

Although the rocket provided the spacecraft with the all the momentum required to propel it forward to Bennu, OSIRIS - REx needed an extra boost from the Earth's gravity to change its orbital plane.

However, as a paper published in Botany Letters shows, many challenges need to be addressed if astronauts are to successfully grow enough food on board spacecraft and on other planets.

Researchers have come up with what they call the Space Hitchhike Equation, which relates the specific strength of the tether, the mass ratio between the spacecraft and the tether, and the change in velocity needed to accomplish the maneuver.

The spacecraft's demise, necessitated by dwindling fuel and a need to protect two of Saturn's 62 moons from potential microbial contamination from Earth, has brought forth a global outpouring of sentiment.

The cosmic collision is intentional: Mission engineers need to guide the spacecraft down because they have run out of fuel to keep themselves in lunar orbit.

We needed to see what a spacecraft would be facing when coming back through Earth's atmosphere, so we had to recreate those conditions in the lab.

Meanwhile, other researchers are attempting to develop an alternate space - based interferometry technology that uses microscopic clouds of atoms rather than bulky spacecraft to further shrink the need for long, expensive baselines.

But for this dance Cassini needed a partner, something else orbiting Saturn that could give the spacecraft a hefty boost of trajectory - tweaking, fuel - saving momentum on a regular basis.

Howell describes it this way: «You guess what kind of conditions you need to launch from Earth» — for example, how strong a thrust to give the spacecraft, which way to point it, where to launch it.

«When two spacecraft are predicted to come too close to one another, we give people a heads - up in advance so the project teams can start coordinating about whether any maneuvers are needed.»

Space explorers will need to recycle as much breathable oxygen in their spacecraft environments as possible during long - duration missions.

To reconstruct the spacecraft's orbit with sufficient accuracy, the researchers needed the detailed map of the moon's gravity field provided by the GRAIL mission.

To do that, they need a very special spacecraft that can handle the harsh conditions of the trip and protect everything on board.

I am very disappointed by your conclusion that we need manned spacecraft going to Mars [«Time to Put a Foot Down,» Letter From Discover, April].

I did some work in 2011 and 2012 as part of the 100 Year Starship symposium and discovered ways to reduce the energy requirements by many orders of magnitude, so for a 10 - metre diameter spacecraft with a velocity of 10 times light speed, I can reduce the negative energy needed.

New Scientist reported on proposals to use a plasma shield to slow a spacecraft's descent, reducing the need for heavy...

«One of the most significant things we accomplished, and Trevor (Williams) played a key role, was determining that, at its farthest point, the spacecraft - Earth - Moon angle doesn't need to be 90 degrees, but can vary as much as 30 degrees from that and still provide a stable orbit,» said Chad Mendelsohn, a Goddard engineer involved in the orbit studies.

Not only do the companies need to pass NASA's safety standards with unproved spacecraft, but they must train astronauts on the new equipment as well.

The energy needed for launching a spacecraft could be supplied to it from the ground through a plasma channel in the atmosphere.

Conventional spacecraft would need 2.5 tons of fuel to reach Vesta; Dawn carried just 937 pounds of xenon at launch, and it still has enough to go on a 900 - million - mile loop beyond Vesta to its second target, the asteroid Ceres.

Previously, the spacecraft had found alcohols, sugars and oxygen compounds, which are also needed for life and cellular structure.

By the time spacecraft have laser beacons, the DSN will need a complementary arsenal of laser - detecting telescopes.

It takes rocket science to launch and fly spacecraft to faraway planets and moons, but a deep understanding of how materials perform under extreme conditions is also needed to enter and land on planets with atmospheres.

Some pieces of the instruments and the spacecraft will need to be constructed or manufactured during this phase to make sure they work and can fit the necessary parameters, but the complete construction of the mission hardware won't take place until Phase C.

Musk has been thinking about what his colonist - carrying spacecraft would need, whatever it ends up being.

Other committee discussions focused on which instruments a spacecraft would need to study Europa's ice.

Data from this first dive will help engineers understand if and how they will need to protect the spacecraft on its future ring - plane crossings.

Forward's laser sailing becomes much cheaper when the spacecraft merely need to be large enough to contain a «seed probe,» a robot capable of landing on an asteroid or planet in the target solar system and building up a new civilization from scratch.

The tiny spacecraft would first need to approach the star Alpha Centauri A as close as around four million kilometres, corresponding to five stellar radii, at a maximum speed of 13,800 kilometres per second (4.6 per cent of the speed of light).

Late this year or early next, programme managers will decide what they may need to strip off the spacecraft to keep the project alive.

A related manoeuvre, called aerocapture, would help spacecraft land on Mars or return to Earth without needing prohibitively large landing rockets.

Using four spacecraft will provide MMS with the multipoint measurements needed to determine whether reconnection events occur in an isolated locale, everywhere within a larger region at once, or by traveling across space.

Although the prospects are much more favorable for using the station as a staging base for a further deployment of spacecraft that leave Earth's orbital environment — like the Webb telescope and missions to the moon or Mars — such outfitting would need to be done in the vacuum of space with the spacecraft docked to the station.

The fourth parameter, needed to complete the interior model, will be obtained from future spacecraft missions.

It turns out that Mars orbiting spacecraft are no exception, with aging electronics that need new instructions to deal with worn out components after years of heavy use.

In that case we need enough plutonium to power two spacecraft, and one has to either increase the planned production rate (which costs more), or separate the launches by several years

However, findings from the Standing Review Board set up to watch over the project concluded that more time was needed in order to properly test the components, both separately, and integrated as part of a unified spacecraft.

The spacecraft launched from Cape Canaveral Air Force Station, Florida, but needed a gravitational assist from Mars in 2009 before it journeyed deeper into the solar system.

Radio telescopes, including major facilities of the National Science Foundation's National Radio Astronomy Observatory, have provided data needed to measure the winds encountered by the Huygens spacecraft as it descended through the atmosphere of Saturn's moon Titan last month — measurements feared lost because of a communication error between Huygens and its mother ship Cassini.

A dustier environment in the gap might have meant the spacecraft's saucer - shaped main antenna would be needed as a shield during most future dives through the ring plane.