Direct communication between Earth and Mars can be strongly disturbed and even blocked by the Sun for weeks at a time, cutting off any future human mission to the Red Planet. An ESA engineer working with engineers in the ...
Space Exploration
Oct 16, 2009
18
0
(Phys.org)—Advanced propulsion researchers at NASA are a step closer to solving the challenge of safely sending human explorers to Mars and other solar system destinations.
Space Exploration
Jan 10, 2013
17
1
It's a world like no other: a metal-rich asteroid that could be the remnants of a small planet, or perhaps an entirely new type of celestial body unknown to science.
Space Exploration
Oct 14, 2023
1
58
There are many different ways to get to Mars, but there are always tradeoffs. Chemical propulsion, proven the most popular, can quickly get a spacecraft to the red planet. But they come at a high cost of bringing their fuel, ...
Space Exploration
Jan 12, 2024
0
57
Right now, 10 to 15 Rubik's Cube-sized satellites are orbiting high above Earth. Known as cube satellites, or "CubeSats," the devices help researchers conduct simple space observations and measure characteristics of Earth’s ...
Space Exploration
Feb 3, 2010
11
1
In mid-December, twin discs will begin glowing blue on the underside of a minibus-sized spacecraft in deep space. At that moment Europe and Japan's BepiColombo mission will have just come a crucial step closer to Mercury.
Space Exploration
Nov 16, 2018
5
277
Nearly undetectable from the ground, unmanned aerial vehicles (UAVs) are widely used by the military to scan terrain for possible threats and intelligence. Now, fuel cell powered UAVs are taking flight as an Office of Naval ...
Engineering
Apr 17, 2009
1
0
A German satellite the size of a car re-entered the Earth's atmosphere early Sunday, officials said, adding they did not know yet if any debris had hit the Earth.
Space Exploration
Oct 23, 2011
4
0
Boeing's Phantom Eye unmanned airborne system (UAS) completed its first autonomous flight June 1 at NASA's Dryden Flight Research Center at Edwards Air Force Base, Calif.
Engineering
Jun 4, 2012
10
0
Have you ever experimented with food dye? It can make cooking a lot more fun, and provides a great example of how two fluids can mix together well—or not much at all.
Soft Matter
Nov 19, 2021
0
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