Väisälä is a tiny lunar impact crater located on a rise in the Oceanus Procellarum. Sharing the same continental island are the brilliant crater Aristarchus...

Vilho Väisälä Yrjö Väisälä (1891–1971), Finnish astronomer and physicist 1573 Väisälä, a main belt asteroid Väisälä (crater), a lunar impact crater Brunt–Väisälä...

brothers were mathematician Kalle Väisälä (1893–1968) and meteorologist Vilho Väisälä (1889–1969). His daughter Marja Väisälä (1916–2011) was an astronomer...

of the crater midpoint that is closest to the primary crater. The following craters have been renamed by the IAU. Aristarchus A — See Väisälä. Aristarchus...

the person the crater is named for. Where a crater formation has associated satellite craters, these are detailed on the main crater description pages...

1573 Väisälä at AstDyS-2, Asteroids—Dynamic Site Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info 1573 Väisälä at...

{\displaystyle \mathrm {Fr} } is the Froude number, N {\displaystyle N} — the Brunt–Väisälä frequency, h {\displaystyle h} — depth of the valley, and F r c {\displaystyle...

diameter. It was discovered on 6 September 1940, by Finnish astronomer Yrjö Väisälä at Turku Observatory in Southwest Finland. The common stony S-type asteroid...

the renowned Finnish astronomer and physicist Yrjö Väisälä, was named after him. The lunar crater Virtanen is also named after him. Part of the patent...

Culture Center, Osaka, is an expert in telescope making and has made Wright-Väisälä, Dall-Kirkham, Schiefspiegler and other optics in addition to mechanical...

Ursa is a non-profit society of amateur astronomers, founded by Yrjö Väisälä in 1921. Ursa has grown to be one of the largest astronomical societies...

diameter. It was discovered on 24 February 1938, by Finnish astronomer Yrjö Väisälä at Turku Observatory in Southwest Finland, and named after German astronomer...

ISSN 1432-2153. S2CID 251480018. Amos, Jonathan (24 May 2022). "Immense crater hole created in Tonga volcano". BBC. Archived from the original on 24 May...

7 kilometers in diameter. It was discovered by Finnish astronomer Yrjö Väisälä at Turku Observatory in Southwest Finland, on 20 January 1939. The asteroid...

contiguous rainforest in Polynesia. It is dotted with more than 100 volcanic craters and contains most of Samoa's native species of flora and fauna, making...

diameter. It was discovered on 19 January 1939, by Finnish astronomer Yrjö Väisälä at Turku Observatory in Southwest Finland. It was later named after Norwegian...

Nicolas Borrelly) 1551 Argelander (Friedrich Wilhelm Argelander) 1573 Väisälä (Yrjö Väisälä) 1578 Kirkwood (Daniel Kirkwood) 1591 Baize (Paul Baize) 1594 Danjon...

asteroid belt. It was discovered on 9 January 1937, by astronomer Yrjö Väisälä at the Turku Observatory in southwest Finland. The dark X-type asteroid...

diameter. It was discovered on 11 October 1936, by Finnish astronomer Yrjö Väisälä at Turku Observatory in Southwest Finland. It was later named after German...

in diameter. It was discovered on 20 February 1938, by astronomer Yrjö Väisälä at the Iso-Heikkilä Observatory in Turku, Finland. The asteroid was named...

belt. It was discovered on 24 February 1938, by Finnish astronomer Yrjö Väisälä at the Turku Observatory in southwest Finland. The likely elongated V-type...

diameter. It was discovered on 24 February 1938, by Finnish astronomer Yrjö Väisälä at the Turku Observatory in southwest Finland. The likely S-type asteroid...

oceanic waters Bottom water – The lowermost water mass in a water body Brunt–Väisälä frequency – The angular frequency at which a vertically displaced parcel...