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Multi-temporal Earth Observation and Mars orbital imagery data with frequent repeat coverage provide great capability for planetary surface change detection. When comparing two images taken at differe...
New observations show that the lightcurve of Kuiper belt contact binary (139775) 2001 QG298 has changed substantially since the first observations in 2003. The 2010 lightcurve has a peak-to-peak photo...
We present period change rates (dP/dt) for 42 RR Lyrae variables in the globular cluster IC$\,$4499. Despite clear evidence of these period increases or decreases, the observed period change rates are...
The HH 111 protostellar system consists of two Class I sources (VLA 1 and 2) with putative disks deeply embedded in a flattened envelope at a distance of 400 pc.
Some physicists believe that changes to the Earth’s climate can be explained in large part by variations in the flux of cosmic rays reaching the Earth. These occur as the solar system pass in and out ...
16 January 2007,Such a steep decline in scientists’ ability to study global changes, according to the report, can have extremely serious consequences to human life as well as social and economic life....

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