Class information for:
Level 1: LITHOPANSPERMIA//BIOTECHNOL PLANETARY PROTECT GRP//PLANETARY PROTECTION

Basic class information

ID Publications Average number
of references
Avg. shr. active
ref. in WoS
17478 534 36.8 56%



Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)



ID, lev.
above
Publications Label for level above
1427 7425 ORIGINS OF LIFE AND EVOLUTION OF BIOSPHERES//ORIGINS OF LIFE AND EVOLUTION OF THE BIOSPHERE//ORIGIN OF LIFE

Terms with highest relevance score



Rank Term Type of term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 LITHOPANSPERMIA Author keyword 48 91% 4% 20
2 BIOTECHNOL PLANETARY PROTECT GRP Address 31 58% 7% 35
3 PLANETARY PROTECTION Author keyword 30 47% 9% 46
4 SPACECRAFT ASSEMBLY FACILITY Author keyword 21 90% 2% 9
5 PANSPERMIA Author keyword 18 36% 7% 40
6 SPACE LIFE SCI Address 7 17% 7% 36
7 BIOMEX Author keyword 6 80% 1% 4
8 SPACE VACUUM Author keyword 6 80% 1% 4
9 MTA SE GRP BIOPHYS Address 5 60% 1% 6
10 INTERNATIONAL JOURNAL OF ASTROBIOLOGY Journal 5 11% 8% 44

Web of Science journal categories

Author Key Words



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
LCSH search Wikipedia search
1 LITHOPANSPERMIA 48 91% 4% 20 Search LITHOPANSPERMIA Search LITHOPANSPERMIA
2 PLANETARY PROTECTION 30 47% 9% 46 Search PLANETARY+PROTECTION Search PLANETARY+PROTECTION
3 SPACECRAFT ASSEMBLY FACILITY 21 90% 2% 9 Search SPACECRAFT+ASSEMBLY+FACILITY Search SPACECRAFT+ASSEMBLY+FACILITY
4 PANSPERMIA 18 36% 7% 40 Search PANSPERMIA Search PANSPERMIA
5 BIOMEX 6 80% 1% 4 Search BIOMEX Search BIOMEX
6 SPACE VACUUM 6 80% 1% 4 Search SPACE+VACUUM Search SPACE+VACUUM
7 MARS SIMULATION 4 67% 1% 4 Search MARS+SIMULATION Search MARS+SIMULATION
8 EXO ASTROBIOLOGY 4 75% 1% 3 Search EXO+ASTROBIOLOGY Search EXO+ASTROBIOLOGY
9 BIOPAN 3 57% 1% 4 Search BIOPAN Search BIOPAN
10 SPACE CONDITIONS 3 57% 1% 4 Search SPACE+CONDITIONS Search SPACE+CONDITIONS

Key Words Plus



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 PLANETARY PROTECTION 38 86% 4% 19
2 LITHOPANSPERMIA 26 87% 2% 13
3 SPACECRAFT ASSEMBLY FACILITY 19 61% 4% 20
4 EXTREME DRYNESS 15 82% 2% 9
5 PANSPERMIA 15 56% 3% 18
6 MARTIAN METEORITE DELIVERY 11 78% 1% 7
7 HUMAN SPACEFLIGHT 10 61% 2% 11
8 SPACECRAFT SURFACES 10 52% 2% 13
9 VIABLE MICROBES 9 83% 1% 5
10 CLEAN ROOMS 9 59% 2% 10

Journals



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 INTERNATIONAL JOURNAL OF ASTROBIOLOGY 5 11% 8% 44

Reviews



Title Publ. year Cit. Active references % act. ref.
to same field
Space Microbiology 2010 83 171 31%
Ancient micronauts: interplanetary transport of microbes by cosmic impacts 2009 27 63 54%
The solar UV environment and bacterial spore UV resistance: considerations for Earth-to-Mars transport by natural processes and human spaceflight 2005 77 69 41%
Experimental methods for studying microbial survival in extraterrestrial environments 2010 12 68 69%
Microbial Existence in Controlled Habitats and Their Resistance to Space Conditions 2014 1 37 73%
Panspermia, Past and Present: Astrophysical and Biophysical Conditions for the Dissemination of Life in Space 2010 9 34 47%
The limits for life under multiple extremes 2013 16 66 12%
RADIOBIOLOGICAL EXPERIMENTS IN SPACE - A REVIEW 1992 53 9 33%
Microbial diversity and its relationship to planetary protection 2005 27 54 31%
The origin of life, panspermia and a proposal to seed the Universe 2008 3 39 41%

Address terms



Rank Address term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 BIOTECHNOL PLANETARY PROTECT GRP 31 58% 6.6% 35
2 SPACE LIFE SCI 7 17% 6.7% 36
3 MTA SE GRP BIOPHYS 5 60% 1.1% 6
4 BUCKINGHAM ASTROBIOL 5 55% 1.1% 6
5 GRP ASTROBIOL 4 47% 1.3% 7
6 EXOBIOL 4 56% 0.9% 5
7 RADIAT BIOL SECT 3 33% 1.3% 7
8 ERNST MACH KURZZEITDYNAM 2 67% 0.4% 2
9 CARDIFF ASTROBIOL 2 25% 1.3% 7
10 ARCHAEA 2 13% 2.1% 11

Related classes at same level (level 1)



Rank Relatedness score Related classes
1 0.0000190296 ASYMMETRIC PHOTOLYSIS//INVEST MEDIO AMBIENTE CENIMA//PAMPAS DE LA JOYA
2 0.0000137218 PL MATH ASTRON//HIERARCHICAL TEMPORAL MEMORY HTM//PL MATH ASTRON BIOCHEM
3 0.0000117246 CALORIMETRIC GAS SENSOR//HOMELAND SECUR//STERILISATION PROCESS
4 0.0000109017 GENETIC INSTRUCTIONS//THERMOSYNTHESIS//EXCLUSION ZONE EZ
5 0.0000102975 DEINOCOCCUS RADIODURANS//DEINOCOCCUS//DEINOCOCCACEAE
6 0.0000096395 SPACE TOURISM//INT AIR SPACE LAW//SPACE LAW
7 0.0000090213 SETI//EXTRATERRESTRIAL INTELLIGENCE//FERMI PARADOX
8 0.0000088710 BIOSPHERE 2//SOIL LIKE SUBSTRATE//ENVIRONM BIOL LIFE SUPPORT TECHNOL
9 0.0000086489 EXTRASOLAR TERRESTRIAL PLANETS//PLANETARY CLIMATE//HABITABLE ZONE
10 0.0000083971 MARS SURFACE//MARS//JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS