Berikut ini contoh soal olimpiade astronomi SMA yang digunakan dalam seleksi olimpiade astronomi siswa SMA tingkat kabupaten/kota tahun 2013. Seleksi olimpiade ini digunakan untuk menyaring siswa-siswa SMA di tingkat kabupaten/kota yang akan maju ke tingkat provinsi sampai nasional pada ajang lomba olimpiade sains nasional (OSN).
Number of leap years between 1 january 10000 BC until 31 December 2100 AD is ….
A. 3020
B. 2934
C. 3178
D. 2873
E. 2980
Venus achieves its half phase at ….
A. superior conjunction
B. inferior conjunction
C. maximum West elongation and maximum East elongation
D. retrograde
E. toward superior conjunction
In December 2012, Voyager 2 Space Craft is at a distance of 15 billion km from the Earth or 100 times distance of Earth and Sun. Which law of Physics that explains why the space craft has travelled that distance?
A. Newton’s law I about motion
B. Newton’s law III about motion
C. Bernouli’s law about fluid mechanics
D. Kepler’s law II about planetary motion
E. Thermodynamics law about the conservation of energy
At the moment of mid penumbral lunar eclipse, phase angle of Moon is about ….
A. 180 degree
B. 90 degree
C. 0 degree
D. 270 degree
E. Any value between 0 to 360 degree
Which part of electromagnetic spectrum radiated by stars that can reach telescopes on the surface of the Earth?
A. Ultraviolet
B. Radio wave
C. Gamma ray
D. X-ray
E. Micro wave
Suppose that Potentially Hazardous Asteroids (PHAs) are uniformly distributed so that its relative collision rates are constant. if all of these asteroids will be vanished due to collision with the Earth within 25 milion years from now, and there are 1364 PHAs known until now (data updated until 30 September 2012), what is the frequency between two collisions?
A. Once in 8.000 years
B. Once in 13.000 years
C. Once in 18.000 years
D. Once in 23.000 years
E. Once in 28.000 years
Terima kasih atas kunjungan Anda dan semoga soal ini bermanfaat sebagai bahan latihan dalam persiapan mengikuti olimpiade sains nasional (OSN). Agar memperoleh hasil maksimal, sebaiknya siswa dan siswa telah dipersiapkan minimal 2 tahun sebelum lomba OSN dilaksanakan. Soal olimpiade astronomi SMA selengkapnya dapat diunduh melalui link di bawah ini.
Soal Olimpiade Astronomi SMA OSN Tingkat Kabupaten/Kota 2013 download
