The heat - formed crystalline grains found in icy comets imply significant mixing and outward movement of matter from close to the star to
the outer edges of the solar system.
However it affects the planet, the comet should give scientists their closest view yet of a near - pristine visitor from
the outer edges of our solar system.
If it approaches to less than one light - year away, a passing star could jostle the Oort cloud of comets that hang out at
the outer edge of our solar system.
At
the outer edges of the solar system, in the Kuiper Belt, are millions of icy bodies that formed when the solar system was born.
It might be lingering bashfully on the icy
outer edges of our solar system, hiding in the dark, but subtly pulling strings behind the scenes: stretching out the orbits of distant bodies, perhaps even tilting the entire solar system to one side.
Things continue to change at
the outer edge of the solar system.
We now know that comets begin in the Oort Cloud, which is a vast cloud of ice and dust objects at
the outer edge of our solar system.
They were sent to photograph planets like Jupiter, Saturn and Neptune and have just kept on going past
the outer edge of the solar system.
To put TRAPPIST - 1's distance into perspective, a spacecraft at
the outer edges of the solar system, like the Voyager 1 probe, would still have to travel for over 73,000 years just to get to Proxima b, which is only about 4 light - years from Earth.
The Oort Cloud on
the outer edges of the solar system (a region where comets may originate) is a distant 100,000 AU from the sun.
On
the outer edge of the solar system, the first manned mission to Pluto, led by the youngest female astronaut in NASA history, has led to an historic discovery: there is a marker left there by an alien race for humankind to find.
Not exact matches
This lower limit was intriguing because the
outer edge of the hole is about as far from its star as the giant planets in our
solar system are from the sun.
If this were our own
Solar System, the Voyager 1 probe — the most distant manmade object from Earth — would be at approximately the inner
edge of the
outer disk.
Ok, I did a preliminary check on the Extrasolar Planet Encyclopedia; I converted all stellar apparent magnitudes to absolute magnitudes, those to luminosity (*
solar), and calculated the inner and
outer boundaries
of the HZ, generously assuming an inner
edge of 0.9 AU and an
outer edge of 1.5 AU for our own
solar system.
According to VP113's discovery team, their and other recent surveys indicate that there are few (although probably not zero) inner Oort cloud objects with perihelion distances (closest orbital point to Sol) between 50 and 75 AUs, which is consistent with stellar encounter models (that include the capture
of extrasolar objects) that predict a strong inner
edge to the perihelion distribution
of outer Solar System objects (Trujillo and Sheppard, 2014).