Temperature Logger Code

long time;
void setup() {
  Serial.begin(9600);  //This sets up the serial port so that the temperature can be read.
}

void loop() {
  time = millis();
  Serial.print(time/1000);    //prints time since program started
  Serial.print(" , ");
  int sensorVal = analogRead(0);  //Stores the value being read by the center pin.
  int val=analogRead(0);//Connect LM35 on Analog 0     
  float temperature=(500 * val) /1024;
  Serial.print(temperature);  //Prints the temperature.
  Serial.println();

  delay(1000);             // wait a second so as not to send massive amounts of data
}