Hittade info om scholz star .
skulle gärna få tips om bilder och vetenskapliga artiklar och undersökningar .
en tanke som slog mig är att det är många som har argumentet att utomjordingar inte kan ha varit här med tanke på avstånd . men här har ett solsystem varit på ett avstånd som har gjort det möjligt att besöka oss utan några större problem till ock med våran teknik . hur många fler stjärnor finns det med mötande banor eller som har varit nära oss . varför diskuteras inte detta mera .
ref
http://www.space.com/28611-star-flew...ar-system.html
wiki
Scholz's star (WISE designation WISE 0720−0846 or fully WISE J072003.20−084651.2) is a binary stellar system about 17–23 light-years (5.1–7.2 parsecs) from the Sun in the southern constellation Monoceros near the Galactic plane.[2] The primary is a red dwarf with a stellar classification of M9±1 and has 86±2 Jupiter masses.[2] The secondary is probably a T5 brown dwarf with 65±12 Jupiter masses.[2] The system has 0.15 solar masses.[2] The pair orbit at a distance of about 0.8 astronomical units (120,000,000 kilometers; 74,000,000 miles).[2] The system has an apparent magnitude of 18.3,[2] and is estimated to be between 3 and 10 billion years old.[2] With a parallax of 166 mas (0.166 arcseconds), there are about 80 known star systems closer to the Sun.[5] It is a late discovery, as far as nearby stars go, because past efforts concentrated on high-proper-motion objects.
It is estimated that the WISE 0720-0846 system passed about 52,000 astronomical units (0.25 parsecs; 0.82 light-years) from the Sun about 70,000 years ago.[2][4] Simulations using a 2-sigma solution with a 98% confidence level show that the star passed within 120,000 AU (0.58 pc; 1.9 ly) of the Sun.[2] Comets perturbed from the Oort cloud would require roughly 2 million years to get to the inner Solar System.[2] At closest approach the star would have had an apparent magnitude of about 11.4.[3] A star is expected to pass through the Oort Cloud every 100,000 years or so.[3] An approach as close or closer than 52,000 AU is expected to occur about every 9 million years.[2]
The star was first discovered to be near the solar system by astronomer Ralf-Dieter Scholz,[4] announced on arXiv in November 2013, and has been nicknamed Scholz's star.
skulle gärna få tips om bilder och vetenskapliga artiklar och undersökningar .
en tanke som slog mig är att det är många som har argumentet att utomjordingar inte kan ha varit här med tanke på avstånd . men här har ett solsystem varit på ett avstånd som har gjort det möjligt att besöka oss utan några större problem till ock med våran teknik . hur många fler stjärnor finns det med mötande banor eller som har varit nära oss . varför diskuteras inte detta mera .
ref
http://www.space.com/28611-star-flew...ar-system.html
wiki
Scholz's star (WISE designation WISE 0720−0846 or fully WISE J072003.20−084651.2) is a binary stellar system about 17–23 light-years (5.1–7.2 parsecs) from the Sun in the southern constellation Monoceros near the Galactic plane.[2] The primary is a red dwarf with a stellar classification of M9±1 and has 86±2 Jupiter masses.[2] The secondary is probably a T5 brown dwarf with 65±12 Jupiter masses.[2] The system has 0.15 solar masses.[2] The pair orbit at a distance of about 0.8 astronomical units (120,000,000 kilometers; 74,000,000 miles).[2] The system has an apparent magnitude of 18.3,[2] and is estimated to be between 3 and 10 billion years old.[2] With a parallax of 166 mas (0.166 arcseconds), there are about 80 known star systems closer to the Sun.[5] It is a late discovery, as far as nearby stars go, because past efforts concentrated on high-proper-motion objects.
It is estimated that the WISE 0720-0846 system passed about 52,000 astronomical units (0.25 parsecs; 0.82 light-years) from the Sun about 70,000 years ago.[2][4] Simulations using a 2-sigma solution with a 98% confidence level show that the star passed within 120,000 AU (0.58 pc; 1.9 ly) of the Sun.[2] Comets perturbed from the Oort cloud would require roughly 2 million years to get to the inner Solar System.[2] At closest approach the star would have had an apparent magnitude of about 11.4.[3] A star is expected to pass through the Oort Cloud every 100,000 years or so.[3] An approach as close or closer than 52,000 AU is expected to occur about every 9 million years.[2]
The star was first discovered to be near the solar system by astronomer Ralf-Dieter Scholz,[4] announced on arXiv in November 2013, and has been nicknamed Scholz's star.
