Search results for oort cloud

Space Exploration Nov 2, 2016

New study reveals relationships between chemicals found on comets

A new study has revealed similarities and relationships between certain types of chemicals found on 30 different comets, which vary widely in their overall composition compared to one another. The research is part of ongoing ...

Astronomy Sep 20, 2016

Does our galaxy have a habitable zone?

I've got to say, you are one of the luckiest people I've ever met.

Astronomy Aug 29, 2016

Hunt for ninth planet reveals new extremely distant solar system objects

In the race to discover a proposed ninth planet in our Solar System, Carnegie's Scott Sheppard and Chadwick Trujillo of Northern Arizona University have observed several never-before-seen objects at extreme distances from ...

Space Exploration Jul 26, 2016

Comet Lovejoy shows asymmetric behavior at perihelion

(Phys.org)—Indian astronomers have recently conducted spectrographic observations of long-period Comet Lovejoy to study its gas emission. They found that this comet showcases an asymmetric behavior at perihelion and an increase ...

Space Exploration Jun 13, 2016

Extreme trans-Neptunian objects lead the way to Planet Nine

In the race towards the discovery of a ninth planet in our solar system, scientists from around the world strive to calculate its orbit using the tracks left by the small bodies that move well beyond Neptune. Now, astronomers ...

Space Exploration Apr 29, 2016

Unique fragment from Earth's formation returns after billions of years in cold storage

In a paper to be published today in the journal Science Advances, lead author Karen Meech of the University of Hawai`i's Institute for Astronomy and her colleagues conclude that C/2014 S3 (PANSTARRS) formed in the inner Solar ...

Space Exploration Apr 19, 2016

Chandra observations of comets C/2012 S1 (ISON) and C/2011 L4 (PanSTARRS)

For millennia, people on Earth have watched comets in the sky. Many ancient cultures saw comets as the harbingers of doom, but today scientists know that comets are really frozen balls of dust, gas, and rock and may have ...

Astronomy Mar 31, 2016

L1551 IRS 5: A curious case of a young and active binary star

(Phys.org)—L1551 IRS 5 is a young binary star, only about half a million years old. Due to its proximity (about 450 light years away) and its high activity, the system has been intriguing astronomers for many years. Malcolm ...

Space Exploration Feb 22, 2016

Scientists measure methyl alcohol emission from comet C/2012 K1 (PanSTARRS)

(Phys.org)—An international team of researchers led by Martin Cordiner of NASA's Goddard Space Flight Center has conducted measurements of CH3OH (methanol) emission from comet C/2012 K1 (PanSTARRS) that could yield invaluable ...

Space Exploration Feb 8, 2016

New Horizons could help us locate possible planets beyond Neptune (Update)

The announcement by Caltech astronomers of evidence of a giant planet lurking in the outskirts of the solar system has re-ignited the discussion about the existence of planets beyond Neptune. We could be on the verge of confirming ...

page 14 from 26