News tagged with orbit

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The impossible triple star KIC 2856960

There's news this week of an "impossible" triple star system recently discovered by astronomers. One that "defies known physics." Needless to say, there's no need to abandon physics quite yet.

Sep 09, 2014
4.9 / 5 (18) 2

Lava, not water, formed canyons on Mars

The canyon-like scars which line Mars' crust are seen by many as evidence for liquid water. But a study now suggests that a different kind of fluid – one much less hospitable to life – may actually have ...

Jun 03, 2014
4.8 / 5 (18) 9

A habitable environment on Martian volcano?

(Phys.org) —Heat from a volcano erupting beneath an immense glacier would have created large lakes of liquid water on Mars in the relatively recent past. And where there's water, there is also the possibility ...

May 27, 2014
4.9 / 5 (17) 4

What is a solar sail?

I'm Fraser Cain, and I'm a sailor. Well, okay, I've got a sailboat that I take out on the water when its warm and the weather's nice here on Vancouver Island. I think it's one of the reasons I absolutely ...

Jan 20, 2014
4.1 / 5 (20) 3

Asteroid 2013 TV135: A reality check

(Phys.org) —Newly discovered asteroid 2013 TV135 made a close approach to Earth on Sept. 16, when it came within about 4.2 million miles (6.7 million kilometers). The asteroid is initially estimated to ...

Oct 18, 2013
3.9 / 5 (19) 6 | with audio podcast

Space science stories to watch in 2014

There's an old Chinese proverb that says, "May you live in interesting times," and 2013 certainly fit the bill in the world of spaceflight and space science. The past year saw spacecraft depart for Mars, ...

Jan 02, 2014
4.3 / 5 (15) 4 | with audio podcast