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Which chemical element has been named after the Sun?

Gold
Helium
Oxygen
Phosphorus
Helium was first discovered in 1868 as the unexpected line in the spectrum of the chromosphere of the Sun - and so it was named after the Greek word Helios (Sun).
Shankar Kumar
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Answers by country

Gold
Helium
Oxygen
Phosphorus
answers
flagAustria
13%
80%
1%
4%
86
flagthe Netherlands
16%
76%
3%
3%
30
flagBelarus
25%
68%
3%
1%
51
flagPoland
24%
64%
2%
7%
14004
flagGermany
23%
64%
1%
9%
473
flagIndia
26%
61%
4%
5%
974
flagthe United Kingdom
19%
60%
2%
14%
315
flagGhana
26%
58%
5%
2%
34
flagRussia
33%
55%
2%
7%
192
flagAustralia
23%
54%
1%
19%
115
flagthe United States
23%
53%
3%
19%
696
flagUkraine
29%
53%
3%
11%
226
flagCanada
28%
53%
2%
15%
78
flagKazakhstan
30%
53%
6%
6%
30
flagSwitzerland
26%
53%
0%
16%
30
flagNigeria
32%
45%
10%
10%
140
flagMalaysia
15%
45%
12%
27%
40
flagSingapore
25%
44%
4%
25%
43
flagPakistan
40%
40%
9%
8%
104
flagthe Philippines
26%
37%
9%
25%
75

The bright circle around the Sun seen in the picture is known as a halo. What causes it?

refraction of light in ice crystals
refraction in the lens of the eye or lens
refraction of light in water drops
reflections from the water surface

What is larger in the sky: the Moon or the Sun? (By apparent size)

the Sun
the Moon
both are identical
sometimes the Moon, sometimes the Sun

In which month is the Earth closest to the Sun?

in January
in March
in June
there is no difference

What is the total area of Vatican City?

0,44 km2 (110 acres)
4,4 km2 (1100 acres)
44 km2 (11,000 acres)
440 km2 (110,000 acres)