Mercury is a lecture about the study of this astronomical object.

Analysis of radio tracking data have enabled maps of the gravity field of Mercury to be derived. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington.

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1 Complete the text:

When imaged in X-rays, the surface on Mercury emits X-ray spectral lines from

, aluminum, sulphur, calcium, titanium, and iron like a


2 True or False, The rocky surface of the planet Mercury can be detected when Mercury is observed using superluminal astronomy.


3 Which of the following is not a phenomenon associated with violet astronomy?

photographs of the planet Venus taken in 1927
the purple haze within a few arcseconds of the central star of the Homunculus
the faintness of carbon stars
the stellar abundance of aluminum
adaptive optics
the helium beta line

4 True or False, When Mercury is viewed in the ultraviolet, it has the presence of H and He in an atmosphere.


5 Moldavite is a mineral that may be associated with what radiation astronomy phenomenon?

predicting the end of the Earth
determining the accuracy of local computers
meteorite impacts
demonstrating that Mercury was once a comet
predicting when currently dormant volcanoes will erupt

6 Which types of radiation astronomy directly observe the rocky-object surface of Mercury?

meteor astronomy
cosmic-ray astronomy
neutrals astronomy
neutron astronomy
proton astronomy
beta-particle astronomy
electron astronomy
neutrino astronomy
gamma-ray astronomy
X-ray astronomy
optical astronomy
ultraviolet astronomy
visual astronomy
violet astronomy
blue astronomy
cyan astronomy
green astronomy
yellow astronomy
orange astronomy
red astronomy
infrared astronomy
submillimeter astronomy
radio astronomy
radar astronomy
microwave astronomy
superluminal astronomy

7 The Mesoamerican Long Count calendar is an astronomical document produced to help astronomers for what purpose?

predict the end of the Earth
determine the accuracy of local computers
accurately predict the equinoxes
demonstrate that Mercury was once a comet
predict when currently dormant volcanoes will erupt
demonstrate that the local pyramids were built by aliens

8 Which of the following phenomena are associated with Mercury?

a god of peace
has been occulted by the Sun
often appears reddish
currently dormant volcanoes only on the Sun-facing side
a breathable atmosphere

9 Mercury is not known historically for which of the following?

being in orbit around the Sun in 10,000 b2k
imaged by the MESSENGER probe
a gas dwarf when viewed in the ultraviolet
only slightly smaller than Mars
may have been called Nabu in human memory
having little or no surface water

10 Complete the text:

Match up the object viewed with its image:
Mercury - J
Mars - K
Sun's chromosphere- L
calcite - M
Venus - N
Jupiter's aurora - O
Jupiter - P
Io - Q
Saturn - R
Betelgeuse - S
Mira - T
LAB-1 - U
Messier 101 - V








File:MAVEN Mars aurora 940x400.jpg







  1. Direct hits by large asteroids eliminated oceans on Mercury.

See also