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Latest Asteroid Stories

Standard Model Does Little To Explain Why Earth Is So Dry
2012-07-18 10:59:10

Lawrence LeBlond for redOrbit.com - Your Universe Online Despite seventy percent of the Earth´s surface being covered by water, in reality the whole of the planet is only made up of 1 percent water, making it relatively dry compared to the gas giants, such as Jupiter and Neptune. And now, that dryness, which has long perplexed scientists, has been explained by a team of scientists working at the Space Telescope Science Institute (STSI) in Baltimore, Maryland. The standard model...

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2012-07-12 16:45:13

Lee Rannals for redOrbit.com - Your Universe Online Virgin Galactic hasn't even taken a tourist to space yet, but the company is already expanding its means by partnering with Planetary Resources to launch tools into space. Planetary Resources will be relying on the transportation of Virgin Galactic to launch a series of spacecraft, including the Arkyd-100 low-Earth orbit (LEO) space telescopes. The company's goal is to eventually mine asteroids, but first has to take a series of...

Privately-Funded Deep Space Mission Planned
2012-06-30 05:59:00

Lee Rannals for redOrbit.com - Your Universe Online Former astronauts are making plans to build and launch their own space telescope to track down dangerous asteroids. The B612 Foundation, which is made up of former NASA astronauts and U.S. scientists, said it plans to launch the first privately funded deep space mission. The company said that its Sentinel mission would see that a space telescope be placed in orbit around the sun. Ed Lu, a former NASA astronaut who flew aboard...

Rosetta Reveals History Of Asteroid Lutetia
2012-06-27 04:44:56

[ Watch the Video] The long and tumultuous history of asteroid Lutetia was revealed by ESA´s Rosetta spacecraft as it raced past this large, ancient asteroid. This spectacular movie shows a sequence of images snapped by Rosetta as it flew past the main-belt asteroid on 10 July 2010. The sequence begins nine and a half hours before Rosetta made its closest pass, when the asteroid still appeared like a distant tumbling speck seen from a distance of 500 000 km. Surface features...

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2012-06-15 21:17:45

Lee Rannals for redOrbit.com An asteroid about the size of a football stadium may slightly have a chance of impacting Earth in 2040, but new estimates show it's hardly a threat. The space rock, measuring about 460-feet in size, has a likelihood of missing Earth greater than 99 percent, according to the recent findings by scientists at a May 29 workshop at NASA's Goddard Space Flight Center. "While there is general consensus there is only a very small chance that we could be dealing...

Dawn Spacecraft The Begin Final Science Orbit Today
2012-06-15 04:41:30

After successfully completing nearly five months scrutinizing the giant asteroid Vesta at its lowest orbit altitude, NASA's Dawn spacecraft will begin its final major science data-gathering phase at Vesta on June 15, at an average altitude of 420 miles (680 kilometers) above the surface. Over the past six weeks, Dawn has been gently spiraling up from its lowest orbit - 130 miles, or 210 kilometers, above the surface - to the final planned science orbit, known as high-altitude mapping orbit...

City-Block Sized Asteroid Whizzing By Earth Tonight
2012-06-14 13:52:39

Lee Rannals for redOrbit.com A huge asteroid the size of a city block will be skimming by Earth on Thursday night at 8:00 eastern time. The giant space rock is about 1,650-feet wide and is big enough to qualify as a potentially hazardous asteroid.  However, experts stress there is no chance of a collision, and it will be passing Earth at a safe 3 million miles away. Astronomers in Australia discovered the asteroid 2012 LZ1 on Sunday night, and found that the object is going to...

Vesta's Coat Of Many Colors
2012-06-07 09:05:24

[ Watch the Video ] A new video from NASA's Dawn mission reveals the dappled, variegated surface of the giant asteroid Vesta. The animation drapes high-resolution false color images over a 3-D model of the Vesta terrain constructed from Dawn's observations. This visualization enables a detailed view of the variation in the material properties of Vesta in the context of its topography. The colors were chosen to highlight differences in surface composition that are too subtle for the...

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2012-06-02 12:01:43

The work of a University of Tennessee, Knoxville, professor has helped reveal a rare orbital shift and the density of an asteroid that will pass close to Earth. Josh Emery, assistant professor of earth and planetary sciences, and the team of the NASA asteroid sample return mission called OSIRIS-REx have measured the weight and orbit of 1999 RQ36. They have found the asteroid has a low density and its orbit has drifted roughly 100 miles in the last twelve years. This deviation is...


Latest Asteroid Reference Libraries

26_26ca3fd3e3e9d60674271116cfd629a1
2009-04-28 17:17:08

Johann Daniel Titius was born on January 2, 1729 in Konitz, Royal Prussia. He was a professor at Wittenberg. He is most famous for the Titius-Bode law, which helped him find the existence of a minor planet at 2.8 AU from the sun in 1766. The planet was later named Ceres. Titius died in Wittenberg on December 11, 1796. To his honor, the Titius asteroid in 1998 and the Titius lunar crater are named after him.

8_1e2e2011b36872dcb4753873588746382
2004-10-19 04:45:44

Lagrangian Point -- In Lagrangian mechanics, a Lagrangian point (or L-point) is one of five positions in space where the gravitational fields of two bodies of substantial but differing mass combine to form a point at which a third body of negligible mass would be stationary relative to the two bodies. Bodies at the L-point will not move relative to the parent bodies if they are not perturbed by other gravitational forces. They are sometimes also referred to as libration points. The...

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2004-10-19 04:45:42

Planet -- A planet is a body of considerable mass that orbits a star and that doesn't produce energy through nuclear fusion. Until recently, only nine were known (all of them in our own Solar system). As of the end of 2002 over 100 are known, with all of the new discoveries being extrasolar planets. Astronomers often call asteroids minor planets, and call the larger planetary bodies (those which are commonly called planets) major planets. Planets within the solar system can be...

6_79b1bf0245952aa2e5b479867b1c322b2
2004-10-19 04:45:41

Asteroid -- An asteroid, also called a minor planet or planetoid, is a member of a group of small, planet-like bodies that are part of our solar system. They are believed to be remnants of the interstellar clouds, nebula, that were not incorporated into planets during the formation of the solar system. The largest asteroid in the inner solar system is Ceres with a diameter of 1003 km. It also was the first to be discovered, by Giuseppe Piazzi on January 1, 1801. Nowadays, over 9000...

Solar System
2012-10-22 06:09:41

The Solar System refers to the area in space that is dominated by our own Sun. It is comprised of the Sun and its associated astronomical objects that are held in its gravitational orbit. The Solar System was formed as a result of the collapse of a giant molecular cloud approximately 4.6 billion years ago. The mass of this system is located almost entirely in the Sun. Apart from the Sun, a high percentage of the remainder of the system’s mass is located in the eight solitary planets that...

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Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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