Oracle Database Discussions

I dropped a table named contacts,but still it exists when i type "select * from tab"

SQL> drop table contacts;

Table dropped.

SQL> commit;

Commit complete.

SQL> drop table contacts;
drop table contacts
           *
ERROR at line 1:
ORA-00942: table or view does not exist

SQL> select * from tab;

TNAME                          TABTYPE  CLUSTERID
------------------------------ ------- ----------
IMDB_TOP_250                   TABLE
BIN$F6bMvnw8TJKPvSnuh1APtg==$0 TABLE
BIN$zmR6g5IHTFmwn0V9Ura2Rw==$0 TABLE
BIN$zCxH4k4qSy65ccSfghjAqg==$0 TABLE
TEST                           TABLE
BIN$VPLTXcUvTymZfz/fp0X/WA==$0 TABLE
BIN$m+y9ZlWbQHeNlCorBWy2fQ==$0 TABLE
TEST1                          TABLE
contacts                       TABLE

Why i can still see contacts table in my schema?