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Hace 2 días · In 1922, Jacobus Kapteyn proposed the existence of dark matter, an unseen force that moves stars in galaxies at higher velocities than gravity alone accounts for. It was found in 2013 to have comprised 26.8% of the early universe.
2 de abr. de 2024 · Both Henriette Hertzsprung–Kapteyn in her biography [1] of her father Jacobus Kapteyn as well as various writers of obituaries or other articles about Kapteyn suggested that he had become an astronomer accidentally. He ob-tained his doctoral degree in Utrecht with a dissertation in mathematics; it is
22 de abr. de 2024 · In 1913 he became assistant to the astronomer Jacobus Kapteyn at the University of Groningen, where he remained until his retirement in 1958, becoming professor of theoretical physics in 1920 and later of mathematical physics and theoretical mechanics.Zernike's interest centered around optics and, more particularly, diffraction and ...
MUSE Science show case 1: Kapteyn's Star First light image of a M1 red dwarf of 9th magnitude, in the constellation of Pictor, named after the dutch astronomer Jacobus Kapteyn who discover it in 1898.
- 24 x 4k x 4k MIT/LL CCD
- 480-930 nm (nominal)465-930 nm (extended)
- 24
5 de abr. de 2024 · The construction of the European Southern Observatory’s Extremely Large Telescope (ESO's ELT) has reached an important milestone with the delivery to ESO and shipment to Chile of the first 18 segments of the telescope’s main mirror (M1). Once they arrive in Chile, the segments will be transported to the ELT Technical Facility, at ESO’s ...
11 de abr. de 2024 · Jacobus Kapteyn Telescope. A poster of the Jacobus Kapteyn Telescope. DIN A3 (29.7 cm× 42.0 cm) [ TIFF (46,725 K)].
8 de abr. de 2024 · Our narrow-band images were obtained with the remotely operated 1-m telescopes of the SARA observatory (Keel et al. 2017) at Kitt Peak (KP, 0.44 arcsec per pixel, field of view 14.5 arcmin 2) and La Palma (the Jacobus Kapteyn Telescope, JKT; 0.34 arcsec per pixel, field of view 11.6 arcmin 2).
