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IC 443 (also known as the Jellyfish Nebula and Sharpless 248 ) is a galactic supernova remnant (SNR) in the constellation Gemini. On the plane of the sky, it is located near the star Eta Geminorum. Its distance is roughly 5,000 light years from Earth. IC 443 may be the remains of a supernova that occurred 30,000 - 35,000 years ago.
NGC 2371-2 is a dual lobed planetary nebula located in the constellation Gemini.Visually, it appears like it could be two separate objects; therefore, two entries were given to the planetary nebula by John Louis Emil Dreyer in the New General Catalogue, so it may be referred to as NGC 2371, NGC 2372, or variations on this name. [1]
The Medusa Nebula is a planetary nebula in the constellation of Gemini. It is also known as Abell 21 and Sharpless 2-274. It was originally discovered in 1955 by University of California, Los Angeles astronomer George O. Abell , who classified it as an old planetary nebula. [ 4 ]
Kronberger 61, also known as the "soccer ball", is a planetary nebula discovered by an amateur astronomer in January, 2011, with the newer images having been taken by the Gemini Observatory. [2] The nebula is named for Austrian Matthias Kronberger, [3] who is a member of the amateur group Deep Sky Hunters. The object is estimated to lie 13,000 ...
Geminga underwent a minor glitch in the late part of 1996, with a fractional change in frequency of 6.2 × 10 −10. [17]A 1998 study of the pre-glitch ephemeris suggested that the timings were being affected by reflex motion due to the presence of a low-mass planet in a 5.1-year orbit; [18] however, this was later shown to be an artifact of noise that affects the pulse times from Geminga ...
A former NASA commander has revealed that while piloting his private plane in Texas last summer he nearly had a collision with two mysterious “metallic, spherical orbs.” Astronaut Leroy Chiao ...
Bouy et al. in 2015 found a mass of around 1,600 M ☉ within the central 27.5' × 27.5′. There are 305 stars that can be intrinsically shown to be extremely likely to be members, [ c ] and up to 4,349 averaging the 50% membership probability, from the kinematic (such as parallax and proper motion ) and spectral data published before 2015. [ 4 ]
Right now, most missions and man-made objects in space remain in low earth orbit. The stranded astronauts are currently stuck about 250 miles above us, where the International Space Station is ...