Oort cloud
‘Naked’ Comets Could Expose Solar System’s Ancient Origin Story
What's a comet that doesn't look like a comet? The question sounds contradictory, but astronomers believe these objects exist. As…
A Compendium of Universe Today Comet Siding Spring Articles: January 2013 – October 2014
We present here a compendium of Universe Today articles on comet Siding Spring. Altogether 18 Universe Today stories and counting…
PanSTARRS K1, the Comet that Keeps Going and Going and Going
Thank you K1 PanSTARRS for hanging in there! Some comets crumble and fade away. Others linger a few months and move…
MAVEN Mars Orbiter Ideally Poised to Uniquely Map Comet Siding Spring Composition – Exclusive Interview with Principal Investigator Bruce Jakosky
MAVEN to conduct up close observations of Comet Siding Spring during Oct. 2014 MAVEN is NASA’s next Mars Orbiter and…
How Can We Move the Earth?
Sooner or later we're going to want to move the Earth further away from the Sun. It turns out, there…
Weekly Space Hangout – March 28, 2014: Uwingu & New Dwarf Planet News
Host: Fraser Cain Astrojournalists: Morgan Rehnberg, David Dickinson Special Guest: Dr. Alan Stern, Principle Investigator of New Horizons, Founder of…
Discovery! Possible Dwarf Planet Found Far Beyond Pluto’s Orbit
What is a dwarf planet? Some astronomers have been asking that question after Pluto was demoted from planethood almost a…
Mysterious and Well-Preserved Oort Cloud Object Heading Into Our Solar System
What if we could journey to the outer edge of the Solar System – beyond the familiar rocky planets and…
Comet Pan-STARRS Wows Over Holland
Comet Pan-STARRS thrills Dutch observers of the Night Sky on March 14, 2013 shortly after sunset- note the rich hues.…
Best Evidence Yet That Comets Delivered Water for Earth’s Oceans
[/caption] The idea isn’t new that Earth’s oceans originated from comets bombarding our planet back in its early days. But…