Test about the SETI program

In what year was the article "Searching for interstellar communications" published in the journal Nature, with which the SETI program began?

1949

1959

1969

The main field of SETI's activity is:

search for radio signals of extraterrestrial civilizations

search for traces of aliens on Earth

search for biomarkers on other planets of the solar system

The contradiction between the fact that there must be some kind of life in the Universe except the terrestrials, and the fact that for some reason we do not see it, is called:

Sagan paradox

Shklovsky paradox

Fermi paradox

What does the Drake equation cover?

the number of planets in the Universe on which there is life

the number of UFOs arriving on Earth every year

the number of alien civilizations in the Galaxy that can come into contact with us

What wavelength is considered the most suitable for interstellar communications?

1 m

21 cm

780 mm

Initiated in 1960 by Frank Drake, the Ozma experiment was aimed at finding signals that could come from two stars:

Sirius and Procyon

Polar and Acrux

Tau Ceti and Epsilon Eridani

In what year was the "Wow!" signal registered?

1972

1977

1987

What is SETI@home?

the program of distributed signal processing from radio telescopes

an email to which you can drop messages about UFOs

biomarker tracking system on other planets of the solar system