ASTR 1102 EXAM 1 COMPLETE QUESTION SET
WITH VERIFIED ANSWERS
◉ Cosmic Rays.
Answer: highly energetic particles that create a "shower" of
secondary particles when reaching the Earth's atmosphere
◉ Order of EM Spectrum (waves).
Answer: Radio, Microwave, Infrared, Visible, UV, X-ray, Gamma
◉ Which has a shorter wavelength: Radio or Gamma rays?.
Answer: Gamma Rays
◉ What are gravitational waves produce by?.
Answer: Massive objects like black holes; hard to detect and recently
discovered by LIGO
◉ Occam's Razor.
Answer: Scientists prefer simplest model/theory that explains a
phenomenon
◉ Order of Scientific Method.
,Answer: Observation, Hypothesis, Prediction, Test, Repeat
◉ Quarks.
Answer: elementary particles that build up matter; NOT found in
insolation
◉ Nucleons.
Answer: protons, neutrons; make up atomic nuclei
◉ Atoms.
Answer: nucleons + electrons; basic building blocks; most are
synthesized in massive stars
◉ From the following particles, which one is the smallest one found
in isolation? Electron, atom, quark, proton?.
Answer: Electron
◉ How were planets formed?.
Answer: rocky or gaseous spheres of matter formed by gravitational
contraction around stars
◉ Anthropic Principle.
, Answer: A living consciousness to study and interpret its laws is a
necessary condition for the Universe to exist
◉ What are atomic nuclei made up of?.
Answer: Protons and Neutrons
◉ Which constellation can be used to locate both the stars
Aldebaran and Sirius?.
Answer: Orion
◉ If you think of light as an electromagnetic wave, what is actually
doing the waving?.
Answer: A magnetic and an electric field
◉ Supernova.
Answer: event where a massive star ends its life with a big, dramatic
explosion; synthesize more
◉ Massive stars synthesize up to....
Answer: Iron (Fe)
◉ True or False: Sirius and Aldebaran are bigger stars than the Sun..
Answer: True
WITH VERIFIED ANSWERS
◉ Cosmic Rays.
Answer: highly energetic particles that create a "shower" of
secondary particles when reaching the Earth's atmosphere
◉ Order of EM Spectrum (waves).
Answer: Radio, Microwave, Infrared, Visible, UV, X-ray, Gamma
◉ Which has a shorter wavelength: Radio or Gamma rays?.
Answer: Gamma Rays
◉ What are gravitational waves produce by?.
Answer: Massive objects like black holes; hard to detect and recently
discovered by LIGO
◉ Occam's Razor.
Answer: Scientists prefer simplest model/theory that explains a
phenomenon
◉ Order of Scientific Method.
,Answer: Observation, Hypothesis, Prediction, Test, Repeat
◉ Quarks.
Answer: elementary particles that build up matter; NOT found in
insolation
◉ Nucleons.
Answer: protons, neutrons; make up atomic nuclei
◉ Atoms.
Answer: nucleons + electrons; basic building blocks; most are
synthesized in massive stars
◉ From the following particles, which one is the smallest one found
in isolation? Electron, atom, quark, proton?.
Answer: Electron
◉ How were planets formed?.
Answer: rocky or gaseous spheres of matter formed by gravitational
contraction around stars
◉ Anthropic Principle.
, Answer: A living consciousness to study and interpret its laws is a
necessary condition for the Universe to exist
◉ What are atomic nuclei made up of?.
Answer: Protons and Neutrons
◉ Which constellation can be used to locate both the stars
Aldebaran and Sirius?.
Answer: Orion
◉ If you think of light as an electromagnetic wave, what is actually
doing the waving?.
Answer: A magnetic and an electric field
◉ Supernova.
Answer: event where a massive star ends its life with a big, dramatic
explosion; synthesize more
◉ Massive stars synthesize up to....
Answer: Iron (Fe)
◉ True or False: Sirius and Aldebaran are bigger stars than the Sun..
Answer: True
