Science news articles about 'elliptical orbit'

  • Chandrayaan-1 now in lunar orbit

    ... a final 100-km polar lunar orbit. The Moon Impact Probe (MIP) will then be ... Centre SHAR, Sriharikota. The launcher placed the spacecraft in an elliptical orbit around Earth. In the past two weeks, ...
  • Mars Express acquires sharpest images of martian moon Phobos

    ... Phobos, Mars Express benefits from its highly elliptical orbit which takes it from a closest distance of 270 ... Viking mission, by flying outside the spacecraft's orbit around Mars. Phobos-Grunt (Phobos ...
  • New "Minor Planet" Found in Solar System

    The object, which resembles a tailless comet, traces a long, elliptical orbit around the sun on a round-trip journey lasting about 22,500 years, astronomers report.
  • Milky Way a swifter spinner, more massive, new measurements show

    ... 000 miles per hour in our Galactic orbit, up from the previous estimate of 500,000 miles ... form stars, and cause it to go into a new, elliptical orbit. This, they explained, helps to reinforce the spiral ...
  • Strong winds over the keel

    ... but it survived. Eta Carinae is also thought to have a hot companion that orbits around it in 5.54 years, in an elliptical orbit. Both stars have strong winds, which collide, leading to ...
  • Physicists Engineer the Picture-Perfect Classical Atom

    ... It would resemble a miniature solar system -- an atomic nucleus orbited by electrons, drawn in nice tidy elliptical orbits -- like planets orbiting the Sun. This is a reasonable classical depiction ...
  • Mars Spacecraft Teams On Alert For Dust-Storm Season

    ... . On April 21, Mars will be at the closest point to the sun in the planet's 23-month, elliptical orbit. One month later, the planet's equinox will mark the start of summer in Mars' southern hemisphere ...
  • Critical turning point can trigger abrupt climate change

    ... 's radiation. 1: The Earth's orbit around the sun is not completely circular, but slightly elliptical. The orbit is 'elastic' and contracts and expands in a cycle of 100.000 years. And the closer we ...
  • Everyone's going to the moon

    ... 1990, when a Japanese spacecraft began a highly elliptical orbit that took it 10 times past ... once more heading for the moon. A lunar reconnaissance orbiter (LRO), launched on Thursday night, is designed ...
  • LROC's first look at the Apollo landing sites

    ... the Apollo landing sites. The Lunar Reconnaissance Orbiter Camera (LROC) imaged five of the six Apollo ... http://lroc.sese.asu.edu. The orbiter's current elliptical orbit resulted in image resolutions ...
  • NASA celebrates Chandra X-Ray Observatory's 10th anniversary

    ... originally proposed Chandra to NASA in 1976. Unlike the Hubble Space Telescope, Chandra is in a highly elliptical orbit that takes it almost one third of the way to the moon, and was not designed to ...
  • Double engine for a nebula

    ... dust shell. The two stars probably orbit each other in a period between 20 and 50 years. A ... formation of the nebula: as the companion moves on a highly elliptical orbit, it would regularly come very ...
  • Watch the Perseids Tonight!

    ... that gets thrown out in space during each of its passages in the proximity of our Sun traces the full elliptical orbit of the comet, like droplets of sweat of an athlete running the 10,000 meters in a ...

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