space-based radio astronomy
51In Search of Space — Studio album by Hawkwind Released 8 October 1971 …
52New Zealand Association of Radio Transmitters — Abbreviation NZART Motto Dedicated to Amateur Radio in New Zealand Formation Ausgust 16, 1926 Type …
53Extremely high frequency — Frequency range 30 to 300 GHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 …
54Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
55telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… …
56Cosmic microwave background radiation — CMB and Cosmic background radiation redirect here. For other uses see CMB (disambiguation) and Cosmic background (disambiguation). Physical cosmology …
57Mercury (planet) — Mercury  ☿ …
58Galaxy — This article is about the astronomical structure. For other uses, see Galaxy (disambiguation). NGC 4414, a typical spiral galaxy in the constellation Coma Berenices, is about 55,000 light years in diameter and approximately 60 million light… …
59Observatory — This article is about scientific observatories. For the suburb of Cape Town, see Observatory, Cape Town. For other uses, see The Observatory (disambiguation). The Sphinx Observatory at the Jungfraujoch in the Swiss Alps; high altitude… …
60Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
